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. 06, 1988
Filed:
Nov. 26, 1986
Applicant:
Inventors:
Eric A Barringer, Waltham, MA (US);
Roger S Lind, Acton, MA (US);
Charles E Swain, Boston, MA (US);
Ellen S Tormey, Tyngsboro, MA (US);
Assignee:
Ceramics Process Systems Corp., Cambridge, MA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ; C04B / ;
U.S. Cl.
CPC ...
428702 ; 156 89 ; 264 61 ; 501153 ; 428469 ; 4284722 ; 428689 ; 428699 ;
Abstract
Substrates consisting of at least 98% narrow size distribution ceramic particles are co-sinterable with metallized paste to which selected compositions of glass have been added. Substrates produced in accordance with the present invention exhibit superior thermal conductivity, low shrinkage variability, and smoother and more homogeneous surface finish.