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:
May. 14, 1991
Filed:
Jan. 04, 1989
Mituru Fujii, Hadano, JP;
Tadamichi Asai, Ibaraki, JP;
Toshio Ogawa, Katsuta, JP;
Osamu Ito, Hitachi, JP;
Akira Ikegami, Hitachi, JP;
Mitsuru Hasegawa, Hitachi, JP;
Takao Kobayashi, Hitachi, JP;
Teizo Tamura, Katsuta, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A substrate for hybrid IC which comprises a substrate, a thick film resistor containing glass, formed on the substrate, and a thick film conductor at the terminal of the thick film resistor, where a means for preventing diffusion of the glass from the thick film resistor into the thick film conductor is provided between the thick film resistor and the thick film conductor has a stable resistance as a thick film microresistor and is applied to various uses such as cellular radio communication system.