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. 28, 2002
Filed:
May. 28, 1999
Applicant:
Inventors:
Dean Matsumoto, Worcester, MA (US);
William F. Waslaske, Rutland, MA (US);
Bethany L. Sale, Worcester, MA (US);
Assignee:
Saint-Gobain Abrasive Technology Company, Worcester, MA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B24B 3/300 ;
U.S. Cl.
CPC ...
B24B 3/300 ;
Abstract
Abrasive tools containing high concentrations of hollow filler materials in a resin bond are suitable for polishing and backgrinding of hard materials, such as ceramic wafers and components requiring a controlled amount of surface defects. These highly porous abrasive tools comprise fine grit abrasive grain, such as diamond abrasive, along with the hollow filler material and resin bond.