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:
Oct. 22, 2002
Filed:
Mar. 09, 2000
Applicant:
Inventors:
Takeshi Sugie, Shiga-ken, JP;
Takatoshi Miki, Shiga-ken, JP;
Assignee:
Mitsubishi Polyester Film, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C 1/76 ; B32B 2/708 ; B32B 2/732 ; G03F 7/11 ;
U.S. Cl.
CPC ...
G03C 1/76 ; B32B 2/708 ; B32B 2/732 ; G03F 7/11 ;
Abstract
The present invention relates to a cover film for dry film resist comprising a base film and at least one wax-containing coating layer on at least one side of a base film, the water droplet contact angle of the surface of said coating layer being not less than 80°.