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    • 2. 发明公开
    • 전기화학적 마이그레이션이 억제되는 은 합금 접점 및 그제조 방법
    • 用于抑制电化学迁移的AG接触及其制造方法
    • KR1020080021400A
    • 2008-03-07
    • KR1020060084776
    • 2006-09-04
    • 현대자동차주식회사
    • 남영민
    • H01H1/021H01H1/0237H01H1/023H01H1/02
    • An Ag-alloyed contact point for constraining an electrochemical migration and a method for manufacturing the same are provided to implement an efficient and economical migration prevention by forming a palladium oxide layer through a heat processing after forming a palladium plating layer on a contact point surface using a pulse plating method. A method for manufacturing an Ag-alloyed contact point for constraining an electrochemical migration includes the steps of: forming a palladium plating layer(2) on a surface of a contact point(1) manufactured by an Ag-alloy through a pulse plating method; and forming a palladium oxide layer(3) on the surface of the contact point from the palladium thin film by performing a heat process. The palladium plating layer is formed with at least 1 micrometer thickness to acquire an effective thickness of the palladium oxide layer for constraining an electrochemical migration after performing the heat process. The heat process is performed at 650-700‹C for five minutes.
    • 提供一种用于限制电化学迁移的Ag合金接触点及其制造方法,以通过在接触点表面上形成钯电镀层之后通过热处理形成氧化钯层来实现有效和经济的迁移防止,其中使用 脉冲电镀法。 用于制造用于限制电化学迁移的Ag合金化接触点的方法包括以下步骤:通过脉冲电镀法在由Ag合金制成的接触点(1)的表面上形成钯镀层(2); 以及通过进行热处理从钯薄膜在接触点的表面上形成氧化钯层(3)。 钯镀层形成至少1微米厚,以获得用于在执行热处理之后限制电化学迁移的氧化钯层的有效厚度。 加热过程在650-700℃进行5分钟。
    • 7. 发明公开
    • 연료전지용 금속분리판의 표면층 및 이의 형성방법
    • 用于燃料电池的金属双极板的表面层及其制造方法
    • KR1020090013874A
    • 2009-02-06
    • KR1020070077977
    • 2007-08-03
    • 현대자동차주식회사
    • 남영민
    • H01M8/02
    • H01M8/0228C25D3/12C25D3/50C25D5/12C25D5/18H01M8/021Y02E60/50
    • A surface layer of a metal bipolar plate for a fuel cell is provided to reduce the process costs in a low-temperature process and to ensure excellent anticorrosion property and low contact resistance. A surface layer of a metal bipolar plate for a fuel cell includes a nickel layer(11), a nickel oxide layer (11a) and a conductive layer. The nickel layer is a diffusion stopper layer for preventing the diffusion of chrome nitride on the surface of a base material and is formed on the surface of a base material(10) for a metal bipolar plate. The nickel oxide layer is an inner oxide layer and is formed by locally heating the surface of a palladium layer formed on the nickel layer with the excimer laser and oxidizing the upper part of the nickel layer. The conductive layer comprises a palladium oxide(12a) locally formed in the palladium layer and the palladium(12) which is not oxidized.
    • 提供了用于燃料电池的金属双极板的表面层,以降低低温工艺中的工艺成本并且确保优异的耐腐蚀性和低接触电阻。 用于燃料电池的金属双极板的表面层包括镍层(11),氧化镍层(11a)和导电层。 镍层是用于防止氮化铬在基材表面扩散的扩散阻挡层,并形成在用于金属双极板的基材(10)的表面上。 氧化镍层是内部氧化物层,并且通过用准分子激光器局部加热形成在镍层上的钯层的表面并氧化镍层的上部而形成。 导电层包括在钯层中局部形成的氧化钯(12a)和未被氧化的钯(12)。
    • 9. 发明公开
    • 피스톤 스커트부 표면처리방법
    • 活塞裙的表面处理方法
    • KR1020120053896A
    • 2012-05-29
    • KR1020100115249
    • 2010-11-18
    • 현대자동차주식회사
    • 남영민김율구박현달조성문
    • F02F3/10F16J1/04
    • PURPOSE: A method for treating a surface of a piston skirt portion is provided to improve the fuel efficiency and wear resistances with reduced frictional forces by forming patterns evenly on a resin coating layer of the piston skirt portion. CONSTITUTION: A method for treating a surface of a piston skirt portion is as follows. Resin coating liquids are spread on the surface of the piston skirt so the surface of the piston is coated with the resin The resin coating liquid contains diamond particles of 0.1~10wt% from PTFE(Poly Tetra Fluore Ethylene) solutions. Patterns(300) are formed on the surface of a resin coated layer(200).
    • 目的:提供一种处理活塞裙部表面的方法,以通过在活塞裙部的树脂涂层上均匀地形成图案来提高具有减小的摩擦力的燃料效率和耐磨性。 构成:用于处理活塞裙部的表面的方法如下。 树脂涂层液体分散在活塞裙面的表面,活塞表面涂有树脂树脂涂层液含有PTFE(聚四氟乙烯)溶液为0.1〜10wt%的金刚石颗粒。 在树脂涂层(200)的表面上形成图案(300)。