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:
Nov. 24, 1987
Filed:
Sep. 15, 1986
Applicant:
Inventors:
Martin Y Hsieh, Palo Alto, CA (US);
Howard Mizuhara, Hillsborough, CA (US);
Assignee:
GTE Products Corporation, Stamford, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ; H01Q / ;
U.S. Cl.
CPC ...
501 98 ; 501 97 ; 343872 ;
Abstract
A ceramic dielectric having a low dielectric constant and a low dielectric loss tangent from room temperature to at least about 1100.degree. C. comprises a silicon nitride based material containing an effective amount of magnesium oxide as a sintering aid and an effective amount of a low dielectric loss promoter comprising iron oxide and/or chromium oxide.
Hsieh, Martin. (1987). Silicon nitride having low dielectric constant (U.S. Patent No. 4708943). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4708943
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile