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. 03, 1991
Filed:
May. 09, 1989
Applicant:
Inventors:
Richard W Adams, Jr, Marlboro, MA (US);
David R Clarke, Katonah, NY (US);
Sara H Knickerbocker, Hopewell Junction, NY (US);
Linda L Rapp, Poughkeepsie, NY (US);
Bernard Schwartz, Hartsdale, NY (US);
Assignee:
International Business Machines Corporation, Armonk, NY (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B32B / ; C03C / ;
U.S. Cl.
CPC ...
428545 ; 428472 ; 428633 ; 428674 ; 501-5 ; 501-6 ; 501-7 ; 501-8 ; 501-9 ; 501 18 ; 501 32 ; 501104 ; 501105 ;
Abstract
A ceramic material suitable for packaging of large scale integrated circuits is produced by the process of forming a mixture of a powdered glass ceramic material which is a glassy precursor to cordierite ceramic material, formed by the steps which are as follows: