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:
May. 22, 2001

Filed:

Jan. 21, 1999
Applicant:
Inventors:

Masatoshi Matsumoto, Gunma-ken, JP;

Mitsugu Koike, Gunma-ken, JP;

Hitoshi Maruhashi, Gunma-ken, JP;

Yoshihisa Mineura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B 3/04 ; B32B 3/300 ; B05D 5/10 ;
U.S. Cl.
CPC ...
B32B 3/04 ; B32B 3/300 ; B05D 5/10 ;
Abstract

An adhesive sheet used for semiconductor wafer processing; with the adhesive sheet consisting of a release liner, an adhesive layer and a base film which are laminated in order of description, having a great length and being folded zigzag into equal sections so that one section is superposed exactly upon another.


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