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:
Sep. 03, 2013
Filed:
Mar. 03, 2010
Kazuki Soejima, Ibaraki, JP;
Takamasa Hirayama, Ibaraki, JP;
Daisuke Shimokawa, Ibaraki, JP;
Masaaki Sato, Ibaraki, JP;
Yukio Arimitsu, Ibaraki, JP;
Kazuki Soejima, Ibaraki, JP;
Takamasa Hirayama, Ibaraki, JP;
Daisuke Shimokawa, Ibaraki, JP;
Masaaki Sato, Ibaraki, JP;
Yukio Arimitsu, Ibaraki, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
The invention relates to a heat-peelable pressure-sensitive adhesive sheet for cutting a laminated ceramic sheet, which is used for temporary fixing at cutting of the laminated ceramic sheet, the heat-peelable pressure-sensitive adhesive sheet including a base material and, formed on at least one surface of the base material, a heat-expandable pressure-sensitive adhesive layer containing a pressure-sensitive adhesive and a foaming agent, in which the heat-expandable pressure-sensitive adhesive layer has a gel fraction of 50% by weight or more, and the heat-expandable pressure-sensitive adhesive layer has a glass transition temperature of −40° C. to 30° C.