Keypad and process for producing the same
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United States of America Patent
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Jun 15, 1999
Grant Date -
N/A
app pub date -
Sep 11, 1997
filing date -
Sep 12, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A keypad is disclosed, comprising a structure in which a protective layer made of a 2-cyanoacrylate cured product is provided in a protuberant state on a display pattern formed on a touch base of a silicone rubber-made keypad preferably via a primer coated layer. A process for producing the keypad being also disclosed wherein the protective layer having a high adhesion, hardly generating cracks even by keying operations in a number of times and hardly causing yellowing with a lapse of time can be provided in the display pattern of the keypad made of silicon rubber.
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