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. 13, 1999
Filed:
Jun. 30, 1997
Applicant:
Inventors:
N Johan Knall, Sunnyvale, CA (US);
Christopher J Spindt, Menlo Park, CA (US);
Gabriela S Chakarova, San Jose, CA (US);
Duane A Haven, Umpqua, OR (US);
John M Macaulay, Mountain View, CA (US);
Roger W Barton, Palo Alto, CA (US);
Maria S Nikolova, Baltimore, MD (US);
Peter C Searson, Baltimore, MD (US);
Assignee:
Candescent Technologies Corporation, San Jose, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C25F / ;
U.S. Cl.
CPC ...
205640 ; 205674 ; 205685 ;
Abstract
An impedance-assisted electrochemical method is employed for selectively removing certain material from a structure without significantly electrochemically removing certain other material of the same chemical type as the removed material.