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:
Nov. 22, 1994
Filed:
Dec. 30, 1992
Applicant:
Inventor:
Russell T White, Jr, Conklin, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B23K / ;
U.S. Cl.
CPC ...
21912168 ; 21912173 ; 21912177 ;
Abstract
A multi-beam drilling apparatus for selectively removing material from a substrate, at least one radiation source producing at least one beam of coherent radiation switchable between an energized and a deenergized state, a mask fixedly position relative to a substrate and provided with a preselected pattern of passages for machining beam passage whereby each passage is larger than the applied beam passing therethrough, the coherent source and substrate with the mask are relatively positionable.