1. Product Overview:Kovar is a special alloy composed of nickel (Ni), cobalt (Co), and iron (Fe) with an extremely low coefficient of thermal expansion. This alloy is widely used in the electronics industry due to its excellent dimensional stability. Kovar alloy performs well at high temperatures, making it particularly suitable for manufacturing electronic components, packaging materials, and glass-to-metal sealing.

2. Key Features:

• Low Thermal Expansion: Kovar alloy exhibits an extremely low coefficient of thermal expansion, making it an ideal choice for manufacturing high-precision electronic devices.

• High-Temperature Stability: Even at high temperatures, Kovar maintains dimensional stability, suitable for applications requiring high-temperature stability.

• Good Machinability: Kovar alloy is easy to machine, weld, and form, providing manufacturing flexibility.

3. Key Applications:

• Electronic Components: Kovar is widely used in the manufacture of integrated circuits (IC) packaging, semiconductor devices, and other high-precision electronic components.

• Glass-to-Metal Sealing: Due to its good compatibility with glass, Kovar finds extensive application in the manufacturing of glass-to-metal seals.

• Aerospace: Kovar alloy is also used in the aerospace industry, especially in the production of precision instruments and sensors.

4. Physical Properties:

• Coefficient of Thermal Expansion: Approximately 4.7 x 10^-6 /°C (in the range of 20°C to 200°C).

• Density: Approximately 8.36 g/cm³.

5. Manufacturing Standards:

• The production of Kovar alloy typically follows relevant international and industry standards to ensure product quality and performance meet expected requirements.