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:
Oct. 12, 1999
Filed:
Nov. 08, 1996
Applicant:
Inventors:
David B Noddin, Eau Claire, WI (US);
Robin E Gorrell, Eau Claire, WI (US);
Michael R Leaf, Eau Claire, WI (US);
Assignee:
W. L. Gore & Associates, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912171 ; 134-1 ;
Abstract
A method of forming a via in a laminated substrate by forming ablated material by laser drilling a via in a laminated substrate. The ablated material is deposited on a sidewall of the via. An ultrasonic treatment is applied to the drilled substrate thereby removing ablated material redeposited on sidewalls of the via.