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. 01, 1996
Filed:
Apr. 07, 1993
Applicant:
Inventors:
Bruce Geil, Baltimore, MD (US);
Tim Mermagen, Havre de Grace, MD (US);
Assignee:
The United States of America as represented by the Secretary of the Army, Washington, DC (US);
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G03B / ; G03C / ;
U.S. Cl.
CPC ...
355 44 ; 355 18 ; 359 36 ; 364488 ; 364489 ;
Abstract
A method and system for modification of a pattern on a semiconductor subste, comprising the application of an electrical current through a liquid medium having a series of individual pixels controlled by a computer, thereby causing the clear liquid to change to opaque in selected areas.