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公开(公告)号:US06551522B2
公开(公告)日:2003-04-22
申请号:US09778080
申请日:2001-02-07
申请人: Masakazu Hirose , Takeo Tsukada , Hitoshi Oka , Junji Terauchi
发明人: Masakazu Hirose , Takeo Tsukada , Hitoshi Oka , Junji Terauchi
IPC分类号: C04B35453
CPC分类号: C04B35/475 , C04B2235/3205 , C04B2235/3213 , C04B2235/3224 , C04B2235/3225 , C04B2235/3227 , C04B2235/3262 , C04B2235/3275 , C04B2235/604 , C04B2235/72 , C04B2235/78 , C04B2235/786 , C04B2235/81 , C04B2235/96 , H01L41/187
摘要: Piezoelectric ceramics include a bismuth layer compound containing MII, Bi, Ti, Ln and O, wherein MII represents at least one element selected from the group consisting of Sr, Ba and Ca, and Ln represents at least one element selected from the group consisting of lanthanoids. The piezoelectric ceramics include MIIBi4Ti4O15 typed crystals, and a mole ratio of Ln/(Ln+MII) is 0
摘要翻译: 压电陶瓷包括含有MII,Bi,Ti,Ln和O的铋层化合物,其中MII表示选自Sr,Ba和Ca中的至少一种元素,Ln表示选自以下的至少一种元素: 镧系元素。 压电陶瓷包括MIIBi4Ti4O15型晶体,Ln /(Ln + MII)的摩尔比为0
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公开(公告)号:US06461532B1
公开(公告)日:2002-10-08
申请号:US09696960
申请日:2000-10-27
申请人: Hitoshi Oka , Masakazu Hirose , Yasuo Watanabe , Junji Terauchi
发明人: Hitoshi Oka , Masakazu Hirose , Yasuo Watanabe , Junji Terauchi
IPC分类号: C04B35462
CPC分类号: H01L41/187 , C04B35/475
摘要: A piezoelectric ceramic material comprising a bismuth layer compound containing MII, Bi, Ti and O wherein MII is selected from Sr, Ba and Ca, and containing MIIBi4Ti4O15 type crystals, wherein MII, is represented by SrxBayCaz wherein x+y+z=1, utilizes thickness shear vibration when 0≦x≦ 1, 0≦y≦0.9, and 0≦z≦1, and thickness extensional vibration when 0≦x
摘要翻译: 一种包含含有MII,Bi,Ti和O的铋层化合物的压电陶瓷材料,其中MII选自Sr,Ba和Ca,并含有MIIBi4Ti4O15型晶体,其中MII由SrxBayCaz表示,其中x + y + z = 1, 当0 <= x <= 1,0 <= y <= 0.9,0 <= z <= 1时使用厚度剪切振动,当0 <= x <0.9,0 <= y <= 0.9时, 0 <= z <1。 还提供了包含含有Ca,Bi,Ti,Ln和0的铋层化合物的压电陶瓷材料,其中Ln是镧系元素,并且含有CaBi 4 Ti 4 O 15型晶体,其中原子比Ln /(Ln + Ca)在以下范围内: 0
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