The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 17, 2020
Filed:
Dec. 18, 2018
Applicant:
Nitto Denko Corporation, Ibaraki-shi, Osaka, JP;
Inventors:
Kenji Furuta, Ibaraki, JP;
Akira Hirao, Ibaraki, JP;
Tatsuya Suzuki, Ibaraki, JP;
Hiroki Ieda, Ibaraki, JP;
Akira Chinen, Ibaraki, JP;
Minami Watanabe, Ibaraki, JP;
Assignee:
NITTO DENKO CORPORATION, Ibaraki-shi, Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 5/012 (2006.01); C09J 7/38 (2018.01); G11B 5/127 (2006.01); G11B 19/20 (2006.01);
U.S. Cl.
CPC ...
G11B 5/012 (2013.01); C09J 7/387 (2018.01); G11B 5/127 (2013.01); G11B 19/2009 (2013.01); C09J 2203/326 (2013.01); C09J 2205/114 (2013.01); C09J 2425/00 (2013.01); C09J 2453/00 (2013.01);
Abstract
Provided is a PSA sheet that achieves both bonding reliability at a high temperature and reduction of outgassing. The PSA sheet provided by this invention comprises a substrate layer and a PSA layer provided to one face of the substrate layer. The PSA sheet exhibits a 180° peel strength of 1 N/20 mm or greater to stainless steel at 60° C. It has an amount of thermally released gas of 10 μg/cmor less, determined at 130° C. for 30 minutes by GC-MS.