Active solid-state devices (e.g. – transistors – solid-state diode – Housing or package – With desiccant – getter – or gas filling
Reexamination Certificate
2005-05-24
2005-05-24
Potter, Roy (Department: 2822)
Active solid-state devices (e.g., transistors, solid-state diode
Housing or package
With desiccant, getter, or gas filling
Reexamination Certificate
active
06897551
ABSTRACT:
The specification teaches a device for use in the manufacturing of microelectronic, microoptoelectronic or micromechanical devices (microdevices) in which a contaminant absorption layer improves the life and operation of the microdevice. In a preferred embodiment the invention includes a mechanical supporting base, and discrete deposits of gas absorbing or contaminant removing material on the base by a variety of techniques and a layer for temporary protection of the contaminant removing material on top of the contaminant removing material. Passages are created in the layer which expose the contaminant removing material to atmosphere. The device may be used as a covering for the microdevice as well.
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patent: 5520563 (1996-05-01), Wallace et al.
patent: 5656889 (1997-08-01), Niiyama et al.
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patent: 0 837 502 (1998-04-01), None
patent: WO 0061832 (2000-10-01), None
International Search Report.
Hickman Paul L.
Perkins Coie LLP
Potter Roy
SAES Getters S.p.A.
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