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Lids with preforms：
Hi-Rel Alloys Pre-Assembled Lid and Solder Frame Provides a distinct advantage over sealing techniques using separate lids and Solder Frames。
Increase your Sealing yields and lower your cost
- Aligned Lid and Preform make it easy to position on Package Seal Ring
- Routinely Achieve 99 + % hermetic yields
- Small Lots / Prototype quantities available without hard tool
- Only one Part to Purchase
Material Specification
- Lid - Kovar (F-15) or Alloy 42
- Plated - Gold over Nickel
- Frame - 80Au / 20Sn Eutectic Solder
- Lid and Frame Tack Welded together in four corners
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