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Hermetic step lids & covers：
- Step lids: range of thicknesses
- Flat covers: range of thicknesses
- Drawn covers: Top-hat style
- Window lids:
- AR coated
- Sapphire
- Opto lens
- To Window caps
Incase sealing yields and lower your cost!
Materials specification
Lids:
- kovar(F-15)
- Alloy 42
- Alloy46
- Alloy 48
- Electroless nickel
- Electrolytic nickel
- Tungsten
- Stainless steel 304
- Stainless steel 304L
- Aluminium
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