Glass-to-Metal Seals Cases for High Frequency Chips Packing

• Application: High-Pressure Seals
• Plated Layer: Gold / Sliver / Ni / Tin Plating
• Processing Service: Welding, Moulding
• Plating: * Gold Plating * Silver Plating
• Material Composition: Alumina, Al2O3
• Speciality: High Insulation, High Strength
• Type: Ceramic Parts
• Transport Package: Standard Cartons with Foam
• Specification: Customized
• Trademark: INNOVACERA
• Origin: Fujian, China
• Production Capacity: 20000 Piece/Pieces Per Month

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 Property
Property		Unit	92% Alumina Ceramic	95% Alumina Ceramic	99% Alumina Ceramic
Density		g/cm3	≥3.63	≥3.68	≥3.83
Water absorption		%	O	O	O
Sintering temperature		°C	1500-1700	1600-1800	1700-1800
Hardness		HV	≥1400	≥1500	≥1650
Flexural strength		Kgf/cm2	3000	3000	3000
Compressive strength		Kgf/cm2	24000	25000	26000
Fracture toughness		Map.m3/2	3~4	3~4	4~5
Maximum temperature		°C	1600	1700	1800
Coefficient of thermal expansion		/°C	8*10-6	8*10-6	8*10-6
Heat shock		T(°C)	220	220	220
Thermal conductivity		W/m.k(25-300°C)	25 14	25 14	25 14
	20°C		>1012	>1012	>1012