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:
Sep. 26, 1978
Filed:
Sep. 07, 1977
Applicant:
Inventors:
Frank Alfred Huntley, Porchester, GB;
William Morris Morgan, Chandler's Ford, GB;
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
156656 ; 156667 ; 252 793 ;
Abstract
A method for preparing matted display electrodes is provided. The electrodes are initially chemically treated in a solution to form a compound on said electrodes which is insoluable in said solution. Finally, the electrodes treated in a second solution which dissolves said compound.