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:
Jul. 07, 2009
Filed:
May. 19, 2003
Takaaki Chosokabe, Aichi, JP;
Masaki Iwaya, Aichi, JP;
Naoki Yamada, Aichi, JP;
Wakako Takano, Aichi, JP;
Takaaki Chosokabe, Aichi, JP;
Masaki Iwaya, Aichi, JP;
Naoki Yamada, Aichi, JP;
Wakako Takano, Aichi, JP;
NGK Spark Plug Co., Ltd., Aichi, JP;
Abstract
A sintered body for thermistor element of the invention is a sintered body for thermistor element containing Sr, Y, Mn, Al, Fe, and O, wherein not only respective liquid crystal phases of a perovskite type oxide and a garnet type oxide are contained, but also a liquid crystal phase of at least one of an Sr—Al based oxide and an Sr—Fe based oxide. FeYOand/or AlYOis selected as the foregoing perovskite type oxide, and at least one member selected from YAlO, AlFeYO, and AlFeYOis selected as the foregoing garnet type oxide, respectively by the powder X-ray diffraction analysis.