Key sheet and manufacturing method for key sheet

Details Key sheet and manufacturing method for key sheet Key sheet and manufacturing method for key sheet

2008-01-22

2008-01-22

Friedhofer, Michael A (Department: 2832)

Electricity: circuit makers and breakers

Solid contact

Membrane type

C200S341000, C029S622000, C428S139000, C379S433020

Reexamination Certificate

active

11512107

ABSTRACT:
As a key sheet for fixing a base sheet and key tops to be arranged on the base sheet using adhesive layers, a key sheet where the key tops and the base sheet are fixed, is obtained by forming printed adhesive layers of the key tops on facing surfaces of at least either of the key tops or the base sheet by means of printing, and then bringing the printed adhesive layer into contact with the other facing surfaces in a softened or molten state, and by curing the printed adhesive layer.

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patent: 2004/0200712 (2004-10-01), Nishimura et al.
patent: 2005-063795 (2005-03-01), None

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