Type

Journal Article

Authors

Duncan Hand
Kevin Cannon
Norbert Lorenz
Qiang wu

Subjects

Physics

Topics
surfaces laser joining glass frit source materials devices energy nature

Glass Frit as a Hermetic Joining Layer in Laser Based Joining of Miniature Devices (2010)

Abstract In this paper, we investigate the feasibility of using a laser as the heat source to drive a hermetic joining process based on a glass frit intermediate layer. The laser allows the necessary heat energy to be provided in a localized manner; important either as part of a multistage process, or to allow thermally-sensitive materials to be used inside the package. Our study includes an investigation of the impact of rough and grooved surfaces on the hermeticity and strength of the join, demonstrating the robust nature of the process, and its ability to allow feed-throughs to the center of package. Hermetic sealing is demonstrated, with leak rates of 10āˆ’9 mbar l sāˆ’1, satisfying the military standard MIL-STD-883G.
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Full list of authors on original publication

Duncan Hand, Kevin Cannon, Norbert Lorenz, Qiang wu

Experts in our system

1
Qiang wu
TU Dublin
Total Publications: 90