Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – Entirely of metal except for feedthrough
Reexamination Certificate
2005-05-27
2009-08-18
Clark, S. V (Department: 2823)
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
Entirely of metal except for feedthrough
C438S106000, C257S704000
Reexamination Certificate
active
07576427
ABSTRACT:
A cold welded hermetic micro or nano package sealed in an inert atmosphere with optional force maintenance means for ensuring permanent closure. A package cap410coated with precursor weld material is sealed to a package base405containing integral device445then cold welded with an external force mechanism to compress and flow cold seal preform material435creating a hermetic peripheral seal in an inert or vacuum atmosphere. Arrays of devices can be sealed with individual caps or arrays of caps which are interconnected.
REFERENCES:
patent: 4145627 (1979-03-01), Ishizawa
patent: 6413800 (2002-07-01), Kyle
patent: 6429511 (2002-08-01), Ruby et al.
Clark S. V
Stellar Micro Devices
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