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:
Mar. 27, 2007
Filed:
Jul. 12, 2006
Applicants:
Ralf Hammer, Freiberg, DE;
André Kleinwechter, Freiberg, DE;
Sylvia Müller, Freiberg, DE;
Ralf Gruszynsky, Brand-Erbisdorf, DE;
Inventors:
Ralf Hammer, Freiberg, DE;
André Kleinwechter, Freiberg, DE;
Sylvia Müller, Freiberg, DE;
Ralf Gruszynsky, Brand-Erbisdorf, DE;
Assignee:
Freiberger Compound Materials GmbH, Freiberg, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B28D 1/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A wire saw () for cutting a workpiece includes a device () for setting, controlling and/or maintaining a predetermined or desired water content in at least part of the gaseous medium that contacts the slurry. With the wire saw according to the invention and the process carried out using this wire saw, it is possible to achieve consistently good surface properties of the resulting wafers over a prolonged period of use of a slurry.