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. 02, 2024
Filed:
Jun. 10, 2022
Applicant:
Corning Incorporated, Corning, NY (US);
Inventors:
George Halsey Beall, Big Flats, NY (US);
Alexandra Lai Ching Kao Andrews Mitchell, Ithaca, NY (US);
Charlene Marie Smith, Corning, NY (US);
Assignee:
CORNING INCORPORATED, Corning, NY (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C03C 10/00 (2006.01); C03B 23/03 (2006.01); H05K 5/00 (2006.01); H05K 5/02 (2006.01);
U.S. Cl.
CPC ...
C03C 10/0036 (2013.01); C03B 23/0305 (2013.01); H05K 5/0017 (2013.01); H05K 5/02 (2013.01);
Abstract
An opaque gahnite-spinel glass ceramic is provided. The glass ceramic includes a first crystal phase including (MgZn)AlOwhere x is less than 1 and a second crystal phase includes at least one of tetragonal ZrO, MgTaO, mullite, and cordierite. The glass ceramic has a Young's modulus greater than or equal to 90 GPa, and has a hardness greater than or equal to 7.5 GPa. The glass ceramic may be ion exchanged. Methods for producing the glass ceramic are also provided.