Electrically isolated via in a multilayer ceramic package
    3.
    发明授权
    Electrically isolated via in a multilayer ceramic package 有权
    电绝缘通过多层陶瓷封装

    公开(公告)号:US06629367B2

    公开(公告)日:2003-10-07

    申请号:US09730959

    申请日:2000-12-06

    IPC分类号: H05K342

    摘要: A method for forming an electrically isolated via in a multilayer ceramic package and an electrical connection formed within the via are disclosed. The method includes punching a first via in a first layer, filling the first via with a cross-linkable paste, curing the paste to form an electrical insulator precursor and forming the via in the insulator precursor. The electrical connection formed includes an insulator made from a cross-linked paste supported by a substrate of a multilayer ceramic package and a conductive connection supported by the insulator.

    摘要翻译: 公开了一种在多层陶瓷封装中形成电隔离通孔的方法和形成在通孔内的电连接。 该方法包括在第一层中冲压第一通孔,用可交联的浆料填充第一通孔,固化糊料以形成电绝缘体前体并在绝缘体前体中形成通孔。 形成的电连接包括由多层陶瓷封装的衬底支撑的交联膏和由绝缘体支撑的导电连接器制成的绝缘体。

    Glass/Metal package and method for producing the same
    4.
    发明授权
    Glass/Metal package and method for producing the same 失效
    玻璃/金属包装及其制造方法

    公开(公告)号:US5877042A

    公开(公告)日:1999-03-02

    申请号:US697712

    申请日:1996-08-28

    摘要: A method of producing a glass/metal package where a glass portion of the package is built up around a provided leadframe (10) using applications of solderable and glass pastes (20) which are subsequently fired (30). The glass paste and leadframe are chosen to have similar coefficients of expansion and the leadframe is pretreated to degasify and control oxidation of the metal to promote glass adhesion to the leadframe and prevent microcracking at a glass/metal interface. A seal ring is applied to the glass paste (40) and a lid is attached to the seal ring (50). The package is used to provide an sealed inert internal environment for sensitive electronic components such as a piezoelectric element. The package may be configured for leaded or surface mounting (60).

    摘要翻译: 一种制造玻璃/金属封装的方法,其中使用随后烧制(30)的可焊接和玻璃浆料(20),围绕所提供的引线框架(10)构建封装的玻璃部分。 玻璃浆料和引线框架被选择为具有相似的膨胀系数,引线框架经预处理以对金属进行脱气和控制氧化,以促进玻璃与引线框架的粘附,并防止玻璃/金属界面的微裂纹。 将密封环施加到玻璃膏(40)上,并且将盖子附接到密封环(50)。 封装用于为诸如压电元件的敏感电子部件提供密封的惰性内部环境。 封装可以被配置为用于引线或表面安装(60)。

    Ceramic composition
    7.
    发明授权
    Ceramic composition 失效
    陶瓷组成

    公开(公告)号:US5821181A

    公开(公告)日:1998-10-13

    申请号:US630108

    申请日:1996-04-08

    摘要: Multiphase ceramic materials for use in multilayered device fabrication may be fabricated by providing novel glassy precursor materials of a preferred composition, with operable amounts of a non-glassy filler materials. The combined materials are fired at appropriate temperatures, so that a non-glassy anorthite type phase is formed. Material so fabricated is formed in a self-limiting process, in that reaction between the glassy precursor material and the non-glass filler material is terminated when one constituent of the glassy precursor material is fully consumed. The materials of the instant invention, fabricated according to the method disclosed herein, demonstrate excellent dielectric constant, and electrical loss characteristics.

    摘要翻译: 用于多层器件制造的多相陶瓷材料可以通过提供具有可操作量的非玻璃状填充材料的优选组合物的新型玻璃状前体材料来制造。 组合的材料在合适的温度下烧制,从而形成非玻璃状钙长石型相。 如此制造的材料以自限制方法形成,因为玻璃状前体材料和非玻璃填料之间的反应在玻璃状前体材料的一种成分被完全消耗时终止。 根据本文公开的方法制造的本发明的材料表现出优异的介电常数和电损耗特性。

    MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL
    10.
    发明申请
    MEMBRANE ELECTRODE ASSEMBLY FOR FUEL CELL 审中-公开
    用于燃料电池的膜电极组件

    公开(公告)号:US20080299431A1

    公开(公告)日:2008-12-04

    申请号:US11756997

    申请日:2007-06-01

    IPC分类号: H01M8/10

    摘要: A membrane electrode assembly comprises (a) a solid electrolyte polymer membrane; (b) an anode electrocatalyst layer disposed at one surface of the membrane and comprising a first electrocatalyst composition comprising carbon substrate particles and nanoparticles comprising an alloy of platinum and ruthenium disposed on the surface of the substrate particles; (c) a cathode electrocatalyst layer disposed at an opposite surface of the membrane, the cathode layer comprising a second electrocatalyst composition different from the first electrocatalyst composition and comprising carbon substrate particles and nanoparticles comprising platinum disposed on the surface of the substrate particles; and (d) gas diffusion layers disposed over each of the anode and cathode electrocatalyst layers. When operating in a direct methanol fuel cell with an active area of 25 cm2 and under conditions including a supply of 1M methanol to the anode electrocatalyst layer at a rate of 3 ml per minute, a supply of air to the cathode electrocatalyst layer at a rate of 400 sccm, the membrane electrode assembly provides an output voltage of 0.4 volt and a temperature of 70° C., provides a power output in excess of 120 mW/cm2 and a normalized performance in excess of 34 mW/mgPt.

    摘要翻译: 膜电极组件包括(a)固体电解质聚合物膜; (b)阳极电催化剂层,其设置在所述膜的一个表面,并且包含第一电极催化剂组合物,所述第一电催化剂组合物包含碳底物颗粒和纳米颗粒,所述纳米颗粒包含设置在所述基材颗粒表面上的铂和钌合金; (c)阴极电催化剂层,其设置在所述膜的相对表面处,所述阴极层包含不同于所述第一电催化剂组合物的第二电催化剂组合物,并且包含碳衬底颗粒和包含设置在所述衬底颗粒表面上的铂的纳米颗粒; 和(d)设置在每个阳极和阴极电催化剂层上的气体扩散层。 当在有效面积为25cm 2的直接甲醇燃料电池中并且在包括以每分钟3ml的速率向阳极电催化剂层供应1M甲醇的条件下操作时,以一定速率向阴极电催化剂层供应空气 膜电极组件提供0.4伏的输出电压和70℃的温度,提供超过120mW / cm 2的功率输出和超过34mW / mgPt的归一化性能。