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:
Dec. 06, 1988
Filed:
Jul. 15, 1987
Applicant:
Inventors:
William H Kasner, Penn Hills, PA (US);
James F Roach, Oakmont, PA (US);
Vincent A Toth, Penn Township, Westmoreland County, PA (US);
Assignee:
Westinghouse Electric Corp., Pittsburgh, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
2191217 ; 21912176 ; 21912171 ; 21912174 ; 21912175 ;
Abstract
A controlled depth laser drilling system for a workpiece containing metallic conductors is provided having at least one laser beam (56 and/or 57 of FIG. 5) where a portion of the laser beam (44) will be reflected from the workpiece and back to a drilling depth monitoring means (43) containing optical means capable of reflecting a portion of the original and reflected laser beams into radiation detector means (46', 46' and/or 45', 45'), where the detector means are capable of converting the radiation received into a measurable electrical signals.