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:
May. 26, 1987
Filed:
Nov. 21, 1985
Applicant:
Inventors:
Richard T Girard, Coventryville, PA (US);
John R McLaughlin, Media, PA (US);
Assignee:
PQ Corporation, Valley Forge, PA (US);
Primary Examiner:
Int. Cl.
CPC ...
B28D / ;
U.S. Cl.
CPC ...
125 / ; 125 / ; 51 7 / ;
Abstract
A self-dressing mounting beam for slicing wafers from ingots of various materials, especially semiconductors, is described. The mounting beam is a composite material comprising an organic polymer, particles of abrasive and hollow microspheres. The ingot is mounted on the beam and sliced using an inside diameter saw. The saw penetrates the mounting beam as well as the ingot, so that the self-dressing feature is realized with each pass of the blade.