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    • 27. 发明公开
    • Wiring board and capacitor to be built into wiring board
    • 接线板和电容器要嵌入到接线板中
    • EP1691590A2
    • 2006-08-16
    • EP06002669.7
    • 2006-02-09
    • NGK Spark Plug Co., Ltd.
    • Muramatsu, MasakiYuri, ShinjiUrashima, KazuhiroYamamoto, HiroshiSeki, ToshitakeSato, Motohiko
    • H05K1/14H05K1/18H05K1/02H01G4/224
    • H01G2/06H01L23/49822H01L23/49838H01L23/50H01L24/10H01L2224/0554H01L2224/05568H01L2224/05573H01L2224/16225H01L2224/16235H01L2924/00014H01L2924/01012H01L2924/0102H01L2924/01078H01L2924/01079H01L2924/09701H01L2924/12042H01L2924/14H01L2924/1423H01L2924/15174H01L2924/15311H01L2924/3011H05K1/0231H05K1/185H05K3/4602H05K2201/10674H05K2201/10712H01L2924/00H01L2224/05599H01L2224/0555H01L2224/0556
    • An intermediate board (200) has a board core composed of a core main body (100m) and a sub-core portion (1). The core main body (100m) is formed into a plate shape by a macromolecular material, and is formed with a sub-core housing portion (100h) which is opened and formed on a first main surface by reducing its thickness. The sub-core portion (1) is formed into a plate shape by ceramic, and is housed in the sub-core housing portion (100h) so that its thicknesswise direction matches with that of the core main body (100m). A first terminal array (5) of the board core (100) is formed in a position where it overlaps the sub-core portion (1) in orthographic projection to a reference surface parallel with a plate surface of the board core (100) . The sub-core portion (1) incorporates a laminated ceramic capacitor where a first electrode conductor layer (54), a ceramic layer (52) and a second electrode conductor layer (57) are laminated periodically in this order. The first electrode conductor layer is conductive with a first side first type terminal (5a) and a second side first type terminal (7a). The ceramic layer is composed of a dielectric layer. The second electrode conductor layer is conductive with a first side second type terminal (5b) and a second side second type terminal (7b). In the sub-core housing portion (100h), an inner edge of the cross section along a plane parallel with a plate surface of the sub-core portion (1) has a quadrate shape, and a radius portion with dimension of not less than 0.1 mm to not more than 2 mm is formed on its corners.
    • 中间板(200)具有由芯主体(100m)和子芯部(1)构成的板芯。 芯主体(100m)由高分子材料形成为板状,并且形成有通过减小其厚度而在第一主表面上开口并形成的子芯容纳部(100h)。 子核心部分(1)通过陶瓷形成为板状,并且以其厚度方向与核心主体(100m)的厚度方向相匹配的方式容纳在子核心壳体部分(100h)中。 所述板芯(100)的第一端子阵列(5)以与所述板芯(100)的板面平行的基准面正交投影的方式形成在与所述子芯部(1)重叠的位置。 子核心部分(1)结合了层压陶瓷电容器,其中第一电极导体层(54),陶瓷层(52)和第二电极导体层(57)按此顺序周期性层压。 第一电极导体层与第一侧第一类型端子(5a)和第二侧第一类型端子(7a)导电。 陶瓷层由电介质层构成。 第二电极导体层与第一侧面第二类型端子(5b)和第二侧面第二类型端子(7b)导电。 在子核心容纳部(100h)中,沿着与子核心部(1)的板面平行的平面的截面的内边缘具有方形形状,并且具有不小于 在其角上形成0.1毫米至不大于2毫米。
    • 28. 发明公开
    • High-voltage through-type ceramic capacitor
    • 高压穿心式陶瓷电容器
    • EP0878812A1
    • 1998-11-18
    • EP98108760.4
    • 1989-06-03
    • TDK Corporation
    • Sasaki, SetsuoTaguchi, TeruoFujiwara, Isao
    • H01G4/35H01G4/224
    • H01G4/35H01C1/02H01J23/15
    • A high-voltage through-type ceramic capacitor which is capable of exhibiting satisfactory heat resistance sufficient to ensure good operability of the capacitor even under severe conditions and being positively small-sized while ensuring its satisfactory operation.
      In one embodiment the insulating case (54) is constituted by a thermoplastic inner case member (54A) and a thermosetting outer case member (54B).
      In an other embodiment the insulating case (54) comprises a thermosetting upper case member (86) of a larger diameter, and a thermoplastic lower case member (88). The ceramic dielectric (32) is encapsulated in insulating resin material (58) poured in said insulating case (54). The capacitor further includes an insulating cover (56) and a ground fitment (40) interposedly arranged between said insulating case (54) and said insulating cover (56).
    • 本发明提供一种高电压贯通型陶瓷电容器,即使在恶劣的条件下也能够确保足够的耐热性,确保电容器的良好的操作性,并且能够确保良好的动作并且小型化。 在一个实施例中,绝缘壳体(54)由热塑性内壳体部件(54A)和热固性外壳体部件(54B)构成。 在另一个实施例中,绝缘盒(54)包括较大直径的热固性上壳体部件(86)和热塑性下壳体部件(88)。 陶瓷电介质(32)被封装在注入所述绝缘壳体(54)中的绝缘树脂材料(58)中。 该电容器还包括绝缘盖(56)和插置在所述绝缘壳体(54)和所述绝缘盖(56)之间的接地附件(40)。