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China, Chinese Glass-to-Metal Seals Cases for High Frequency Chips Packing1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Industrial Ceramic ProductsCeramic SealGlass to Metal SealsGlass to Feedthroughs
Xiamen Innovacera Advanced Materials Co., Ltd.
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Product Description Glass-To-Metal Seals and Feedthroughs, where glass is heated to a molten state and then wetted to the metal, creating a tight bond while carefully controlling the thermal expansion of both materials to prevent breakage. * Glass is heated to a molten state then wetted to the metal, forming a tight bond.* The thermal expansion of the glass and the metal are carefully measured and controlled to prevent breakage.INNOVACERA offers not only electrical feedthroughs, the most common type we make, but also RF and microwave feedthroughs.Materials:* Body materials: Cold rolled steels, Stainless steel, Inconel, etc.* Glass Materials: Soda lime, Lead silicate, etc.* Electrodes Material: Alloy 52, Copper Cored 52 Alloy, Alloy 42, etc.Typically Compression Seals withstand temperatures ranging from -250°C to 400°C. Allowable operating temperatures would be from -60°C to 200°C under thermal cycling and shock. Plating:* Gold Plating* Silver Plating* Electrolytic and Electroless Ni Plating* Tin Plating Alumina Ceramic PropertyPropertyUnit92% Alumina Ceramic95% Alumina Ceramic99% Alumina CeramicDensityg/cm3≥3.63≥3.68≥3.83Water absorption%OOOSintering temperature°C1500-17001600-18001700-1800HardnessHV≥1400≥1500≥1650Flexural strengthKgf/cm2300030003000Compressive strengthKgf/cm2240002500026000Fracture toughnessMap.m3/23~43~44~5Maximum temperature°C160017001800Coefficient of thermal expansion/°C8*10-68*10-68*10-6Heat shockT(°C)220220220Thermal conductivityW/m.k(25-300°C)25 1425 1425 14 20°C >1012>1012>1012
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