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:
Jun. 21, 1983
Filed:
Jan. 12, 1981
Applicant:
Inventors:
Werner Franke, Wiesbaden, DE;
Markus Seibel, Mainz, DE;
Assignee:
Hoechst Aktiengesellschaft, , DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430271 ; 340256 ; 430262 ; 430263 ; 430260 ; 430259 ; 430501 ;
Abstract
This invention relates to an improvement in a light-sensitive layer transfer material comprising a temporary film support and a light-sensitive thermoplastic photoresist layer detachably connected therewith, the improvement being that the underside of the film support has a lower adhesion to the photoresist layer than its upper side. The invention also relates to a process for transferring a light-sensitive photoresist layer from a temporary to a permanent support.