Keypad and process for producing the same

Details Keypad and process for producing the same Keypad and process for producing the same

1997-09-11

1999-06-15

Nakarani, D. S.

Stock material or miscellaneous articles

Composite

Of silicon containing

4273935, 4274121, 428451, B32B 2520, B32B 2730

Patent

active

059120835

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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