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:
Jan. 11, 1994
Filed:
Sep. 19, 1991
Applicant:
Inventors:
Hironori Kodama, Hitachi, JP;
Masahide Okamoto, Hitachi, JP;
Hideo Suzuki, Katsuta, JP;
Satoru Ogihara, Hitachi, JP;
Tadahiko Moyoshi, Hitachi, JP;
Fumiyuki Kobayashi, Sagamihara, JP;
Assignee:
Hitachi, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C04B / ; B32B / ;
U.S. Cl.
CPC ...
156 89 ; 156288 ; 264 61 ; 264241 ; 264320 ;
Abstract
A method of producing a sintered multi-layer ceramic body used for ceramic parts of various electronic devices such as multi-layer substrates for LSI packaging and highly functional structural materials and by applying a pressure and/or constraining force to an outermost surface of the laminate. The method is featured by the shape of the surfaces to which a pressure and/or constraining force are not applied, ranges of the pressure and/or the constraining force, and the like.