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.

Date of Patent:
Apr. 25, 2017

Filed:

Oct. 02, 2014
Applicant:

Furukawa Electric Co., Ltd., Tokyo, JP;

Inventors:

Masami Aoyama, Tokyo, JP;

Hiromitsu Maruyama, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09J 7/02 (2006.01); C09J 133/08 (2006.01); H01L 21/683 (2006.01);
U.S. Cl.
CPC ...
C09J 7/0217 (2013.01); C09J 7/0207 (2013.01); C09J 133/08 (2013.01); H01L 21/6836 (2013.01); B32B 2405/00 (2013.01); C09J 2203/326 (2013.01); C09J 2433/00 (2013.01); H01L 2221/68327 (2013.01); H01L 2221/68377 (2013.01); H01L 2221/68381 (2013.01); Y10T 428/1476 (2015.01);
Abstract

The adhesive sheet wound into a roll includes: a long release film; an adhesive layer provided in a label form on the release film; and a pressure-sensitive adhesive film having a label part covering the adhesive layer and provided so as to be in contact with the release film around the adhesive layer and a peripheral part surrounding an outside of the label part, wherein a through hole penetrating the pressure-sensitive adhesive film is provided outside a portion corresponding to a part of the adhesive layer intended to be attached to an adherend and inside the label part, and wherein outer circumference of the adhesive layer× 1/43≦maximum width of the through hole×number of the through holes per label part of the pressure-sensitive adhesive film≦outer circumference of the adhesive layer is satisfied.


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