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. 23, 1999
Filed:
Sep. 19, 1997
Applicant:
Inventors:
Walter Roethlingshoefer, Reutlingen, DE;
Annette Seibold, Rutesheim, DE;
Susumu Nishigaki, Nagoya, JP;
Assignee:
Robert Bosch GmbH, Stuttgart, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C04B / ;
U.S. Cl.
CPC ...
501137 ; 252572 ; 501138 ; 501139 ;
Abstract
A high-dielectric lead-free paste serves for the manufacture of at least one area having a high dielectric constant in a ceramic multilayer circuit. The lead-free dielectric paste is basically made of barium titanate nano powder of a suitable particle size and sinters at temperatures below 1000.degree. C., preferably in a range of 800.degree. C. to 1000.degree. C.