Switch with lid

Details Switch with lid Switch with lid

2006-03-28

2006-03-28

Friedhofer, Michael A. (Department: 2832)

Electricity: circuit makers and breakers

Liquid contact

C200S292000

Reexamination Certificate

active

07019236

ABSTRACT:
A switch includes a switching element, a substrate, and a lid. The substrate has internal and external metal layers separated by at least an insulating layer. The substrate's external metal layer has a first plurality of signal conductors formed therein, at least some of which are in contact with the switching element. The substrate's internal metal layer has a second plurality of signal conductors formed therein, which are electrically coupled to the first plurality of signal conductors by means of a first plurality of conductive vias in the insulating layer. The lid is attached to the substrate to encapsulate the first plurality of signal conductors between the lid and the substrate.

REFERENCES:
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patent: 6457979 (2002-10-01), Dove et al.
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patent: 6818844 (2004-11-01), Wong et al.
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patent: 6903287 (2005-06-01), Wong
Marvin Glenn Wong, et al., “Formation of Signal Paths to Increase Maximum Signal-Carrying Frequency of a Fluid-Based Switch”, U.S. Appl. No. 10/413,855, filed Apr. 14, 2003.
Marvin Glenn Wong, “A Piezoelectrically Actuated Liequid Metal Switch”, U.S. Appl. No. 10/137,691, filed May 2, 2002.
Casey et al., “Methods for Making Microwave Circuits”, U.S. Appl. No. 10/600,143, filed Jun. 19, 2003.
Casey et al., Methods for Depositing a Thickfilm Dielectric on a Substrate, U.S. Appl. No. 10/600,600, filed Jun. 19, 2003.
Lewis R. Dove, “Switch, with Lid Mounted on a Thickfilm Dielectric”, U.S. Appl. No. (not yet assigned), 18 pages of specification including claims and abstract, six- (6) sheets of drawings, filed Mar. 11, 2004.

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