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    Semiconductive ceramic composition and semiconductive ceramic device using the same
    3.
    发明授权
    Semiconductive ceramic composition and semiconductive ceramic device using the same 失效
    半导体陶瓷组合物和半导体陶瓷器件使用相同

    公开(公告)号：US5703000A

    公开(公告)日：1997-12-30

    申请号：US796916

    申请日：1997-02-06

    申请人： Akinori Nakayama ,  Terunobi Ishikawa ,  Hiroshi Takagi ,  Yukio Sakabe

    发明人： Akinori Nakayama ,  Terunobi Ishikawa ,  Hiroshi Takagi ,  Yukio Sakabe

    IPC分类号： C04B35/00 ,  H01C7/04 ,  C04B35/50

    CPC分类号： H01C7/043

    摘要： Provided is a semiconductive ceramic composition comprising a lanthanum cobalt oxide and having a negative resistance-temperature characteristic, which contains, as the side component, a chromium oxide in an amount of from about 0.005 to 30 mol % in terms of chromium, and also a semiconductive ceramic device comprising the composition. The device is usable for rush current inhibition, for motor start-up retardation and for halogen lamp protection, and is also usable in temperature-compensated crystal oscillators.

    摘要翻译： 本发明提供一种包含氧化镧钴并具有负电阻温度特性的半导体陶瓷组合物，其含有以铬计为0.005〜30摩尔％左右的铬氧化物作为副成分， 包含该组合物的半导体陶瓷装置。 该装置可用于冲击电流抑制，电机启动延迟和卤素灯保护，也可用于温度补偿晶体振荡器。

    Auxiliary agent for sintering ceramic material
    7.
    发明授权
    Auxiliary agent for sintering ceramic material 失效
    陶瓷材料烧结助剂

    公开(公告)号：US4988650A

    公开(公告)日：1991-01-29

    申请号：US370464

    申请日：1989-06-23

    申请人： Hiroshi Takagi ,  Yukio Sakabe

    发明人： Hiroshi Takagi ,  Yukio Sakabe

    IPC分类号： C04B35/16 ,  H01G4/12

    CPC分类号： C04B35/16 ,  H01G4/12

    摘要： An auxiliary agent for sintering ceramics comprises a basic composition consisting essentially of (a) 5 to 40 mol % of at least two oxides selected from the group consisting of ZnO, SnO and MnO, the sum of the contents of ZnO and MnO being not less than 5 mol %, (b) 5 to 40 mol % of at least one metal oxide expressed by the general formula: RO where R is at least one element selected from the group consisting of Ba, Sr, Ca and Mg, and (c) 30 to 70 mol % of (Ti, Si)O.sub.2, the content of SiO.sub.2 being not less than 15 mol %. The auxiliary agent may contain at least one additive selected from the group consisting of Al.sub.2 O.sub.3, B.sub.2 O.sub.3, CuO, Nb.sub.2 O.sub.5, Ta.sub.2 O.sub.5, Ga.sub.2 O.sub.3, GeO.sub.2, Y.sub.2 O.sub.3, ZrO.sub.2, WO.sub.3, MoO.sub.2, Fe.sub.2 O.sub.3, CoO, NiO, PbO and Bi.sub.2 O.sub.3. The total content of the additive is not more than 20 parts by weight per 100 parts by weight of the basic composition, and the content of at least one metal oxide selected from the group consisting of Y.sub.2 O.sub.3, ZrO.sub.2, WO.sub.3, MoO.sub.2, Fe.sub.2 O.sub.3, CoO, NiO, PbO and Bi.sub.2 O.sub.3 should be not more than 10 parts by weight per 100 parts by weight of the basic composition. The auxiliary agent may further contain 2 to 45 mol % of Li.sub.2 O. SnO and MnO may be omitted from the basic composition.

    摘要翻译： 用于烧结陶瓷的辅助剂包括基本上由（a）5至40mol％的选自ZnO，SnO和MnO的至少两种氧化物组成的碱性组合物，ZnO和MnO的含量之和不小于 （b）5-40摩尔％的由通式RO表示的至少一种金属氧化物，其中R是选自Ba，Sr，Ca和Mg中的至少一种元素，和（c ）30〜70摩尔％的（Ti，Si）O 2，SiO 2的含量不小于15摩尔％。 辅助剂可以含有选自Al 2 O 3，B 2 O 3，CuO，Nb 2 O 5，Ta 2 O 5，Ga 2 O 3，GeO 2，Y 2 O 3，ZrO 2，WO 3，MoO 2，Fe 2 O 3，CoO，NiO，PbO和Bi 2 O 3中的至少一种添加剂。 添加剂的总含量相对于100重量份的碱性组合物为20重量份以下，并且选自Y 2 O 3，ZrO 2，WO 3，MoO 2，Fe 2 O 3，CoO中的至少一种金属氧化物的含量 ，NiO，PbO和Bi2O3的含量应不超过10重量份/ 100重量份的基本组成。 辅助剂还可以含有2〜45摩尔％的Li 2 O。 SnO和MnO可以从基本组成中省略。

    Dielectric paste
    8.
    发明授权
    Dielectric paste 失效
    电介质糊

    公开(公告)号：US4987108A

    公开(公告)日：1991-01-22

    申请号：US169394

    申请日：1988-03-09

    申请人： Hiroshi Takagi ,  Yoshiaki Mori ,  Hiroji Tani ,  Yukio Sakabe

    发明人： Hiroshi Takagi ,  Yoshiaki Mori ,  Hiroji Tani ,  Yukio Sakabe

    IPC分类号： C04B35/46 ,  C03C14/00 ,  C04B35/49 ,  C04B35/63 ,  C04B41/50 ,  C09D5/25 ,  H01B3/12 ,  H01G4/12 ,  H05K1/03

    CPC分类号： C04B41/009 ,  C03C14/004 ,  C04B35/49 ,  C04B35/6316 ,  C04B41/5041 ,  H01G4/1245 ,  H05K1/0306 ,  C03C2214/04 ,  C04B2111/00844

    摘要： A dielectric paste for fabrication of multilayer ceramic substrates containing capacitive circuits. The paste comprises a dielectric powder composed of a dielectric material and a vitreous binder suspended in an organic vehicle. The dielectric material consists essentially of a composition expressed by the general formula:{(Ba.sub.1-x-y-z Sr.sub.x Ca.sub.y Mg.sub.z)O}.sub.m .multidot.(Ti.sub.1-u Zr.sub.u)O.sub.2wherein x, y, z, u and m take values within the following respective ranges: 0.ltoreq.x

    摘要翻译： 一种用于制造含有电容电路的多层陶瓷基片的电介质浆料。 该糊料包括由介电材料和悬浮在有机载体中的玻璃粘合剂组成的电介质粉末。 电介质材料基本上由以下通式表示的组成：{（Ba1-xy-zSrxCayMgz）O} mx（Ti1-uZru）O2，其中x，y，z，u和m取值在以下各自的范围内：0 0.25，1 <1.03，玻璃质粘合剂基本上由以下组成表示： 通式：αLi 2 O xβBaO xγB 2 O 3 x（1-α-β-γ）SiO 2其中α，β和γ是各成分的摩尔比，取值在以下各自的范围内：0 <α<0.25， 0.1 <0.5,0.1 <γ<0.5和0.3 <α+β+γ<0.8。 电介质粉末中的玻璃态粘合剂的含量为5重量％以上且小于40重量％以下。

    Dielectric ceramic composition
    9.
    发明授权
    Dielectric ceramic composition 失效
    电介质陶瓷组合物

    公开(公告)号：US5073523A

    公开(公告)日：1991-12-17

    申请号：US578629

    申请日：1990-09-06

    申请人： Masayuki Yamada ,  Hiroaki Ichikawa ,  Tadashi Morimoto ,  Yasuyuki Naito ,  Hiroshi Takagi ,  Harufumi Mandai ,  Yukio Sakabe

    发明人： Masayuki Yamada ,  Hiroaki Ichikawa ,  Tadashi Morimoto ,  Yasuyuki Naito ,  Hiroshi Takagi ,  Harufumi Mandai ,  Yukio Sakabe

    IPC分类号： C04B35/46 ,  C04B35/47 ,  H01B3/12 ,  H01G4/12

    CPC分类号： H01G4/129 ,  C04B35/47 ,  H01B3/12

    摘要： A dielectric ceramic composition consists essentially of 80 to 99.7 wt % of a main component of a system, SrTiO.sub.3 -PbTiO.sub.3 -CaTiO.sub.3 -Bi.sub.2 O.sub.3 -TiO.sub.2 -SnO.sub.2, at least one oxide of rare earth elements incorporated therein as an additive in an amount of 0.1 to 5.0 wt % in terms of Re.sub.2 O.sub.3 (where Re is at least one rare element selected from the group consisting of Nd, La, Ce, Pr and Sm), and 0.2 to 15 wt % of a vitreous component. The main component consists essentially of 20.0 to 50.0 wt % of SrTiO.sub.3, 8.0 to 37.6 wt % of PbTiO.sub.3, 3.2 to 33.9 wt % of CaTiO.sub.3, 4.4 to 35.2 wt % of Bi.sub.2 O.sub.3, 2.5 to 13.6 wt % of TiO.sub.2 and 0.2 to 12.0 wt % of SnO.sub.2. The vitreous component consists essentially of 10 to 45 mol % of Li.sub.2 O, 5 to 40 mol % of at least one oxide selected from the group consisting of BaO, MgO, CaO and SrO, 0.2 to 10 mol % of Al.sub.2 O.sub.3, 30 to 70 mol % of at least two oxide selected from the group consisting of SiO.sub.2, MnO.sub.2 and TiO.sub.2, the content of SiO.sub.2 in the vitreous component being not less than 15 mol % at least, and 1 to 35 mol % of CuO.

    摘要翻译： 电介质陶瓷组合物基本上由80-99.7重量％的体系主要成分SrTiO3-PbTiO3-CaTiO3-Bi2O3-TiO2-SnO2组成，至少一种掺入其中的稀土元素氧化物作为添加剂的量为0.1 以Re 2 O 3（其中，Re为选自Nd，La，Ce，Pr和Sm中的至少一种稀有元素）为5.0重量％，以及0.2〜15重量％的玻璃质成分。 主成分基本上由20.0〜50.0重量％的SrTiO 3，8.0〜37.6重量％的PbTiO 3，3.2〜33.9重量％的CaTiO 3，4.4〜35.2重量％的Bi 2 O 3，2.5〜13.6重量％的TiO 2和0.2〜12.0重量％ ％的SnO2。 玻璃质成分基本上由10〜45摩尔％的Li 2 O，5〜40摩尔％的选自BaO，MgO，CaO和SrO中的至少一种氧化物，0.2〜10摩尔％的Al 2 O 3，30〜70摩尔 ％的至少两种选自SiO 2，MnO 2和TiO 2的氧化物，玻璃状组分中SiO 2的含量至少为15mol％以及1〜35mol％的CuO。

    Method of producing a multi-layer ceramic substrate
    10.
    发明授权
    Method of producing a multi-layer ceramic substrate 失效
    多层陶瓷基板的制造方法

    公开(公告)号：US06241838B1

    公开(公告)日：2001-06-05

    申请号：US09140705

    申请日：1998-08-26

    申请人： Sadaaki Sakamoto ,  Hirofumi Sunahara ,  Hiroshi Takagi ,  Yukio Sakabe

    发明人： Sadaaki Sakamoto ,  Hirofumi Sunahara ,  Hiroshi Takagi ,  Yukio Sakabe

    IPC分类号： B32B3126

    CPC分类号： H05K1/186 ,  H01L23/5383 ,  H01L2924/0002 ,  H01L2924/09701 ,  H05K1/0306 ,  H05K1/16 ,  H05K3/4629 ,  H05K2201/10636 ,  Y02P70/611 ,  Y10T29/435 ,  Y10T29/49163 ,  H01L2924/00

    摘要： A method of producing a multi-layer ceramic substrate involves the steps of preparing compact blocks including a raw ceramic functional material to be the passive component, preparing a raw composite laminated member having a plurality of laminated ceramic green sheets containing a ceramic insulating material and wiring conductors and preliminarily providing spaces in the inside such that the compact blocks fit into the spaces, arranging sheet type bases made from a raw ceramic not sintered at the baking temperature of the composite laminated member on the principal plane at both ends with respect to the lamination direction of the raw composite laminated member, baking the raw composite laminated member with the raw composite laminated member interposed by the sheet type bases so as to restrain the contraction at a temperature not more than about 1000° C., and eliminating the unsintered sheet type bases.

    摘要翻译： 制造多层陶瓷基板的方法包括以下步骤：制备包括作为被动元件的原料陶瓷功能材料的致密块，制备具有多个层压陶瓷生片的原始复合层压元件，所述层压陶瓷生片包含陶瓷绝缘材料和布线 导体，并且预先在内部提供空间，使得紧凑块嵌入空间中，将由未在复合层压构件的烘烤温度下烧结的未烧结陶瓷制成的片状基底相对于层压体在两端设置在主平面上 方向，将原料复合层叠体用原料复合层叠体烘干，将片材类型的基材进行烘烤，以抑制不高于约1000℃的温度的收缩，除去未烧结的片状 基地