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公开(公告)号:EP3202748A1
公开(公告)日:2017-08-09
申请号:EP17155005.6
申请日:2017-02-07
申请人: TDK Corporation
IPC分类号: C04B35/468 , H01L41/187 , H01C7/02
CPC分类号: C04B35/4682 , C04B2235/3201 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3229 , C04B2235/3239 , C04B2235/3251 , C04B2235/3298 , C04B2235/5445 , C04B2235/782 , C04B2235/784 , C04B2235/786 , C04B2235/96 , H01C7/025 , H01L41/1871
摘要: A semiconductor ceramic composition which is a BaTiO 3 based semiconductor ceramic composition, wherein, part of Ba is replaced by at least A (at least one alkali metal element selected from Na and K), Bi and RE (at least one element selected from rare earth elements including Y), and part of Ti is replaced by at least TM (at least one element selected from the group including of V, Nb and Ta), the relationships of 0.7≤ {(the content of Bi) / (the content of A)}≤1.43, 0.017≤{(the content of Bi) + (the content of A)}≤0.25, and 0
摘要翻译: 一种半导体陶瓷组合物,它是一种BaTiO3基半导体陶瓷组合物,其中部分Ba被至少一种A(选自Na和K中的至少一种碱金属元素),Bi和RE(至少一种选自稀土 元素包括Y),并且部分Ti被至少TM(选自V,Nb和Ta中的至少一种元素)代替,0.7≤{(Bi含量)/( A)}≤1.43,0.017≤{(Bi含量)+(A含量)}≤0.25时,满足0 <{(RE含量)+(TM含量)}≤0.01 Ti和TM的总含量设定为1mol,晶粒尺寸在1.1μm至4.0μm或更小的范围内具有最大的粒度分布峰值,并且峰值的分布频率为20%或更高。