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. 30, 2001
Filed:
Dec. 14, 1995
Applicant:
Inventors:
Akio Uesugi, Shizuoka, JP;
Tsutomu Kakei, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Primary Examiner:
Int. Cl.
CPC ...
B05D 3/12 ;
U.S. Cl.
CPC ...
B05D 3/12 ;
Abstract
A manufacturing process for a lead-frame forming material, comprises continuously subjecting a metal web to a degrease treatment and an acid cleaning treatment, coating a light-sensitive material on said metal web, followed by drying to form a light-sensitive layer, and cutting the above coated lead-frame forming metal web thus obtained in fixed lengths along a longitudinal direction or winding said coated lead-frame forming metal web into a roll. The lead-frame having a uniform quality can be produced in large volume.