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. 07, 1999
Filed:
Jun. 30, 1997
Michael A Cohn, Ramsey, NJ (US);
Jon A Casey, Poughkeepsie, NY (US);
Christopher N Collins, Poughkeepsie, NY (US);
Robert A Rita, Wappingers Falls, NY (US);
Robert J Sullivan, Pleasant Valley, NY (US);
Adrienne M Tirch, Poughkeepsie, NY (US);
Leslie J Wiands, Hyde Park, NY (US);
Ryan W Wuthrich, Fishkill, NY (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
Greensheets having enhanced flexibility and strength are prepared from a greensheet casting composition comprising alumina or other ceramic having a mean particle size of less than about 1 micron and being substantially unimodal, a binder resin, a solvent system and a plasticizer. The greensheets may be formed having a thickness of about 50 microns using conventional greensheet fabricating devices. The greensheets are particularly suitable as dielectric layers for internal layer capacitors in a multilayer ceramic substrate. A preferred co-sintering heating profile to avoid blistering of the MLC package is also provided to form the capacitor containing MLC.