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Aluminum Nitride PCB (AlN PCB) - CERcuits online ceramic PCB

Thick-film Aluminum Nitride (AlN) ceramics are high-performance substrates combining AlN's superior thermal conductivity (>170 W/mK) with screen-printed, fired-on conductive layers (usually 10–25

mu

m) for robust, high-power electronic circuits. They are ideal for high-heat applications like LED packaging, IGBT modules, and, more commonly, power transistors, offering excellent insulation and thermal expansion matching with silicon.

Key Characteristics & Advantages

Thermal Management: Offers 7-8 times higher thermal conductivity than Alumina (
$cap A l sub 2 cap O sub 3$
), making it superior for heat dissipation.
CTE Matching: The coefficient of thermal expansion (CTE) of AlN closely matches silicon (Si), reducing thermal stress on components.
Thick Film Process: Involves screen-printing conductive pastes (gold, silver-palladium, or copper) onto the ceramic surface, followed by firing, typically at temperatures around
$1000 raised to the composed with power cap C$
.
Durability: High mechanical strength, electrical insulation, and chemical resistance.

Aluminum Nitride Ceramic Substrate
Aluminum Nitride Ceramic Substrate * Custom polished aluminum nitride thin-film ceramic sheet. Aluminum Nitride(AlN) Ceramics are ...
Fujian Huaqing Electronic Material Technology Co.,Ltd
ALN Series - Thick Film High Power Chip Resistor
The ALN series thick film chips from Ohmite are designed for high power applications. They use an Aluminum Nitride (AlN) substrate...
Ohmite
Thick Film Circuits vs. Thin Film Circuits: Which is Best for Alumina ...
Apr 23, 2025 — What is a Thick Film Circuit? Thick film circuit use metal paste applied to ceramic and alumina substrates. These pastes are fired...
ggsceramic.com

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Aluminum nitride ceramic for thick-film substrate

Fujian Huaqing Electronic Material Technology Co.,Ltd

https://www.huaqingcn.com › aluminum-nitride-ceramic...

Fujian Huaqing Electronic Material Technology Co.,Ltd

https://www.huaqingcn.com › aluminum-nitride-ceramic...

Thick film substrates are electronic circuit boards generally made from Aluminum nitride(AlN) or Alumina ceramics. The Aluminum nitride or Alumina ceramic is ...Read more

Aluminum Nitride: A Material for Thermal Management

Precision Ceramics

https://precision-ceramics.com › Ceramic Materials

Precision Ceramics

https://precision-ceramics.com › Ceramic Materials

AlN commonly comes in substrates up to 1 mm thick, which can easily be laser cut. It can also come in thicker forms, however, it can be difficult/costly to ...Read more

Thick Film Substrates & Packages (Screen Printing)

株式会社MARUWA

https://www.maruwa-g.com › products › ceramic

株式会社MARUWA

https://www.maruwa-g.com › products › ceramic

Thick film printed and high temperature sintered substrates using excellent thermal conductivity materials, Alumina and Aluminum Nitride (AlN).Read more

AlN Substrate Ceramic: Everything You Should Know

bstceramicpcb.com

https://www.bstceramicpcb.com › industry-knowledge

bstceramicpcb.com

https://www.bstceramicpcb.com › industry-knowledge

An AlN substrate is a ceramic base material made from Aluminum Nitride, designed for electronic circuits that demand both thermal and electrical performance ...

Morphology of thick film metallization on aluminum nitride ...

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

ScienceDirect.com

https://www.sciencedirect.com › article › abs › pii

by P Zhang2015Cited by 34 — Surface metallization of aluminum nitride is performed by a reactively thick film method. A layer of copper film is deposited on the surface of AlN ceramics.Read more

High-Density Thick Film Substrates

Remtec

https://remtec.com › products › high-density-thick-film-s...

Remtec

https://remtec.com › products › high-density-thick-film-s...

Remtec designs and manufactures cost-effective, high-performance thick film multilayer ceramic circuits in low, medium, and high volumes.

AdTech Ceramics Introduces Copper Thick Film Metallization

AdTech Ceramics

https://www.adtechceramics.com › news › ad-tech-cera...

AdTech Ceramics

https://www.adtechceramics.com › news › ad-tech-cera...

Jul 20, 2017 — The picture shows copper thick film screened onto an aluminum nitride substrate. With a thermal conductivity of 170 W/mK, AlN is one of the ...Read more

AlN and Al2O3 Ceramic Substrates

unipretec

https://www.unipretec.com › aln-and-al2o3-ceramic-su...

unipretec

https://www.unipretec.com › aln-and-al2o3-ceramic-su...

The ceramic materials for substrates are characterized by their extremely high strength, excellent electrical insulation and thermal conductivity.Read more

DPC, DBC, AMB Thick Film Ceramic PCB

MADPCB

https://madpcb.com › Electronic Glossary

MADPCB

https://madpcb.com › Electronic Glossary

Nov 16, 2020 — In ceramic PCB, a thick film is a layer of copper deposited on the ceramic (Al2O3, AlN, SiN) substrates with AMB, DPC and DBC technologies.

Ag-Pd thick film conductor for AlN ceramics

IEEE Xplore

https://ieeexplore.ieee.org › document