Electricity: circuit makers and breakers – Solid contact – Membrane type
Reexamination Certificate
2007-03-27
2007-03-27
Lee, K. (Department: 2832)
Electricity: circuit makers and breakers
Solid contact
Membrane type
C200S600000, C029S622000, C345S174000
Reexamination Certificate
active
10987882
ABSTRACT:
A touch screen comprising: a) a substrate; b) a first conductive layer located on the substrate; c) a flexible sheet comprising a substantially planar surface and integral compressible spacer dots formed thereon, each integral compressible spacer dot having a base closest to the planar surface and a peak furthest from the planar surface; and d) a second conductive layer located on the surface of the flexible sheet, wherein the second conductive layer comprises a conductive mesh pattern and the peaks of the integral compressible spacer dots are located in non-conductive openings in the conductive mesh pattern; wherein when a minimum required activation force is applied to the touch screen at the location of one of the compressible spacer dots, the compressible spacer dot is compressed to allow electrical contact between the first and second conductive layers.
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Cok Ronald S.
Irvin, Jr. Glen C.
Majumdar Debasis
Anderson Andrew J.
Eastman Kodak Company
Lee K.
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