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. 09, 2018
Filed:
Jan. 02, 2015
Epcos Ag, Munich, DE;
Yasuharu Miyauchi, Graz, AT;
Pavol Dudesek, Deutschlandsberg, AT;
Christian Faistauer, Frauental, AT;
Gerhard Fuchs, Steinerkirchen, AT;
Stefan Obermair, Stainz, AT;
Klaus-Dieter Aichholzer, Deutschlandsberg, AT;
Christian Block, Stainz, AT;
Sebastian Brunner, Graz, AT;
EPCOS AG, Munich, DE;
Abstract
A chip and a method for manufacturing a chip are disclosed. In an embodiment, the chip includes a varistor layer composed of zinc oxide, a multilayered electrode structure which realizes a varistor function in the varistor layer and at least two solderable or bondable external contacts on a first main surface of the varistor layer. The chip further includes a glass layer disposed on the first main surface leaving only the external contacts uncovered, wherein the glass layer includes, as main constituents, oxides of Si and/or Ge, B and K, which in total have at least 70% by weight of the constituents of the glass layer, and wherein the glass layer is substantially free of Al, Ga, Cr and Ti.