Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shinji Nakamura0
Toshihiro Nishii0
Kiyohide Tatsumi0
Date of Patent
February 5, 2008
0Patent Application Number
104683610
Date Filed
October 11, 2002
0Patent Primary Examiner
Patent abstract
In a heat and press stage of manufacturing printed wiring boards, a functional surface layer having release property is provided on a surface of a cushion, and a blocking layer is prepared between the functional surface layer and an inner layer having cushion property so that a frequency of use of the cushion can be increased.
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