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:
May. 17, 2011
Filed:
Jan. 03, 2008
Akiyoshi Yamamoto, Ibaraki, JP;
Toshio Shintani, Ibaraki, JP;
Fumiteru Asai, Ibaraki, JP;
Kouichi Hashimoto, Ibaraki, JP;
Akiyoshi Yamamoto, Ibaraki, JP;
Toshio Shintani, Ibaraki, JP;
Fumiteru Asai, Ibaraki, JP;
Kouichi Hashimoto, Ibaraki, JP;
Nitto Denko Corporation, Osaka, JP;
Abstract
An adhesive sheet for processing semiconductor substrates comprises a UV rays- and/or radiation-transmittable base film and an adhesive layer that undergoes a polymerization curing reaction by means of UV rays and/or radiation, wherein the adhesive layer is formed using a multifunctional acrylate oligomer and/or monomer having a double bond, and is blended so as to result in 1 double bond per total average molecular weight of 225 to 8000 as determined on the basis of the weight average molecular weight of the multifunctional acrylate oligomer and/or monomer.