Key sheet and manufacturing method for key sheet

Electricity: circuit makers and breakers – Solid contact – Membrane type

Reexamination Certificate

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Details

C200S341000, C029S622000, C428S139000, C379S433020

Reexamination Certificate

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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.

REFERENCES:
patent: 5613599 (1997-03-01), Inagaki et al.
patent: 6196738 (2001-03-01), Shimizu et al.
patent: 6380681 (2002-04-01), Matsuda et al.
patent: 6762381 (2004-07-01), Kunthady et al.
patent: 6770212 (2004-08-01), Hayashizaki
patent: 7034235 (2006-04-01), Hosaka
patent: 7094985 (2006-08-01), Kobayashi et al.
patent: 7099465 (2006-08-01), Nishi
patent: 7101603 (2006-09-01), Okamura et al.
patent: 2004/0200712 (2004-10-01), Nishimura et al.
patent: 2005-063795 (2005-03-01), None

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