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    • 125. 发明专利
    • Thermally conductive insulation sheet, metal base substrate and circuit board
    • 导热绝缘片,金属基底板和电路板
    • JP2012253167A
    • 2012-12-20
    • JP2011123971
    • 2011-06-02
    • Denki Kagaku Kogyo Kk電気化学工業株式会社
    • MIYATA KENJIYAMAGATA TOSHITAKA
    • H05K1/05B32B9/00H01B3/00H01L23/12H01L23/373H05K7/20
    • PROBLEM TO BE SOLVED: To provide a thermally conductive insulation sheet exhibiting excellent insulation and heat dissipation, and to provide a metal base substrate and a circuit board.SOLUTION: On one or a plurality of longitudinally oriented sheets 4 where hexagonal boron nitrides 2 are oriented in the thickness direction, one or a plurality of laterally oriented sheets 3 where hexagonal boron nitrides 2 are oriented in the width direction or the length direction are laminated to produce a thermally conductive insulation sheet 1. Total thickness of the longitudinally oriented sheets 4 is set thicker than the total thickness of the laterally oriented sheets 3. In addition, the thermally conductive insulation sheet 1 and a conductive layer are laminated, in this order, on a metal base material so that the laterally oriented sheet 3 is disposed on the conductor layer side thus obtaining a metal base substrate. Furthermore, a metal base circuit board is produced by processing the conductor layer of the metal base substrate.
    • 要解决的问题:提供一种绝缘性和散热性优异的导热绝缘片,提供金属基底基板和电路基板。 解决方案:在六方硼氮化物2沿厚度方向取向的一个或多个纵向取向片材4上,一个或多个横向取向片材3,其中六角形氮化硼2沿宽度方向或长度 方向层叠以制造导热绝缘片1.纵向取向片材4的总厚度被设定为比横向取向片材3的总厚度厚。此外,导热绝缘片材1和导电层被层压, 在金属基材上,使横向取向片3配置在导体层侧,得到金属基底。 此外,通过处理金属基底基板的导体层来制造金属基底电路板。 版权所有(C)2013,JPO&INPIT
    • 128. 发明专利
    • Dielectric ceramic composition and ceramic electronic component
    • 电介质陶瓷组合物和陶瓷电子元件
    • JP2012232892A
    • 2012-11-29
    • JP2012141898
    • 2012-06-25
    • Tdk CorpTdk株式会社
    • KOMATSU KAZUHIROHOSHI YOICHIROYOSHIKAWA SHUHEISUEDA YUICHIRO
    • C04B35/468H01B3/00H01B3/12H01G4/12H01G4/30
    • PROBLEM TO BE SOLVED: To provide a dielectric ceramic composition which exhibits good properties even when a dielectric layer is made thin.SOLUTION: The dielectric ceramic composition contains, as a main component, a compound having a perovskite type crystal structure represented by BaTiO, and contains, as subsidiary components, in terms of respective elements with respect to 100 moles of the compounds, 0.6-2.0 moles of an oxide of Mg, 0.010-0.6 mole of an oxide of Mn and/or Cr, 0.010-0.2 mole of an oxide of at least one selected from V, Mo and W, 0.10-1.0 mole of an oxide of R1 (R1 is at least one selected from Y, Yb, Er and Ho), 0.10-1.0 mole of an oxide of R2 (R2 is at least one selected from Dy, Gd and Tb), and 0.2-1.5 moles of a component comprising an oxide of Ba and/or an oxide of Ca and an oxide of Si.
    • 要解决的问题:为了提供即使当电介质层变薄时也表现出良好性能的电介质陶瓷组合物。 解决方案:介电陶瓷组合物以BaTiO 3 为代表的具有钙钛矿型晶体结构的化合物作为主要成分,含有作为辅助成分的术语 的相应元素相对于100摩尔化合物,0.6-2.0摩尔Mg的氧化物,0.010-0.6摩尔的Mn和/或Cr的氧化物,0.010-0.2摩尔的选自V的至少一种的氧化物 ,Mo和W为0.10-1.0摩尔的R1的氧化物(R1为选自Y,Yb,Er和Ho中的至少一种),0.10-1.0摩尔的R2的氧化物(R2为选自Dy, Gd和Tb)和0.2-1.5摩尔包含Ba的氧化物和/或Ca的氧化物和Si的氧化物的组分的组分。 版权所有(C)2013,JPO&INPIT