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Join Innovacera at Ceramitec 2026-Your Partner for Technical Ceramic Solutions

About Ceramitec 2026 :

Ceramitec is the world’s leading trade fair for the ceramic industry, where innovation meets industry expertise. This year, Innovacera will show its advanced ceramic materials and components at the event, our capabilities in precision engineering and reliable performance for all world’s clients.

Ceramitec is the premier international exhibition for ceramics, covering the entire value chain from raw materials and production technologies to applications and services. It brings together experts, manufacturers, and buyers from around the global.

Event Details :

Dates: March 24-26, 2026 ·
Venue: Messe München, Germany
Booth: A6.246

Our place in the exhibition floor plan is as below:

Innovacera’s Product Overview :

Visit us at Booth A6.246, where we will present our product and poster, our team will be available for technical discussions and to explore how our solutions can meet your specific needs.

Here are some of our products for your reference:

– Alumina Ceramics and Silicon Nitride Ceramic Material – Widely used for mechanical components and semiconductor industry.

– Aluminum Nitride Precision Parts – Excellent thermal conductivity and electrical insulation.

– Ceramic-to-Metal Sealing Components – High hermeticity for demanding environments such as high voltage and highly corrosive environments.

– Metallized Ceramics – Widely used for ceramic feedthrough insulators, high-power receptacles, vacuum interrupters and X-ray ceramic tubes and so on.

– Ceramic Packages and Ceramic Substrates – Reliable solutions for electronic packaging.

– Ceramic Igniters, Ceramic Heating Elements – Widely used for pellet burners, smart home sanitary, hair dressers and household small appliances.

– Porous Ceramics, TO ceramic thermal pads Heat Sinks, Grinding Media, Mill Jars and High-Temperature Products etc. – Versatile components for various industries.

About Innovacera :

Innovacera established in 2012, specializes in the R&D, manufacturing, and sales of advanced technical ceramic components. We has three factories , covering over 5,000 square meters, factories are certified to ISO9001:2015 and IATF16949:2016, products are compliant with ROHS and REACH standards.

With mission “ Winning with our customers and employees ” and vision “ To be the most reliable supplier of advanced materials components” , we serve clients in semiconductors, optoelectronics, life sciences and electronics. Innovacera has multiple patents and collaborates with global Fortune 500 companies, universities, and research institutes, serving over 1,000 long-term customers worldwide.

Contact Us :

We look forward to meeting you at Ceramitec 2026, Booth A6.246!
Tel: +86 592 558 9730
Email: sales@innovacera.com
Website: www.innovacera.com

Ceramic-to-Metal Sealing Components: Sealing Technology for Extreme Conditions in Oilfield Equipment

As global oil and gas resource development continuously advances into deep, ultra-deep wells and complex geological environments, oilfield equipment is facing severe challenges of higher temperatures, higher pressures, and highly corrosive media. In this context, the reliability of key components has become an important foundation for ensuring the safe and stable operation of oil and gas exploration and production, and ceramic-metal welded parts provide reliable support.

1. What are ceramic-to-metal sealing components?

Ceramic-to-metal sealing components are functional structural parts that achieve metallurgical bonding between engineering ceramics and metal materials through the vacuum brazing process. This type of component possesses multiple functions such as electrical insulation, gas-tight sealing and mechanical bearing within the same structure. It is an important component of the electronic packaging and sealing systems in petroleum equipment.

Compared with traditional mechanical seals or adhesive methods, ceramic-metal welded components exhibit higher structural stability and operational reliability in high-temperature, high-pressure and highly corrosive environments.

2. Coordinated the selection design of ceramic and metal materials

In the application of the petroleum industry, ceramic-metal welded components are not merely a simple combination of materials, but are systematically designed based on the requirements of the working conditions.

Common ceramic materials include high-purity alumina (Al2O3) and silicon nitride (Si3N4). Among them, alumina ceramics possess excellent electrical insulation properties and airtightness, and are the most widely used materials in underground electrical connections and sensor packaging; silicon nitride ceramics have gradually been applied in high-end downhole tools and high-temperature structural components due to their high strength and excellent thermal stability.

The metal materials used in conjunction with ceramics are usually Kovar alloy, stainless steel or nickel-based high-temperature alloys. These metals not only possess excellent mechanical strength and pressure resistance, but also have a thermal expansion coefficient that can be matched with that of ceramic materials. This enables the effective reduction of internal stress at the welding interface under high temperatures and thermal cycles, thereby enhancing the long-term reliability of the overall structure.

3. The reliable sealing performance brought about by the vacuum brazing process
In terms of the connection process, the vacuum brazing technique is commonly used to achieve metallurgical bonding between ceramics and metals. This process achieves the metalization of the ceramic surface and the formation of a continuous and dense welding interface between the metal substrate and the metalized layer by introducing a specific solder in a high vacuum environment.

Compared with mechanical crimping or adhesive bonding methods, the welds formed by vacuum brazing have higher gas tightness and high-temperature resistance. They can remain stable in high-temperature, high-pressure and highly corrosive environments for a long time, and are less likely to leak or suffer structural failure. They are particularly suitable for applications in the petroleum industry where safety and reliability are of the utmost importance.

Relying on a mature ceramic material system and welding technology capabilities, Innovacera can provide customized services for ceramic-metal welded components using various ceramic materials. Meet the application needs of different industries for highly reliable sealing and packaging components under complex working conditions, providing reliable support for the safe and stable operation of high-end equipment in high-temperature, high-pressure and harsh environments. Please feel free to contact us at sale@innovacera.com.

High-Temperature h-BN Chambers Drive Efficiency Upgrade of Hall Effect Thrusters

In today’s era of rapid development in deep space exploration and satellite technology, efficient and reliable propulsion systems are the key to extending the lifespan of spacecraft and expanding the boundaries of missions. The Hall Effect Thruster (HET), as an advanced electric propulsion technology, has become the mainstay of modern satellite orbit maintenance and deep space missions due to its advantages of high specific impulse and long service life. However, its core component – the plasma chamber – has long been subjected to severe challenges such as high temperatures, high-energy ion sputtering, and strong electric fields, which directly limit the performance and reliability of the propulsion system.

In this context, Innovacera has officially launched a hexagonal boron nitride (h-BN) plasma chamber component specifically designed for high-performance Hall effect thrusters. This component is made of advanced ceramic materials and employs precise manufacturing techniques, aiming to significantly enhance the operational efficiency, stability and service life of the thruster in extreme environments.

Breaking Through Material Limits: Why Choose Hexagonal Boron Nitride (h-BN)
The plasma chamber is the “heart” of the Hall thruster. It not only needs to confine and stabilize the plasma discharge and guide the ion flow to be ejected efficiently, but also must directly withstand the high-temperature heat load and high-speed ion bombardment from the plasma. Traditional materials can affect mission safety during long-term operation due to erosion, thermal stress, or degradation of electrical performance.

Hexagonal boron nitride (h-BN), a high-performance ceramic with a layered structure similar to that of graphite, possesses extremely high thermal stability, electrical insulation properties, and chemical corrosion resistance. It can bring revolutionary material advantages to Hall thrusters:

•High Temperature Resistance: Capable of enduring working conditions exceeding 1000℃ for an extended period, preventing structural failure due to uneven thermal expansion.

•Electrical insulation: Effectively prevents high-voltage breakdown and abnormal discharge, ensuring the stability of the acceleration electric field and the accuracy of thrust control.

•Resistance to ion erosion: Its surface is smooth and highly chemically inert, which can significantly delay the wear of the chamber wall and thus becomes a key factor in extending the lifespan of the propeller.

•Low secondary electron emission: This helps to reduce plasma disturbances and ensures stable and reliable thrust output.

Advantages of Innovative Design and Integration

The plasma chamber component of Innovacera is centered on high-purity h-BN material and is formed through advanced sintering technology and precise mechanical processing.

The product has the following features:

•Fine polishing of the inner surface of the chamber: Ensures uniform and smooth plasma flow, optimizing the efficiency of the thruster.

•Modular and customized design: The interface has been optimized, with strong compatibility. It can provide flexible sizes and complex geometries for quick customization based on the specific model and mission requirements of the customer’s thruster.

•Complete component solution: Offers pre-assembled high-integration cavity components that are ready for immediate use, simplifying the assembly process for customers and enhancing system reliability.

Empowering the next-generation propulsion system

The h-BN plasma chamber component launched this time is not only an upgrade in materials but also a comprehensive engineering innovation aimed at addressing the deep-seated needs of the electric propulsion system. This component effectively enhances the tolerance of the core components of the Hall effect thruster to extreme environments, meeting the strict requirements for high-performance and long-life thrusters. It can be widely applied to advanced space missions such as geosynchronous orbit satellites, large low-orbit constellations, and deep-space probes.

As a supplier of high-performance advanced material solutions, Innovacera has been dedicated to overcoming the challenges of high-end manufacturing through cutting-edge material science breakthroughs. The company’s products cover semiconductor, aerospace, medical equipment, and new energy fields, providing customized high-performance material support for industry customers. For more information about Innovacera products, please contact sales@innovacera.com.

CLCC/CQFN: High-Reliability Ceramic Packages Driving High-End Electronics

Today, with 5G communication base station power amplifiers facing heat dissipation bottlenecks, new energy vehicle electric drive control units needing to operate stably in high-temperature environments (up to 150℃ or higher), and satellite payload electronic equipment having to endure extreme temperature cycles, traditional plastic packaging technology is encountering unprecedented performance challenges. It is precisely against this backdrop that CLCC (Ceramic Leadless Chip Carrier) / CQFN (Ceramic Quad Flat No-leads) Ceramic Quad No-Lead Packages, with their outstanding heat dissipation capabilities, excellent high-frequency characteristics are becoming the preferred solution for high-end electronic system design.

Technical Definitions and Core Characteristics

CLCC and CQFN both belong to the four-sided leadless surface mount packaging manufactured on a high thermal conductivity ceramic substrate. Both are assembled using metallized solder terminals arranged on all four sides. However, their structural designs have different focuses, tailored to suit different application scenarios.

CLCC is a standardized ceramic chip carrier with a cavity. Its structure is primarily designed to provide a reliable and sealed protective environment for the internal chips, suitable for IC packaging with extremely high requirements for long-term stability. The chips can be interconnected through upward gold wire bonding in the cavity or through flip-chip bonding in the cavity.

The CQFN is a type of package that, without using lead wires, integrates a key feature: a large-area bare heat dissipation pad at the bottom. This design is aimed at establishing an efficient heat path for chips (especially power devices), enabling them to maintain the advantages of four-sided mounting while significantly outperforming the standard CLCC in terms of heat dissipation performance.

Compared with traditional plastic packaging, this type of packaging has the following characteristics:

●High-reliability ceramic material: Using aluminium oxide (Al2O3) or aluminium nitride (AlN), they are resistant to high temperatures, corrosion and aging, and remain stable in extreme environments for a long time.

●Four-sided leadless design: The pads are distributed on the bottom or around, supporting SMT (Surface Mount Technology), high-density PCB layout, and occupying a small space.

●Excellent electrical performance and heat dissipation: Ceramic materials are naturally insulating and have high thermal conductivity, which effectively dissipates heat and ensures the stable operation of high-frequency and high-power devices.

●Precision fabrication process: Powder forming, precise sintering, surface metallization, uniform size, flat pads, suitable for high-precision surface mount and welding.

●High dependability: The metallized solder joints are closely bonded to the ceramic substrate, and can operate stably for a long time in high-temperature, high-humidity and vibration environments.

●Various lead structures: Support dual-side and quad-side packaging.

●Multiple lead pitch options: Available in 2.7 mm, 1.00 mm, and 0.50 mm, meeting diverse design requirements.

Application scenarios:

CLCC/CQFN ceramic packaging is an ideal carrier for high-end integrated circuits suitable for surface mount technology (SMT). It is specifically designed for packaging chips that have strict requirements for performance and stability, such as:

(1) Various very-large-scale integrated circuits (VLSI)

(2) Special Application Integrated Circuit (ASIC)

(3) High-speed emitter-coupled logic (ECL) circuits

Due to its outstanding technical capabilities, CLCC/CQFN has become a key solution in numerous high-end electronic systems.

Typical applications include:

5G Communication Infrastructure: For base station power amplifiers (such as GaN/LDMOS devices), to meet the stringent heat dissipation requirements under high-frequency, high-speed operation.

New energy vehicle electric drive system: Used for the motor control unit (MCU) and power module, it ensures the system can operate stably for a long time under high power and high-temperature conditions.

Aerospace and Satellite Payloads: Carrying the core processing and signal chain circuits, ensuring that the equipment can withstand extreme temperature cycles, vacuum environments and high-intensity vibrations.

In short, the CLCC/CQFN ceramic quad flat no-leads package combines the high reliability of ceramics with the convenience of modern surface mount packaging, making it an ideal choice for high-end electronic system design.

In addition to the ceramic quad no-leads package (CLCC/CQFN), Innovacera also offers a wide range of ceramic packaging options, including:

Laser SMD Ceramic Shell

Surface-Mount Ceramic Power Package

Optical Communication Device Enclosures(ROSA/TOSA)

Ceramic Dual In-Line Package (DIP) Enclosure

Ceramic Small Outline Package

These products can meet the requirements of various application scenarios and provide customers with comprehensive and highly reliable solutions. Innovacera has now officially launched several ceramic packaging enclosure. Please feel free to contact us to obtain technical materials, samples, or customized solutions. Let’s jointly explore more possibilities in the design of high-end electronic systems.

What is magnesium-zirconium flow liquid hole cover plate brick?

The magnesium-zirconium flow liquid hole cover plate brick is made by magnesium-zirconium refractory material and is a key Block used to cover and protect the flow liquid hole of the glass kiln.

Main parameter:

·High temperature: used for a long time at temperatures above 1500 °C

·Chemical erosion: Subjected to continuous and high-speed erosion and penetration by the highly alkaline molten glass liquid.

Temperature fluctuation: Under conditions of kiln cooling, heating, or unstable working conditions, it will endure thermal shock.

·Mechanical stress: Experiencing pressure from the upper kiln structure and the flow stress of the glass liquid.

·Gas phase erosion: The alkali vapor (R₂O) in the kiln atmosphere will condense and erode the bricks.

Magnesium-zirconium bricks, due to their unique properties, have become the preferred or essential materials for modern high-performance glass kilns, especially for non-alkaline glass, electronic glass, and high-alkaline bottle and canning glass kilns.

Their main advantages are:

Extremely high resistance to erosion:

·Excellent resistance to penetration: The zirconium oxide in the material and the special microstructure can greatly prevent the glass liquid from penetrating into the brick body through pores and cracks, thereby reducing the depth and speed of erosion and increase of service life.

·Good thermal shock stability: Compared to electrically fused AZS bricks, high-quality sintered magnesium-zirconium bricks have better thermal shock resistance and can better adapt to the temperature changes of the kiln.

·Reduction of glass defects: Due to excellent resistance to erosion and penetration, the particles eroded off are very few, and stones, stripes, and other defects are not easily produced. They are particularly suitable for the production of high-quality glass.

·Adaptability to non-alkaline glass: For highly erosive non-alkaline glass (such as E glass), magnesium-zirconium materials are one of the few refractory materials that can resist its erosion for a long time.

Item	Testing condition	AZS41#	Fused cast 95 high zirconia	ZA80
Bubble precipitation	1300℃×10h Common soda lime glass	1.2	26.5	0
Linear Expansion	1200℃	0.81	0.96	0.73
Thermal Shock Resistance	1100℃ Water Cooling > 30	＞3	＞1	＞3
Bulk density	/	4.1	5.3	5
Apparent porosity	/	0.7	2	6
Erosion Rate at ½ Below Dynamic Liquid Level	1600℃ for 48h, 6r/min	0.15	0.09	0.01

Zirconia Ceramic Parts For High-temperature melt flow control in Iron and steel smelting

High-temperature zirconia materials, due to their comprehensive “thermal shock resistance,” “corrosion resistance,” “high-temperature strength” and “erosion resistance,” have become key materials for ensuring the safe, efficient, and continuous operation of modern steel continuous casting processes. In particular, their application in core components such as continuous casting nozzles, which control the flow of high-temperature melt, brings benefits such as improved production stability, reduced accident rates, and improved product quality.

Below are some product examples:

1.Sizing Nozzle: A sizing nozzle is a high-temperature structural ceramic functional device installed at the bottom of the continuous casting tundish. Its main function is to maintain a relatively constant static pressure of molten steel in the tundish. Molten steel flows into the crystallizer via the sizing nozzle. The crystallizer uses high-flow-rate water cooling to remove the heat released during solidification, causing the molten steel to solidify into a billet. Since the heat removed by the crystallizer’s water cooling is limited, the amount of molten steel flowing into the crystallizer per unit time must be within a certain range. The larger the orifice diameter of the sizing nozzle, the greater the amount of molten steel flowing into the crystallizer per unit time. Selecting a suitable orifice diameter to make the tundish nozzle is called a sizing nozzle; it can also be used for flow control of other molten metal solutions.

2. The ladle slide plate inlaid with zirconia plates and rings uses a high-temperature adhesive to embed them in the central working area and casting hole of the slide plate. Utilizing the excellent corrosion resistance and erosion resistance of zirconia ceramics, its slow expansion rate increases the surface strength of the slide plate, extends its service life, and reduces costs. It can effectively meet the continuous casting requirements of high-oxygen steel, high-calcium steel, high-manganese steel, and other specialty steels.

3. Converter Slag-Blocking Slide Plate Inlay – Zirconia Plate, Zirconia Ring

Using method: Zirconia rings are inlaid in the upper slide plate, and zirconia plates are inlaid in the lower slide plate.

Advantages:

1) Reduces the amount of slag entering the ladle from the converter;

2) Increases the yield of specialty steels and reduces phosphorus reversion in molten steel;

3) Increases alloy yield, saves on the input of deoxidizers and top slag modifiers, reduces the use of converter auxiliary materials, and saves production costs;

4) Reduces inclusions in molten steel and improves steel purity.

AlN Ceramic Substrates: The Key to Stable, High-Speed Optical Modules

With the continuous upgrading of data centers, AI computing power, and high-speed communication networks, optical modules are rapidly evolving towards higher bandwidth, higher integration, and smaller package sizes. From 100G, 400G to 800G and even 1.6T optical modules, the power density within a unit volume has been continuously rising. The heat generated by lasers and modulators has become a critical limiting factor affecting system performance.

Inside the optical module, the laser diode (LD) chip, high-power modulators (such as EML), and related driver circuits are extremely sensitive to operating temperature. Once the heat dissipation capacity is insufficient, it may cause wavelength drift, output power attenuation, and increase the aging speed of the device, thereby affecting the long-term reliability of the optical module and the stability of network operation.

Core solution: High-performance aluminum nitride ceramic heat dissipation substrate
Aluminum nitride (AlN) ceramics have a typical thermal conductivity of 170–230 W/m·K. During the operation of lasers and high-power modulators, they can effectively transfer the heat generated by the chips from the source to the downstream heat sinks or module housings. This highly efficient heat conduction ability is conducive to:

·Reduce the junction temperature of the chip

·Improve the output stability of the laser device

·Helps devices achieve more reliable long-term operation under high-power conditions

Precise thermal expansion matching, constructing a highly reliable packaging structure
Apart from thermal conductivity, the thermal expansion matching between materials is also a key factor determining the reliability of optical modules. The thermal expansion coefficient (CTE) of aluminum nitride ceramics is closely matched to that of mainstream optical chip materials such as GaAs, InP, and Si. Under conditions of rapid temperature changes or long-term cycling, it can significantly reduce interface thermal stress.

This means:

·Reduce the risks of weld layer cracking and interface separation

·Improve the stability of the packaging structure under extreme conditions

·Meet the stringent requirements for long-term reliability of telecommunications-grade optical modules

Comprehensive performance, creating the ideal substrate for chip manufacturing
As the core substrate material in the packaging of optical modules, aluminum nitride ceramics not only possess excellent heat conductivity, but also have the following characteristics:

·Excellent electrical insulation properties help ensure reliable high-speed signal transmission.

·Higher mechanical strength, suitable for precise assembly and long-term service

·Excellent chemical stability and aging resistance, suitable for harsh application environments

These comprehensive properties make aluminum nitride ceramics an ideal “foundation” for high-value optical chips. In the actual packaging of optical modules, aluminum nitride ceramic substrates are mainly used for heat dissipation and support of laser diode chips (LD) and high-power modulators (such as EML). Depending on different application roles and packaging design requirements, they can be adapted in size and metallization, and are compatible with common welding and assembly processes, thereby enabling the stable operation of optical modules under high power density conditions.

In the context of the continuous advancement of high-speed optical modules towards higher power and smaller size, thermal management and packaging reliability have become unavoidable core issues. High-performance aluminum nitride ceramic heat dissipation substrates are now crucial materials for high-end optical modules, thanks to their outstanding thermal conductivity, excellent thermal matching properties, and long-term stability. Innovacera is dedicated to providing stable, reliable, and customizable aluminum nitride ceramic substrate solutions for the optical communication industry, helping customers develop future-oriented high-speed optical module products.

Advantages of Boron Nitride Crucibles in High-Temperature and High-Purity Applications

Hexagonal boron nitride is an excellent self-lubricating ceramic capable of withstanding extremely high temperatures while maintaining its lubricating properties, even in high-vacuum environments. Boron nitride (BN) crucibles are typically manufactured from hot-pressed boron nitride blanks, ensuring high density and structural integrity. Mechanically, hexagonal boron nitride behaves similarly to graphite, but it offers the additional advantage of outstanding electrical insulation.

Compared with graphite crucibles, BN crucibles exhibit significantly lower risk of carbon contamination and demonstrate greater chemical inertness in many high-temperature processes. In comparison with alumina crucibles, BN crucibles show lower wettability to molten metals, making them especially suitable for applications that demand high purity and minimal interaction between the melt and the container. While different crucible materials are optimized for different process conditions, the appropriate selection should always be based on specific operational requirements.

BN crucibles are well known for their ability to withstand high temperatures under high-vacuum conditions. In addition, they offer excellent corrosion resistance, thermal stability, and electrical insulation. These properties make boron nitride crucibles an ideal solution for a wide range of advanced industrial and research applications, including:

Crucibles for crystal growth

Laboratory-scale high-temperature synthesis and crystal growth

Semiconductor manufacturing and high-purity metal processing

Vacuum or inert-atmosphere melting of metals and specialty alloys

Sintering and melting of alloys, ceramics, rare earth materials, and other advanced materials

With the continuous advancement of high-temperature processing and high-purity material preparation technologies, the application potential of boron nitride crucibles is steadily expanding. Their role in advanced ceramics, semiconductor fabrication, and emerging functional materials is becoming increasingly significant. Looking ahead, BN crucibles are expected to see broader adoption in more demanding environments involving complex operating conditions and even stricter purity requirements.

Ceramic substrate: The core base material of high-performance ceramic PCB

Currently, electronic products are evolving rapidly towards high power, high integration, and high reliability. The limitations of traditional organic substrates in terms of heat dissipation bottlenecks, high-temperature tolerance and long-term stability are becoming increasingly prominent, and have become a key challenge for industrial upgrading.

In this context, high-performance ceramic substrates, as the core material of ceramic printed circuit boards (ceramic PCB), have become a strategic choice to overcome these bottlenecks and advance power electronics, RF communication, and advanced packaging.

Innovacera, as a manufacturer specializing in advanced ceramic materials, has always been committed to research and development as well as the precise manufacturing of high-performance ceramic substrates. We provide stable, reliable materials and comprehensive support for ceramic PCBs and other high-reliability electronic applications.

Why Ceramic Substrates Are Key to Ceramic PCBs

The overall performance of ceramic PCBs largely depends on the substrate material they use. Compared to traditional organic substrates such as FR-4(Glass Reinforced Epoxy, G10/FR-4), ceramic substrates have significant advantages in several key performance aspects.

1. Excellent heat dissipation capability

Ceramic materials, particularly alumina (Al2O3) and aluminum nitride (AlN), have excellent thermal conductivity, efficiently dissipating heat during operation, reducing junction temperatures, and improving system stability. This characteristic makes it particularly important in power devices and high-power modules.

2. Stable and reliable electrical performance

The ceramic substrate possesses excellent insulation properties and dielectric stability, and can still operate reliably under high voltage and high-frequency conditions. It is an important foundation for the application of ceramic PCBs in the fields of power electronics and radio frequency.

3. Excellent high-temperature resistance and aging resistance properties

Ceramic materials can operate stably at high temperatures for a long time without aging or deforming. They are suitable for use in highly reliable automotive electronics, industrial control, and new energy systems.

4. Excellent dimensional stability

The ceramic substrate offers low thermal expansion and structural stability, meeting the demands of high-precision circuits and high-reliability packaging. It serves as an ideal substrate material for high-end ceramic PCBs.

The crucial role of ceramic substrates in ceramic PCBs

From a structural perspective, ceramic PCBs are essentially circuit systems constructed with ceramic substrates as the core carrier.

The performance of the substrate directly determines the heat dissipation capacity, electrical performance and service life of the entire circuit board.

At present, ceramic substrates have been widely applied in the following ceramic PCBs and related structures:

·DBC (Direct Bonded Copper) substrate
·AMB (Active Metal Brazing) substrate
·thick film / thin film ceramic circuit
·high power LED module
·IGBT and power module packaging

It can be said that high-performance ceramic substrates are the key foundation for achieving highly reliable ceramic PCBs.

Innovacera Ceramic Substrate Solution

With proven materials and stable manufacturing processes, Innovacera offers a wide range of high-performance ceramic substrates for diverse applications.

■ Alumina (Al2O3) ceramic substrate

Stable performance, high cost-effectiveness, widely used in electronic packaging, LED modules, and general power devices.

■ Aluminum nitride (AlN) ceramic substrate

It has excellent heat-conducting properties and is suitable for high-power density applications, such as power modules, communication equipment and new energy systems.

■ Silicon nitride (Si3N4) ceramic substrate

It combines high strength and high reliability, and is suitable for application environments with high requirements for mechanical properties and thermal shock.

■ ZTA (zirconia-reinforced alumina) ceramic substrate

While maintaining the excellent insulation properties of alumina, the introduction of zirconia phase significantly enhances fracture toughness and impact resistance, suitable for electronic and industrial applications that demand high mechanical toughness, wear resistance, and structural reliability.

Meanwhile, Innovacera can provide customized ceramic substrates of various sizes, thicknesses and surface treatment methods according to customer requirements, providing a reliable foundation for the subsequent ceramic PCB manufacturing and packaging processes.

A reliable choice for high-end electronic applications

With the rapid development of new energy, 5G communication, power semiconductors and high-end equipment manufacturing, the market demand for high-performance ceramic substrates continues to increase.

As the core material of ceramic PCBs, ceramic substrates play an increasingly important role.

Backed by proven material systems, mature manufacturing processes, and extensive application experience, Innovacera delivers high-quality ceramic substrate solutions to support the reliability and performance of next-generation electronics.

Beyond Light Blocking: Anti-Static Advantages of Black Alumina Ceramics in Optoelectronic Packaging

As optical communication, LiDAR, and high-precision optoelectronic detection systems evolve toward higher power and greater integration density, they place higher demands on the performance of optoelectronic packaging materials. The increase in device power brings challenges in heat dissipation and high-temperature stability, while the improvement in integration density raises the risks of internal stray light interference and electrostatic discharge (ESD), directly affecting system reliability and signal-to-noise ratio. Traditional white alumina has limitations in optical control, and conventional ESD protection solutions often fail to be perfectly compatible with high gas-tightness and high thermal conductivity packaging systems.

Based on the high mechanical strength, thermal conductivity, and excellent insulation properties of black alumina ceramics, the material achieves a multi-functional integration of optical control, thermal management, and on-chip electrostatic discharge (ESD) protection.

1. Anti-static capability: Material-level ESD protection

Black alumina ceramics achieve this controlled resistivity by precisely doping transition metal ions (such as manganese, titanium, and cobalt) at the boundaries of the alumina grains, thereby forming a microscopic conductive network within the material. As a result, the volume resistivity of the material can be controlled within the range of 10⁶ – 10¹¹ Ω·cm.

This design enables the electrostatic charges to be released at a controlled and gradual rate, preventing damage to the laser or photodetector chips due to instantaneous discharge, while also not affecting the signal integrity. Compared with applying anti-static coatings or conductive fillers on the surface, the intrinsic conductive properties of black alumina ceramics

2. Optical Control and Thermal Management: The Comprehensive Advantages of Black Ceramics

Black alumina ceramics achieve high absorption rates for visible light and near-infrared light through ion doping, which can increase the absorption rate of internal stray light in the package to over 95%. This effectively reduces optical crosstalk and noise, providing a stable optical environment for high-speed optical communication modules and precise photodetectors.

Meanwhile, it inherits the high mechanical strength and high thermal conductivity (approximately 24–28 W/(m·K)) of white alumina ceramics. It efficiently dissipates heat from the device, maintaining dimensional stability and performance under high-power, high-temperature conditions, ensuring long-term reliable operation.

3. Multi-functional Integrated Application Cases

(1)High-Power Laser Module Packaging

• Black alumina ceramic can be used as a tube shell or heat sink, efficiently conducting the heat from the chip.

• The black ceramic body absorbs reflected light, reducing optical interference.

• Its ESD control properties protect the chips during mounting and wire bonding.

(2)Avalanche Photodiode (APD) Packaging

APD is highly sensitive to static electricity. Black alumina ceramic, when used as a tube base or window plate, can provide physical support, optical isolation, thermal management and static shielding, significantly enhancing the component’s surge resistance and operational lifetime.

(3)Microwave Optoelectronic Integrated Modules

• The module integrates a laser, a driving circuit and a radio frequency transmission line. The electromagnetic environment is complex.

• The black alumina ceramic substrate combines microwave transmission performance, electrostatic discharge prevention function and optical signal isolation, achieving the integration of a multi-functional substrate.

The multi-functional integration characteristics of black alumina ceramics signify the evolution of photonic packaging materials from passive protection to active functional design. It has been optimized through materials science, integrating optical control, thermal management and anti-static functions, providing a system-level reliability solution for high-power and high-integration optoelectronic devices.

For photonic systems that aim for high performance and ultra-high reliability, choosing black alumina ceramics is not just selecting a packaging material—it represents a system-level high-reliability strategy. Innovacera provides customized solutions for ceramic packages using black alumina ceramics—contact sales@innovacera.com
to learn more.