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    • 1. 发明专利
    • VACUUM PROCESSOR
    • JP2001023908A
    • 2001-01-26
    • JP19346599
    • 1999-07-07
    • TEXAS INSTRUMENTS JAPANKOBE STEEL LTD
    • OKADA KOICHIONISHI KEITAONO KEIICHIROHAYASHI KOICHIHISAMOTO ATSUSHI
    • H01L21/302C23C14/00C23C16/44C23F4/00F16K51/02H01L21/205H01L21/3065
    • PROBLEM TO BE SOLVED: To improve the corrosion resistance of a sealing surface in a vacuum processor and abbreviate its processing manhours, by forming on the sealing surface of the portion of aluminum-based constituent members abutting against each other therein the film subjected to an oxalic-acid anodic oxidation processing which has a specific surface roughness and film thickness. SOLUTION: As the material of a gate valve 8 of a vacuum processor, e.g. an aluminum alloy material of Japanese Industrial Standards A6061 is used, and prior to its anodic oxidation processing, its processing condition is so selected that the surface roughness (Ry) of a sealing surface 8a of the gate valve 8 is made not larger than 1.6 μm. Also, in the case of such a severely used condition as the gate valve 8, a film thickness not smaller than 5 μm, preferably a film thickness of 20-50 μm is given to the sealing surface 8a to achieve its function. In comparison with the film subjected to a sulphuric-acid anodic oxidation processing, the film subjected to an oxalicacid anodic oxidation processing exhibits excellent characteristics in corrosion and abrasion resistances, and especially, in such a case as the sealing surface 8a receiving a repeated stress, the latter film exhibits largely the effect of its abrasion resistance.
    • 2. 发明专利
    • Aluminum alloy member having excellent low staining property
    • 具有优异的低污染性能的铝合金构件
    • JP2010209367A
    • 2010-09-24
    • JP2009053390
    • 2009-03-06
    • Kobe Steel Ltd株式会社神戸製鋼所
    • HOSOKAWA MAMORUTSUBOTA TAKAYUKIWADA KOJIHISAMOTO ATSUSHI
    • C25D11/04C23C16/44
    • PROBLEM TO BE SOLVED: To provide an aluminum alloy member having low staining property and coping with low staining need recently growing regardless of a component composition of the aluminum alloy used for a base material even when an aluminum alloy having special component composition requiring time and labor in the manufacture is not adopted.
      SOLUTION: The aluminum alloy member has an anodized film formed on the surface of a base material comprising the aluminum alloy. The anodized film has a porous layer in which barrier thickness between pores is ≤30 nm, in the depth of ≥1 μm from the surface side of the film. The barrier thickness between the pores is >30 nm and the barrier layer thickness is ≥5 μm in the region of the base material side except for the porous layer of the surface side.
      COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使当具有特殊组分组成要求的铝合金,即使是具有特殊组成成分的铝合金,即使是用于基材的铝合金的组分组成,也可以提供一种低染色性的铝合金构件, 制造时间和劳动力不被采用。 解决方案:铝合金构件具有在包含铝合金的基材的表面上形成的阳极氧化膜。 阳极氧化膜具有多孔层,其中孔之间的阻挡层厚度≤30nm,距膜的表面侧的深度≥1μm。 除了表面侧的多孔层之外,在基材侧的区域中,孔之间的阻挡层厚度> 30nm,阻挡层厚度≥5μm。 版权所有(C)2010,JPO&INPIT
    • 3. 发明专利
    • Titanium base material for fuel cell separator, fuel cell separator, and method for manufacturing fuel cell separator
    • 用于燃料电池分离器,燃料电池分离器的钛基材料和制造燃料电池分离器的方法
    • JP2009289511A
    • 2009-12-10
    • JP2008139034
    • 2008-05-28
    • Kobe Steel Ltd株式会社神戸製鋼所
    • SATO TOSHIKISUZUKI JUNITO YOSHINORITANIFUJI SHINICHIHISAMOTO ATSUSHI
    • H01M8/02C22C14/00C22F1/00C22F1/18C23C14/14H01M8/10
    • Y02P70/56
    • PROBLEM TO BE SOLVED: To provide a titanium base material for a fuel cell separator for maintaining low contact resistance for a long period even though a titanium plate with high carbon density on the surface is used, a fuel cell separator using the base material, and its manufacturing method. SOLUTION: The titanium base material 1 for the fuel cell separator is used for a fuel cell separator 11 having a noble metal film 12, and includes the titanium plate 2 made of pure titanium wherein carbon density having bonding energy of 280-284 eV measured by a X-ray photoelectron spectroscopic analysis from the surface to designated depth is 5 atom% or more, or a titanium alloy, a metal film 3 of film thickness of 15-500 nm formed on the surface of the titanium plate 2 and made of one or more metals selected from titanium and zirconium, and an oxide film 4 formed on the surface of the metal film 3 and made of metal oxide. COPYRIGHT: (C)2010,JPO&INPIT
    • 要解决的问题:即使使用表面具有高碳密度的钛板,为了提供长时间保持低接触电阻的燃料电池用隔板的钛基材料,也可以使用基材 材料及其制造方法。 解决方案:用于燃料电池隔板的钛基材1用于具有贵金属膜12的燃料电池隔板11,并且包括由纯钛制成的钛板2,其中碳密度的键合能为280-284 通过从表面到指定深度的X射线光电子能谱分析测得的eV为5原子%以上,或钛合金,在钛板2的表面上形成膜厚度为15〜500nm的金属膜3, 由选自钛和锆的一种或多种金属制成,以及形成在金属膜3的表面上并由金属氧化物制成的氧化物膜4。 版权所有(C)2010,JPO&INPIT
    • 4. 发明专利
    • Steel for ship having excellent corrosion resistance
    • 具有优良耐腐蚀性能的钢
    • JP2009209412A
    • 2009-09-17
    • JP2008053914
    • 2008-03-04
    • Kobe Steel Ltd株式会社神戸製鋼所
    • SAKASHITA SHINJITATSUMI AKIHIKOYOSHIDA SEIJIHISAMOTO ATSUSHI
    • C22C38/00B63B25/08C22C38/58
    • PROBLEM TO BE SOLVED: To provide a steel for a ship, which has excellent corrosion resistance of a practically usable level even without applying coating and other corrosion protection means such as electric anticorrosion to the inside of the steel, and is particularly useful as a material for a tanker oil tank or the like. SOLUTION: The steel for a ship comprises, by mass, 0.01 to 0.20% C, 0.1 to 0.5% Si, 0.6 to 1.8% Mn, 0.0005 to 0.02% P, 0.0005 to 0.01% S, 0.01 to 0.10% Al, 0.1 to 0.5% Ni, 0.01 to 0.3% Cr, 0.001 to 0.05% Ti, 0.0003 to 0.004% Ca and 0.0020 to 0.008% N, and the balance iron with inevitable impurities. COPYRIGHT: (C)2009,JPO&INPIT
    • 要解决的问题:为了提供一种用于船舶的钢,其即使不对钢内部施加电镀等腐蚀保护手段也具有实际可用水平的优异的耐腐蚀性,并且特别有用 作为油罐油罐等的材料。 解决方案:船用钢质量含有0.01〜0.20%的C,0.1〜0.5%的Si,0.6〜1.8%的Mn,0.0005〜0.02%的P,0.0005〜0.01%的S,0.01〜0.10%的Al ,0.1〜0.5%的Ni,0.01〜0.3%的Cr,0.001〜0.05%的Ti,0.0003〜0.004%的Ca和0.0020〜0.008%的N,余量为铁与不可避免的杂质。 版权所有(C)2009,JPO&INPIT
    • 6. 发明专利
    • Method of evaluating durability of aluminum alloy electrode
    • 评价铝合金电极耐久性的方法
    • JP2008111179A
    • 2008-05-15
    • JP2006296420
    • 2006-10-31
    • Kobe Steel Ltd株式会社神戸製鋼所
    • WADA KOJITSUBOTA TAKAYUKIHISAMOTO ATSUSHIITO HIROTAKA
    • C25D11/04H01L21/3065
    • PROBLEM TO BE SOLVED: To provide a method of evaluating the durability of an aluminum alloy electrode by which whether the variation of etching characteristics (etching shape or etching speed) on the surface of a treated is easily or hardly caused in the anodically oxidized aluminum alloy electrode using a dry etching apparatus is predicted without practically using the aluminum alloy electrode.
      SOLUTION: (1) The method of evaluating the durability of the aluminum alloy electrode is carried out by holding the electrode at 120-200°C for ≥1 hr before being dipped into a hydrochloric acid aqueous solution and after that the variation of leak current distribution on the surface of the electrode is measured. (2) The hydrochloric acid aqueous solution having ≥10° temperature is used in the durability evaluation method, (3) The hydrochloric acid aqueous solution having ≥0.1 mass% concentration and so on is used in the durability evaluation method.
      COPYRIGHT: (C)2008,JPO&INPIT
    • 要解决的问题:提供一种评价铝合金电极的耐久性的方法,其中在阳极处理中容易或几乎不引起处理的表面上的蚀刻特性(蚀刻形状或蚀刻速度)的变化 在实际使用铝合金电极的情况下预测使用干式蚀刻装置的氧化铝合金电极。 (1)铝合金电极的耐久性评价方法是将电极在120〜200℃下保持1小时,然后浸渍在盐酸水溶液中,之后, 测量电极表面的漏电流分布。 (2)在耐久性评价方法中使用温度≥10℃的盐酸水溶液,(3)在耐久性评价方法中使用浓度≥0.1质量%的盐酸水溶液等。 版权所有(C)2008,JPO&INPIT
    • 7. 发明专利
    • Welded joint and welded structure excellent in corrosion resistance
    • 焊接接头和焊接结构优良的耐腐蚀性
    • JP2007069265A
    • 2007-03-22
    • JP2006216083
    • 2006-08-08
    • Kobe Steel Ltd株式会社神戸製鋼所
    • SAKASHITA SHINJIHISAMOTO ATSUSHIYAMASHITA TORU
    • B23K35/30B23K9/23B23K103/04B23K103/16C22C38/00C22C38/30C22C38/60
    • PROBLEM TO BE SOLVED: To provide a welded joint and a welded structure which are excellent in corrosion resistance under environment where they are exposed to salt caused by seawater and high temperature and high humidity and environment which contains sulphur which comes from oil or the like without applying painting and electric corrosion protection especially the welded joint and the welded structure which are raised in the corrosion resistance to local corrosion and crevice corrosion. SOLUTION: In this welded joint, mutual base metal is welded and the welded joint satisfies under formula (1). 0.30 ≤ [A]/[B] ≤ 3.0 ... (1). In formula, [A] means the content (wt.%) of a corrosion protective film component which is contained in the weld metal in the welded part and [B] means the content (wt.%) of a corrosion protective film component which is contained in the base metal. As the corrosion protective film component, (i) Co and Mg, (ii) Se, (iii) Al, Cu and Cr, and (iv)Zn are listed. COPYRIGHT: (C)2007,JPO&INPIT
    • 要解决的问题:提供一种焊接接头和焊接结构,其在由海水暴露于盐的环境中具有优异的耐腐蚀性,并且其由含有来自油的硫的高温高湿环境组成, 不需要涂漆和电腐蚀保护,特别是焊接接头和焊接结构,其耐腐蚀性高于局部腐蚀和缝隙腐蚀。

      解决方案:在该焊接接头中,焊接相互的基底金属,焊接接头满足公式(1)。 0.30≤[A] / [B]≤3.0...(1)。 在式中,[A]表示焊接部的焊接金属中含有的腐蚀保护膜成分的含量(重量%),[B]表示腐蚀保护膜成分的含量(重量%), 被包含在贱金属中。 作为防腐保护膜成分,列出了(i)Co和Mg,(ii)Se,(iii)Al,Cu和Cr,(iv)Zn。 版权所有(C)2007,JPO&INPIT