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:
Jul. 19, 2011
Filed:
Apr. 18, 2008
Applicants:
Bodo Kuehn, Gelnhausen, DE;
Steffen Kaiser, Hanau, DE;
Denis Kassube, Rodenbach, DE;
Kerstin Merget, Alzenau, DE;
Inventors:
Bodo Kuehn, Gelnhausen, DE;
Steffen Kaiser, Hanau, DE;
Denis Kassube, Rodenbach, DE;
Kerstin Merget, Alzenau, DE;
Assignee:
Heraeus Quarzglas GmbH & Co. KG, Hanau, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03B 25/00 (2006.01); C03B 27/00 (2006.01); C03B 27/012 (2006.01);
U.S. Cl.
CPC ...
Abstract
To optimize an optical component of synthetic quartz glass, in the case of which a quartz glass blank is subjected to a multistage annealing treatment, with respect to compaction and central birefringence, the present invention suggests a method comprising the following steps: