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:
Apr. 02, 1985
Filed:
Jun. 11, 1982
Applicant:
Inventors:
Robert B Heiart, Middletown, NJ (US);
Abraham B Cohen, Springfield, NJ (US);
Assignee:
E. I. Du Pont de Nemours and Company, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F / ;
U.S. Cl.
CPC ...
430 22 ; 430322 ; 430327 ; 430396 ;
Abstract
Method for registering and imagewise exposing to actinic radiation a sequence of sheet substrates which are registerable to one another to produce a composite image. A liquid layer separates the photomask and photosensitive layer of the substrate during the exposure.