客服热线:18202992950

SEMICONDUCTOR PORCELAIN COMPOSITION, POSITIVE TEMPERATURE COEFFICIENT ELEMENT, AND HEAT-GENERATING 发明申请

2023-05-14 2730 1266K 0

专利信息

申请日期 2025-09-15 申请号 KR1020147004339
公开(公告)号 KR1020140089334A 公开(公告)日 2014-07-14
公开国别 KR 申请人省市代码 全国
申请人 HITACHI METALS LTD
简介 The present invention provides a semiconductor ceramic composition which is represented by a composition formula of [(Bi-A) x (Ba 1-y R y ) 1-x ](Ti 1-z M z ) a O 3 (in which A is at least one kind of Na, Li and K, R is at least one kind of rare earth elements (including Y), and M is at least one kind of Nb, Ta and Sb), in which a, x, y and z satisfy 0.90‰¤a‰¤1.10, 0


您还没有登录,请登录后查看下载地址


反对 0举报 0 收藏 0 打赏 0评论 0
下载排行
网站首页  |  关于我们  |  联系方式  |  使用协议  |  版权隐私  |  网站地图  |  排名推广  |  广告服务  |  积分换礼  |  网站留言  |  RSS订阅  |  违规举报  |  京ICP备2021025988号-4