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China, Chinese Silicon Nitride Si3n4 Ceramic Amb Thick Film Substrate for Aerospace1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Industrial Ceramic ProductsCeramic SubstrateSilicon Nitride Amb SubstrateSi3n4 Ceramic Amb Substrate
Xiamen Innovacera Advanced Materials Co., Ltd.
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Product Description Active Metal Brazing Substrates is a technology by applying active metal alloy (Ag, Cu, Ti etc.) to the ceramic surface, the active elements such as Ti and Zr can react with ceramics to form a reaction layer that can be wetted by liquid solder, this allows metal to be joined to ceramic without metallization. This ceramic-to-metal joining owns a higher bonding strength and good reliability, in addition to its excellent mechanical property and good thermal conductivity, which are commonly used in high-power electronic applications such as IGBT and SIC module package. Advantages:1.High thermal conductivity 2.Excellent chemical stability3.High heat dissipation4.Copper thickness: ~0.8mm5.Surface treatment: Ni/NiAu/Ag Ceramic Materials Properties ItemUnitSi3N4AlNDensityg/cm3≥3.2≥3.3Thermal ConductivityW/m·K≥80>170Coefficient of Thermal Expansion10-6/K2.5 (20~300)4.6 (20~300)Flexural StrengthMPa>700>350Dielectric Lossx10-4 [1MHz]103.8Dielectric Constant1MHz8~99Dielectric StrengthKv/mm-17Volume ResistivityΩ·cm>1014>1014Young's Modulus of ElasticityGPa300~310320Thickness ThicknessSi3N4 CeramicCopper0.25√ 0.3 √0.32√ 0.5√√0.8√√1√ Surface Finish Plating ProcessThicknessElectroless Ni2~8um (6%~10% P)Electroless NiAuAu: 0.01~0.1um; Ni: 2~8umElectroless AgAg: 0.1~0.6umTolerance ItemTolerance (mm) CeramicWxD: ±1% (min.0.1mm) T: ±10% CopperCopperthickness: >0.3~0.5±0.015 Copperthickness: >0.8~1.2±0.035Surface Roughness and Warpage ItemRoughnessWarpageCeramic0.2~0.8≤0.25%Copper≤0.8≤0.05%/25 VR SEND MEIf you are interested in our products, please click here to send me an inquiry, and I will reply you within 8 hours
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