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:
Jun. 08, 1999
Filed:
Nov. 08, 1996
Applicant:
Inventor:
David B Noddin, Eau Claire, WI (US);
Assignee:
W. L. Gore & Associates, Inc., Newark, DE (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B44C / ;
U.S. Cl.
CPC ...
216 18 ; 216 20 ; 216 65 ; 428209 ;
Abstract
A method for forming a blind-via in a laminated substrate by laser drilling a blind-via from a top surface of the substrate toward a bottom surface of the substrate using a first laser and a first trepanning motion of a laser focal spot of the first laser. Then, the via is laser drilled from the top surface toward the bottom surface using a second laser and a second trepanning motion of a laser focal spot of the second laser.