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. 26, 1992

Filed:

Jun. 14, 1991
Applicant:
Inventors:

William F Dalton, Richmond, VA (US);

Henry B Micks, Jr, Richmond, VA (US);

Assignee:

AT&T Bell Laboratories, Murray Hill, NJ (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430327 ; 355 53 ; 355 92 ; 430311 ; 430396 ;
Abstract

Disclosed is a method for increasing the resolution in contact printing operations by ensuring an intimate contact between the mask and photoresist. A flow of air is directed at the underside of the workpiece being printed while the mask is in place to provide pressure for the necessary contact.


Find Patent Forward Citations

Dalton, William. (1992). Contact printing process (U.S. Patent No. 5116718). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5116718

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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