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    • 11. 发明申请
    • METHOD FOR SURFACE TREATMENT OF A DIE-CASTING DIE
    • 用于表面处理模具的方法
    • US20130042992A1
    • 2013-02-21
    • US13634679
    • 2011-05-11
    • Yasushi HiraokaYuji Kobayashi
    • Yasushi HiraokaYuji Kobayashi
    • B22C9/12B22D17/22
    • C23C8/80C23C8/24C23C8/26C23C8/28C23C8/30C23C8/32C23C8/34C23C8/36C23C8/38
    • The present invention is to provide a method for surface treatment that substantially provides no nitride compound layer that causes heat checks and abrasion to a die, while nitride is introduced in large quantities into the die internally, and as a result a die-casting die with excellent heat check resistance and excellent abrasion resistance can be produced. The method comprises a step of a nitriding process for forming on an aesthetic surface of the die-casting die a nitrided layer that includes at least a compound layer composed of a nitrogen compound by introducing gas containing at least ammonia gas to a heating furnace, a step of decomposing the compound by exhausting the ammonia gas from the heating furnace and for introducing ambient gas to the heating furnace, to carry out a thermal process to decompose the nitrogen compound, and a step of processing a shot peening process on the aesthetic surface of the die. The thickness of the compound layer contained in the nitrogen layer that is formed in the step of nitriding process is within the range of from 2∫m to 7∫m.
    • 本发明提供一种用于表面处理的方法,其基本上不提供对模具进行热检查和磨损的氮化物化合物层,而氮化物在内部大量引入模具中,因此具有 可以产生优异的耐热检查性和优异的耐磨性。 该方法包括氮化过程的步骤,用于在压铸模的美观表面上形成氮化层,该氮化层至少包括由氮化合物构成的化合物层,通过将至少含有氨气的气体引入加热炉, 通过从加热炉排出氨气并将环境气体引入加热炉来分解化合物的步骤,进行热处理以分解氮化合物,以及在美观表面上处理喷丸处理步骤 死了 在氮化工序中形成的氮层中所含的化合物层的厚度为2μm〜7μm的范围。
    • 13. 发明申请
    • MACHINE FOR BLASTING ABRASIVES
    • 喷砂机
    • US20120252327A1
    • 2012-10-04
    • US13499355
    • 2010-11-22
    • Yuji KobayashiTakeyoshi Nakata
    • Yuji KobayashiTakeyoshi Nakata
    • B24C9/00
    • B24C9/00B24C3/22
    • The object of the present invention is to provide a machine for blasting abrasives that has a simple structure and that solves the problem of abrasives falling when the door for the gateway for the work is opened or closed. The machine for blasting abrasives comprises a chamber 11 for processing, a nozzle 13 that is provided within the chamber 11 for shooting the abrasives (shots) S onto the work W, and a jig 15 for holding the work W at a position facing the nozzle 13. A gateway 17 with a door 19 is formed in the ceiling 11a of the chamber 11. The size of the gateway 17 enables the work W to protrude from the chamber 11 by means of the jig 15 at a position corresponding to the jig 15 that is linearly moving up and down. The door 19 is provided within the chamber 11 so as to seal the gateway by linearly moving up and down and so as to create a vacant plane on the gateway for passing the work by horizontally moving.
    • 本发明的目的是提供一种具有简单结构的用于喷砂的磨料机,并且解决了当打开或关闭作业用的门的门时磨损物掉落的问题。 用于喷砂研磨机的机器包括用于加工的腔室11,设置在腔室11内用于将磨料(射击)S射到工件W上的喷嘴13以及用于将工件W保持在面对喷嘴的位置的夹具15 具有门19的网关17形成在室11的顶板11a中。网关17的尺寸使得工件W能够通过夹具15在与夹具15相对应的位置处从室11突出 这是线性上下移动。 门19设置在腔室11内,以便通过线性地上下移动来密封网关,以便在网关上创建一个空的平面以通过水平移动使工作通过。
    • 19. 发明授权
    • Pattern evaluation method, manufacturing method of semiconductor device, correction method of mask pattern and manufacturing method of exposure mask
    • 图案评价方法,半导体装置的制造方法,掩模图案的校正方法以及曝光掩模的制造方法
    • US07569403B2
    • 2009-08-04
    • US11132397
    • 2005-05-19
    • Yuji Kobayashi
    • Yuji Kobayashi
    • G01R31/26
    • H01L22/14H01L2924/0002H01L2924/00
    • A pattern evaluation method using a circuit arrangement provided with N (N is a natural number of 2 or greater) circuit groups having wiring whose widths are different to each other, each circuit group including first to Mth circuits having first to Mth (M is a natural number of 2 or greater) wiring formed of a conductive layer, respectively, each of the first to the Mth wiring having the same width that is electrically measurable, the pattern evaluation method includes:arranging patterns to be evaluated so that the Mth wiring or a layer in the vicinity thereof is locally removed; electrically calculating a first characteristic value indicating a characteristic of the first circuit including at least the wiring width of the first wiring; electrically calculating an Mth characteristic value which is a value indicating the characteristic of the Mth circuit and dependent on a geometric relationship between the pattern to be evaluated and the Mth wiring; and evaluating the characteristic of the pattern to be evaluated based on the first characteristic value to the Mth characteristic value obtained for at least two circuit groups of the N circuit groups.
    • 使用具有N(N为2以上的自然数)个电路组的电路装置的模式评估方法,所述电路组具有宽度彼此不同的布线,每个电路组包括具有第一至第M个的第一至第M电路(M为 分别由导电层形成的自然数为2或更大的布线,第一至第M布线中的每一个具有可电测量的相同宽度,图案评估方法包括:布置要评估的图案,使得第M布线或 其附近的层被局部去除; 电计算表示第一电路的特性的第一特征值,该第一特性值至少包括第一布线的布线宽度; 电计算第M特性值,其是表示第M个电路的特性并取决于待评估的图案与第M布线之间的几何关系的值; 以及基于所述N个电路组的至少两个电路组获得的所述第一特征值与所述第M特性值来评估要评估的图案的特性。
    • 20. 发明申请
    • Shot-Peening Process
    • 喷丸处理
    • US20080202183A1
    • 2008-08-28
    • US11921928
    • 2006-06-12
    • Yuji Kobayashi
    • Yuji Kobayashi
    • C21D7/06
    • B24C1/10B24C11/00Y10T29/479
    • A method of shot peening in which with respect to a carburized and quenched metal part, only its surface abnormal layer detrimental to the fatigue strength thereof is scraped without scraping of the martensitic structure underlying the surface abnormal layer, namely, in which the fatigue strength can be rendered stable and enhanced without surface cracking. As bombardment shot, use is made of a shot with hardness higher than that (first hardness) of the surface abnormal layer occurring at a surface layer portion of metal part prior to shot peening but lower than that (second hardness) of the martensitic structure.
    • 一种喷丸硬化方法,其中相对于渗碳淬火的金属部件,只有其不利于其疲劳强度的表面异常层被刮去,而不会刮擦表面异常层下面的马氏体结构,即其中疲劳强度可以 使之稳定和增强,无表面开裂。 作为轰击射击,使用硬度高于在喷丸硬化之前在金属部件的表面层部分发生但低于马氏体结构的(第二硬度)的表面异常层的(第一硬度)的喷丸。