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. 09, 2021
Filed:
Jul. 20, 2016
Applicant:
Schott Ag, Mainz, DE;
Inventors:
Axel Engel, Ingelheim, DE;
Clemens Kunisch, Armsheim, DE;
Ralf Jedamzik, Griesheim, DE;
Gerhard Westenberger, Mainz, DE;
Peter Fischer, Budenheim, DE;
Assignee:
SCHOTT AG, Mainz, DE;
Primary Examiner:
Int. Cl.
CPC ...
G01N 25/16 (2006.01); G01B 11/16 (2006.01); G01B 9/02 (2006.01);
U.S. Cl.
CPC ...
G01N 25/16 (2013.01); G01B 9/02 (2013.01); G01B 11/161 (2013.01); G01N 2203/0057 (2013.01);
Abstract
A method is provided for determining the thermal expansion of a low thermal expansion material with very high accuracy of at most +/−3 ppb/K or less and/or with a reproducibility of at most +/−1 ppb/K or less. A measuring device is also provided that includes an advanced push rod dilatometer.