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2. 发明公开

EP2873745A1 WIRE FOR REED SWITCH, REED PIECE FOR REED SWITCH, AND REED SWITCH 审中-公开
标题翻译：用于REED开关的电线，用于REED开关的簧片和REED开关
公开(公告)号：EP2873745A1
公开(公告)日：2015-05-20
申请号：EP13816309.2
申请日：2013-07-09
申请人： Sumitomo Electric Industries, Ltd.
发明人： OTA, Hajime , NISHIKAWA, Taichiro , YAMAZAKI, Kazuo , TOKUDA, Takeshi , KAWANO, Norimasa
IPC分类号： C22C19/07 , H01H1/02 , H01H11/04
CPC分类号： H01H1/0201 , C22C19/07 , C22F1/10 , H01H1/66 , H01H36/0006 , H01H51/282 , Y10T428/12
摘要： A reed switch 10 includes a cylindrical glass tube 30 and a plurality of reeds 20 fixed to the glass tube 30 in a state where an end side including a contact point portion 22 of each of the reeds 20 is inserted in the glass tube 30. The reeds 20 are each produced by forming, by plastic working, a contact point portion 22 on an end side of a wire for a reed switch. The wire for a reed switch is composed of an iron-group alloy containing, by percent by mass, 1% or more and 10% or less of Fe, 10% or more and 35% or less of Ni, and the balance being Co and impurities and having a cubic crystal structure. The wire has a Curie temperature of 900°C or higher and a wire diameter of 1 mm or less. The wire is composed of a ternary alloy having a particular composition. Therefore, the wire has a high Curie temperature, a low resistance, and a particular structure and thus has good workability.
摘要翻译：簧片开关10包括圆柱形玻璃管30和在包括每个簧片20的接触点部分22的端侧插入玻璃管30中的状态下固定到玻璃管30的多个簧片20。每个簧片20都是通过塑性加工形成簧片开关导线端侧的接触点部分22而制成的。用于簧片开关的导线由铁基合金构成，所述铁基合金以质量百分比计含有1％以上且10％以下的Fe，10％以上且35％以下的Ni，其余为Co 和杂质并具有立方晶体结构。该线具有900℃或更高的居里温度和1mm或更小的线直径。导线由具有特定组成的三元合金构成。因此，该线具有高居里温度，低电阻和特定结构，因此具有良好的可加工性。

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