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:
Sep. 01, 2020
Filed:
Dec. 04, 2018
Applicant:
Schott Ag, Mainz, DE;
Inventors:
Jörg Schuhmacher, Kornwestheim, DE;
Philipp Treis, Mainz, DE;
Jochen Drewke, Mainz, DE;
Hans-Joachim Schmitt, Ockenheim, DE;
Martun Hovhannisyan, Frankfurt, DE;
Friedrich Siebers, Nierstein, DE;
Yvonne Menke-Berg, Wiesbaden, DE;
Assignee:
SCHOTT AG, Mainz, DE;
Primary Examiner:
Int. Cl.
CPC ...
C09J 11/04 (2006.01); C03C 8/24 (2006.01); C03C 14/00 (2006.01); C03C 10/00 (2006.01); H01L 23/29 (2006.01); C03C 3/21 (2006.01); C08K 3/22 (2006.01); C08K 3/32 (2006.01); C08K 3/34 (2006.01); C08K 3/40 (2006.01); C08K 7/20 (2006.01); C09J 9/00 (2006.01); C09J 163/00 (2006.01);
U.S. Cl.
CPC ...
C09J 11/04 (2013.01); C03C 3/21 (2013.01); C03C 8/24 (2013.01); C03C 10/00 (2013.01); C03C 14/004 (2013.01); C08K 3/22 (2013.01); C08K 3/32 (2013.01); C08K 3/34 (2013.01); C08K 3/40 (2013.01); C08K 7/20 (2013.01); C09J 9/00 (2013.01); C09J 163/00 (2013.01); H01L 23/295 (2013.01); C03C 2214/04 (2013.01); C08K 2201/003 (2013.01);
Abstract
A composite material is provided that includes at least one first material and particles. The particles have a negative coefficient of thermal expansion and the particles have a sphericity Ψ of at least 0.7. The composite material includes at least 30 vol % of the particles at a particle size of d≤1.0 μm or at least 40 vol % of the composite material at a particle size d>1.0 μm.