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 a 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