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Title:
【発明の名称】感温素子材料の製造方法
Document Type and Number:
Japanese Patent JPH0817247
Kind Code:
B2
Abstract:
PURPOSE:To achieve high density and improved orientation properties by adding metal fine grain powder to a pin rearray type ferromagnetic substance with a low transition temperature band. CONSTITUTION:A mixed particle between a fine grain powder consisting of a spin rearray type ferromagnetic substance 10 whose transition temperature band is lower than room temperature (approximately 25 deg.C) and a metal fine grain powder 12 such as Al, Si,V, Fe, Co, and Mo is formed at room temperature within magnetic field. After that, the transition temperature band is shifted to a higher temperature side by sintering to form a temperature-sensitive magnetic body 14 where the direction of the axis of easy magnetization becomes parallel to the direction of C axis of crystal exceeding room temperature. The spin rearray type ferromagnetic substance is selected from materials expressed by for example RM2 (R: rare-earth elements, M: compound between metals where Co is replaced by third element, 4.4<=Z<=5.5). Also. the mixture ratio of the metal fine grain powder 12 is 0.05-1. 1mol in reference to a spin rearray type ferromagnetic substance 101mol. It achieves highconcentration and improved-orientation properties.

Inventors:
Kiyomiya Teruo
Kazuo Matsui
Kazuhiko Tachikawa
Yukimura Haruhiro
Application Number:
JP28298288A
Publication Date:
February 21, 1996
Filing Date:
November 09, 1988
Export Citation:
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Assignee:
Fuji Electric Chemical Co., Ltd.
International Classes:
G01K1/00; C22C1/04; H01L37/04; (IPC1-7): H01L37/04; C22C1/04; G01K1/00
Domestic Patent References:
JP6372852A
JP5847842B2
JP601940B2
Attorney, Agent or Firm:
Shigemi