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    • 42. 发明授权
    • Heat-treating method for improving wear-resistance and corrosion-resistance of chromium-plated steel substrate
    • 用于提高镀铬钢基材的耐磨性和耐腐蚀性的热处理方法
    • US06846367B2
    • 2005-01-25
    • US10364832
    • 2003-02-11
    • Kee-Seok NamSik-Cheol KwonDo-Yon ChangKyu-Hwan LeeMan KimDong-Soo KimGun-Hwan Lee
    • Kee-Seok NamSik-Cheol KwonDo-Yon ChangKyu-Hwan LeeMan KimDong-Soo KimGun-Hwan Lee
    • C21D1/74C23C8/02C23C8/34C23C8/30
    • C23C8/34C23C8/02
    • Disclosed is a method for improving the wear- and corrosion-resistance of a chromium-plated steel substrate by heat-treating the chromium-plated steel substrate under optimum conditions to inhibit a drop in corrosion-resistance of a steel substrate due to fine cracks formed at a chromium layer, and to improve a hardness of the chromium layer. The heat-treating method comprises the steps of: plating the chromium layer onto the steel substrate; and heating the chromium-plated steel substrate in an oxidizing gas environment at above atmospheric pressure to form oxidized layers containing magnetite (Fe3O4) on the surface of the steel substrate, the surface of the steel substrate being partly exposed to the air through penetrating cracks formed in the chromium layer.In accordance with the heat-treating method, the chromium-plated steel substrate having excellent corrosion- and wear-resistance can be easily obtained by plating chromium onto the steel substrate, followed by oxidizing the chromium-plated steel substrate. In addition, the heat-treating method contributes to fewer defects, low manufacturing costs and long life span of chromium plating-related products.
    • 公开了一种通过在最佳条件下对镀铬钢基材进行热处理以抑制由于细小裂纹形成的钢基材的耐腐蚀性降低而提高耐磨性和耐腐蚀性的方法 在铬层上,并提高铬层的硬度。 热处理方法包括以下步骤:将铬层镀在钢基材上; 在高于大气压的氧化气体环境中加热镀铬钢基材,在钢基材表面形成含有磁铁矿(Fe3O4)的氧化层,钢基材的表面通过形成的穿透裂纹部分地暴露在空气中 在铬层中。根据热处理方法,通过在钢基材上镀铬,然后氧化镀铬钢基材,可以容易地获得耐腐蚀和耐磨性优异的镀铬钢基材。 此外,热处理方法有助于减少镀铬相关产品的缺陷,低制造成本和长的使用寿命。
    • 48. 发明授权
    • Adsorbent gas scrubber to dispose the gas generated during the semiconductor manufacturing process
    • 用于处理在半导体制造过程中产生的气体的吸附剂气体洗涤器
    • US06544483B1
    • 2003-04-08
    • US09276229
    • 1999-03-25
    • Dong-Soo Kim
    • Dong-Soo Kim
    • B01D5304
    • B01D53/0446B01D53/0454B01D53/8659B01D2253/102B01D2253/104B01D2258/0216B01D2259/40084
    • An adsorbent gas scrubber is provided in which the processing efficiency of the gas generated during semiconductor manufacturing can be increased, as the idle time of the system is reduced. The above mentioned object and other objects are accomplished by an adsorbent gas scrubber in accordance with aspects of the present invention which comprise an induction tube being connected to a gas inlet attached with a first pressure gauge for measuring a pressure of the entered gas, and an adsorbent case placed adjacent to the induction tube. The adsorbent case contains a layered arrangement of multiple catalytic-adsorbent members which adsorb the gas that flows from the induction tube to a gas outlet attached with a second pressure gauge for measuring pressure of the processed gas being discharged. A series of gas passage tubes placed at the bottom portion of the induction tube and the adsorbent case supply gas to the catalytic-adsorbent members. A gas passage means controls the flow of gas that comes in from the induction tube such that the gas is either allowed to or blocked from flowing into each catalytic-adsorbent members placed in the adsorbent case, based on the pressure difference between the first pressure gauge and the second pressure gauge.
    • 提供一种吸附气体洗涤器,其中随着系统的空闲时间的减少,可以增加在半导体制造期间产生的气体的处理效率。 上述目的和其它目的通过根据本发明的吸附气体洗涤器实现,该吸附气体洗涤器包括一个感应管,该感应管连接到一个气体入口,该气体入口连接有第一压力计,用于测量进入的气体的压力, 吸附壳放置在感应管附近。 吸附剂盒包含多个催化吸附剂组件的层叠布置,其吸附从感应管流出的气体到附接有第二压力计的气体出口,用于测量被排出的被处理气体的压力。 放置在感应管的底部的一系列气体通道管和吸附剂壳供给催化吸附剂的气体。 气体通道装置控制从感应管进入的气体的流动,使得气体被允许或阻止流入放置在吸附剂壳体中的每个催化吸附剂构件中,基于第一压力计 和第二压力表。