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:
Aug. 18, 1992
Filed:
Jan. 30, 1991
Fuji Electronic Corporation, Ltd., Kanagawa, JP;
Abstract
A voltage-dependent nonlinear resistor from a sintered composition of zinc oxide (ZnO) as a chief component and the following auxiliary components: a rare earth element; cobalt (Co); at least one of magnesium (Mg) and calcium (Ca); at least one of potassium (K), cesium (Cs) and rubidium (Rb); chromium (Cr); boron (B); at least one of aluminum (Al), gallium (Ga) and indium (In); and at least one of antimony (Sb), niobium (Nb), tungsten (W), tantalum (Ta) and phosphorus (P). A voltage-dependent nonlinear resistor from a sintered composition of zinc oxide (ZnO) as a chief component and the following auxiliary components: praseodymium (Pr); cobalt (Co); potassium (K); chromium (Cr); and at least one of antimony (Sb), niobium (Nb) and tungsten (W).