Title:
KEY SHEET
Document Type and Number:
Japanese Patent JP2012113979
Kind Code:
A
Abstract:
To provide a key sheet which is capable of preventing fine scratches or the like on surfaces of key tops formed of a photocurable resin.
A key sheet 10 for push-button switches of a portable electronic device has key tops 12 formed of a photocurable resin. A protective sheet 16 is pressure-bonded to a surface of the key sheet 10 including surfaces of the key tops 12. Preferably, the protective sheet 16 is pressure-bonded to the surface of the key sheet 10 by vacuum pressure bonding. Preferably, the protective sheet 16 is a thermoplastic resin sheet and is pressure-bonded to the surface of the key sheet 10 while being heated.
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Inventors:
SAWAI SHIN
Application Number:
JP2010262288A
Publication Date:
June 14, 2012
Filing Date:
November 25, 2010
Export Citation:
Assignee:
SUNARROW LTD
International Classes:
H01H13/14; H01H11/00; H01H13/702
Attorney, Agent or Firm:
Hajime Tsukuni
Yasuo Yanagibashi
Yasuo Yanagibashi