Metallized Ceramics

Your Professional Metallized Ceramics Supplier

Superior Ceramics Times Technology Co., Ltd. is a manufacturer specializing in the production of advanced ceramic materials, including nitrides, oxides, carbides, and composite ceramics. Our product portfolio encompasses silicon carbide, aluminum nitride, alumina, ultrapure alumina, yttria, zirconia, high-purity and high-performance boron nitride ceramics, zirconia toughened alumina (ZTA), alumina toughened zirconia (ATZ), silicon nitride, as well as other reinforced, composite, and high-performance ceramic materials.

Advanced Production Technology

The company employs advanced manufacturing technologies, including sintering, molding, grinding, CNC machining, laser drilling, precision grinding, and polishing processes.

Complete Production Equipment

Key production equipment includes sintering furnaces, isostatic presses, grinders, engraving machines, laser cutters, double-sided grinding machines, sand wire cutting devices, and injection molding machines.

Professional R&D Team

Our team consists of experienced experts dedicated to researching advanced ceramic materials. To date, the team has published over 100 academic papers, filed five Chinese invention patents, and obtained more than 20 utility model patents.

Professional Service

The product has technical support from Ph.D. experts and other experts during the research and development stage. The process is rigorous during the production process, and the after-sales service is on call 24 hours a day.

Ceramic Metallization
Ceramic metallization is a process of depositing a layer of metal on the surface of a ceramic substrate, which is then sintered at high temperatures to form a dense metalized coating, resulting in...
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Metal Powder Welding
Product Name:Metal powder welding
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Metal Brazing Ceramic
Metal brazing scheme: using fusible materials similar to ceramic linear expansion coefficient or oxygen-free copper parts and metalized ceramic parts to realize ceramic-metal sealing by brazing,...
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Parameter

	Project	Unit	The numerical
1	Vacuum air tightness	Pa·m^3/s	Q≤1*10^-11Pa·m^3/s
2	Mechanical strength	kg/cm^2	Tensile strength≥3000kg/cm^2
3	Thermal shock performance	Numbe	850℃ for 5 consecutive times without explosion or leakage
4	Resistivity of volume	Ω.m	≥10^15
5	Bonding strength	MPa	≥60

Advantages of Metallized Ceramics

High thermal conductivity
The heat the chip generates can directly transfer to the Ceramic parts.

Ideal thermal expansion coefficient
The thermal expansion coefficient of advanced ceramics and chips is similar, and it will not cause too much deformation when the temperature difference changes.

Low dielectric constant
The dielectric constant of the ceramic material itself reduces the signal loss, so Technical ceramic materials are widely used in communication equipment and signal transmission.

High bonding force
High bonding strength of metal layer and Ceramic Substrate of ceramic circuit board products, up to 45MPa (more remarkable than the strength of 1mm thick ceramic parts themselves).

High operating temperature
Ceramics can withstand high and low-temperature cycles with large fluctuations and can even operate at a high operating temperature of 800 degrees for a long time.

High electrical insulation
Industrial ceramics are insulating materials that can withstand high breakdown voltages, especially Ceramic Insulators after glazing, and can even be applied in fields with voltages above 100KV.

Chemical stability
The ceramic body has better chemical stability. It will not react with most strong acids and bases and will not be oxidized in a high-temperature environment.

Applications of Metallized Ceramics

High-power and high-frequency applications

Power electronics, microwave devices, RF amplifiers.

Electronic components and devices

Integrated circuits, resistors and capacitors, sensors and transducers.

Hermetic packaging and sealing

Vacuum tubes, electron tubes, optoelectronic devices, medical implants, and devices.

Preparation Method of Metallized Ceramics

Mo-Mn method
The Mo-Mn method is based on refractory metal powder Mo, then a small amount of low melting point Mn is added to the metallization formula, the binder is added to coat the Al2O3 ceramic surface, and then sintered to form a metalized layer.

Activation Mo-Mn method
The activated Mo-Mn method is an improvement on the basis of the traditional Mo-Mn method. The main directions for improvement are: adding activators and replacing the metal powder with oxides or salts of molybdenum and manganese. Both types of improvement methods are aimed at lowering the metallization temperature.

Active metal brazing method
The active metal brazing method is also a widely used ceramic-metal sealing process. It is developed 10 years later than the Mo-Mn method. It is characterized by fewer processes. The ceramic-metal sealing can be completed by only one heating process. . The brazing alloy contains active elements such as Ti, Zr, Hf and Ta.

Direct Copper Cladding (DBC)
DBC is a metallization method for bonding copper foil on ceramic surfaces (mainly Al2O3 and AlN). It is a new type of process developed with the rise of chip-on-board (COB) packaging technology. The basic principle is to introduce oxygen between Cu and ceramics, and then form a Cu/O eutectic liquid phase at 1065~1083℃, and then react with the ceramic matrix and copper foil to produce CuAlO2 or Cu(AlO2)2, and then Under the action of the intermediate phase, the bond between the copper foil and the substrate is realized.

Magnetron sputtering method
Magnetron sputtering method is a kind of physical vapor deposition. It deposits multilayer films on the substrate through magnetron technology. It has advantages over other deposition techniques, such as better adhesion and less Contamination, and improves the crystallinity of the deposited samples to obtain high-quality films.

Order Process

Step 1: Order confirmation
First, an internal contract review will be done. We will confirm your needs, including product specifications, quantity, unit price,delivery time, etc., to ensure that the order information is accurate.

Step 2: Production evaluation and plan
We will evaluate production capacity including raw material procurement, production equipment and production personnel arrangements, and then formulate a production plan, including production schedule, procurement plan, production process, etc., to ensure that production is carried out in an orderly manner.

Step 3: Process control and product inspection
During the production process, we will conduct quality control on raw materials, production equipment, and production personnel . After the production is completed, we will conduct strict inspection and testing on the product to ensure that the product meets the specifications and quality you require.

Step 4: Packaging and delivery
When the product passes the inspection, we will pack and ship it to ensure safe and complete delivery to you.

Step 5: After-sales service
After the product is delivered, we will establish a sound after-sales service system to respond and deal with your questions and needs in a timely manner to ensure customer satisfaction.

Packaging and Shipping

Packaging	Products with small sizes are generally packed in cartons, and the inside of the cartons is fixed with plastic foam.Large-size products are generally packed with plywood boxes. Different sizes of products have different packaging methods.
Shipping	Shipping by sea, by air, by express are acceptable. According to your requirements.

Our Factory

Superior Ceramics Times Technology Co., Ltd. was established in 2005 and has several production plants in Taizhou, Shaoxing, etc. We also have a registered company in the United States, located at 10 ROBIN, IRVINE, CA 92604.

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Our Certificates

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FAQ

Q: What are metallized ceramics?

A: Metallized ceramics are composite materials that combine high strength, high temperature resistance, metal conductivity, and weldability by introducing a metal layer on the surface or inside of the ceramic through physical or chemical methods.

Q: What are the commonly used metallized ceramic matrix materials?

A: Ceramics such as alumina (Al₂O₃), aluminum nitride (AlN), beryllium oxide (BeO), and silicon carbide (SiC).

Q: Why do chip packaging require metallized ceramics?

A: Ceramics provide insulation and heat dissipation, and the metallization layer realizes circuit interconnection, meeting the high reliability and heat dissipation requirements of the chip.

Q: Can metallized ceramics be used in high-temperature environments?

A: Yes, for example, metallized ceramic components in aerospace engines can work for a long time at temperatures above 1000°C.

Q: What to do if the metallized ceramic surface is rusted?

A: If the metal layer is copper, iron or other rust-prone metal, you can electroplate a nickel or gold protective layer; if it is already rusted, you need to re-clean and re-plate.

Q: How to maintain metallized ceramics?

A: Avoid contact with strong acids and alkalis, store in a dry environment, and control the temperature during welding to prevent oxidation of the metal layer.

As one of the most professional metallized ceramics manufacturers and suppliers, we're featured by quality products and good price. Please rest assured to buy high-grade metallized ceramics from our factory.

metallized ceramics