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. 12, 2000
Filed:
Feb. 25, 1999
Applicant:
Inventors:
John Schemenaur, Scottsdale, AZ (US);
Lee Ellershaw, Phoenix, AZ (US);
Todd Johnson, Temple, AZ (US);
Michael Marsaglia, Chandler, AZ (US);
Assignee:
Morton International Inc., Chicago, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23C / ;
U.S. Cl.
CPC ...
148248 ; 148283 ;
Abstract
Metal surfaces, particularly copper surfaces, which are oxidatively micro-etched to increase surface area, are provided acid-resistance by exposure to a thiazole compound and/or a thiocarbamide compound. The thiazole compound and/or thiocarbamide compound may be provided either in the oxidative micro-etching solution or provided in a post-micro-etching solution.