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:
Mar. 20, 2007
Filed:
Jan. 20, 2005
Applicants:
Jim J. Chang, San Ramon, CA (US);
Herbert W. Friedman, Oakland, CA (US);
Brian J. Comaskey, Walnut Creek, CA (US);
Inventors:
Jim J. Chang, San Ramon, CA (US);
Herbert W. Friedman, Oakland, CA (US);
Brian J. Comaskey, Walnut Creek, CA (US);
Assignee:
The Regents of the University of California, Oakland, CA (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
B23K 26/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A laser system produces a first laser beam for rapidly removing the bulk of material in an area to form a ragged hole. The laser system produces a second laser beam for accurately cleaning up the ragged hole so that the final hole has dimensions of high precision.