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    • 3. 发明申请
    • Hot rolled steel sheet excellent in chemical convertibility and method of production of the same
    • 化学可转换性优异的热轧钢板及其制造方法
    • US20070138138A1
    • 2007-06-21
    • US10578145
    • 2004-11-04
    • Teruki HayashidaMasahiro Ohara
    • Teruki HayashidaMasahiro Ohara
    • C22C38/00B44C1/22C03C15/00C23F1/00
    • C23G1/085C22C38/02C22C38/04C23C22/78C23G1/08
    • The present invention provides a high strength hot rolled steel sheet raised in Si content, wherein a conversion coating can be formed homogeneously over the entire surface of the steel sheet, no new step is added in the production of the steel sheet, and quality control is also facilitated, comprising, by mass %, C: 0.03 to 0.15%, Si: 0.8 to 3.0%, Mn: 0.5 to 3.0%, P: 0.07% or less, S: 0.01% or less, Al: 0.015 to 0.1%, N: 0.001 to 0.008%, and, if necessary, having Ti, Nb, etc. added, the oxides on the steel sheet surface having an Si concentration of 3.5% or less and an Mn concentration of 3.5% or less. Preferably, the average roughness Ra is 3.0 μm or less and the pitting due to pickling is an average of 5 or less in 10 μn side squares. The scale after the hot rolling is washed off by dipping the sheet in a solution having an HCl concentration of 7 to 15% and an Fe ion concentration of 4 to 12% at a solution temperature of 80 to 98° C. for 40 sec or more.
    • 本发明提供一种以Si含量升高的高强度热轧钢板,其中可以在钢板的整个表面上均匀地形成转化涂层,在钢板的生产中不添加新的步骤,并且质量控制是 还以质量%计含有C:0.03〜0.15%,Si:0.8〜3.0%,Mn:0.5〜3.0%,P:0.07%以下,S:0.01%以下,Al:0.015〜0.1% ,N:0.001〜0.008%,如果需要,添加Ti,Nb等,钢板表面的氧化物的Si浓度为3.5%以下,Mn浓度为3.5%以下。 平均粗糙度Ra优选为3.0μm以下,并且在10个方形中,酸洗时的点蚀平均值为5以下。 在80〜98℃的溶液温度下将片材浸渍在HCl浓度为7〜15%,Fe离子浓度为4〜12%的溶液中洗涤40秒后,将其洗去, 更多。
    • 4. 发明授权
    • Hot rolled steel sheet excellent in chemical convertibility and method of production of the same
    • 化学可转换性优异的热轧钢板及其制造方法
    • US07820099B2
    • 2010-10-26
    • US10578145
    • 2004-11-04
    • Teruki HayashidaMasahiro Ohara
    • Teruki HayashidaMasahiro Ohara
    • C22C38/04C22C38/00C22C38/14C22C38/12C25F3/00
    • C23G1/085C22C38/02C22C38/04C23C22/78C23G1/08
    • The present invention provides a high strength hot rolled steel sheet raised in Si content, wherein a conversion coating can be formed homogeneously over the entire surface of the steel sheet, no new step is added in the production of the steel sheet, and quality control is also facilitated, comprising, by mass %, C: 0.03 to 0.15%, Si: 0.8 to 3.0%, Mn: 0.5 to 3.0%, P: 0.07% or less, S: 0.01% or less, Al: 0.015 to 0.1%, N: 0.001 to 0.008%, and, if necessary, having Ti, Nb, etc. added, the oxides on the steel sheet surface having an Si concentration of 3.5% or less and an Mn concentration of 3.5% or less. Preferably, the average roughness Ra is 3.0 μm or less and the pitting due to pickling is an average of 5 or less in 10 μn side squares. The scale after the hot rolling is washed off by dipping the sheet in a solution having an HCl concentration of 7 to 15% and an Fe ion concentration of 4 to 12% at a solution temperature of 80 to 98° C. for 40 sec or more.
    • 本发明提供一种以Si含量升高的高强度热轧钢板,其中可以在钢板的整个表面上均匀地形成转化涂层,在钢板的生产中不添加新的步骤,并且质量控制是 还以质量%计含有C:0.03〜0.15%,Si:0.8〜3.0%,Mn:0.5〜3.0%,P:0.07%以下,S:0.01%以下,Al:0.015〜0.1% ,N:0.001〜0.008%,如果需要,添加Ti,Nb等,钢板表面的氧化物的Si浓度为3.5%以下,Mn浓度为3.5%以下。 优选地,平均粗糙度Ra为3.0μm以下,并且由于酸洗引起的点蚀在10μn的正方形中为5以下的平均值。 在80〜98℃的溶液温度下将片材浸渍在HCl浓度为7〜15%,Fe离子浓度为4〜12%的溶液中洗涤40秒后,将其洗去, 更多。
    • 5. 发明申请
    • Antenna device and communications system using the same
    • 天线设备和使用该天线设备的通信系统
    • US20070091003A1
    • 2007-04-26
    • US11507591
    • 2006-08-22
    • Masahiro Ohara
    • Masahiro Ohara
    • H01Q1/32H01Q7/08
    • H01Q1/32H01Q1/36
    • An antenna made by winding a coil on the periphery of a rod-like core made of a magnetic material is housed inside a pillar having a relatively small width and disposed in a manner such that its axis line is nearly orthogonal to the vertical axis line of the pillar. With this arrangement, a predetermined communication range is secured as the electromagnetic waves radiated from the antenna are barely absorbed by the vehicle body and radiated to inside the cabin as well as to the outside. Accordingly, an inexpensive antenna device and a communications system using it are provided which enable communication with a portable device inside and outside a vehicle cabin using a single antenna.
    • 通过将线圈缠绕在由磁性材料制成的棒状芯体的周围而制成的天线被容纳在具有相对较小宽度的支柱内,并且以这样的方式设置,使得其轴线几乎与垂直轴线垂直 支柱。 利用这种布置,由于从天线辐射的电磁波几乎不被车体吸收并辐射到舱内以及外部,所以确保了预定的通信范围。 因此,提供廉价的天线装置和使用它的通信系统,其能够使用单个天线与车厢内部和外部的便携式装置进行通信。
    • 8. 发明授权
    • Noiseless dispersion electroluminescent device and switch unit using same
    • 无噪声色散电致发光器件和使用其的开关单元
    • US5818174A
    • 1998-10-06
    • US808645
    • 1997-02-28
    • Masahiro OharaMasaru KuwaharaMasayuki Yahagi
    • Masahiro OharaMasaru KuwaharaMasayuki Yahagi
    • H05B35/00H01H9/16H01H13/702H05B33/08H05B33/12G09G3/12
    • H01H13/702H05B33/12H01H2219/018H01H2239/004
    • A dispersion electroluminescent device and a switch unit using the same are disclosed. The dispersion electroluminescent device includes three electrodes: first and second electrode layers and a common electrode layer. The common electrode layer is disposed between the first and second electrode layers. An electroluminescent layer and a first dielectric layer are disposed between the first electrode layer and the common electrode layer. A second dielectric layer is disposed between the common electrode layer and the second electrode layer. A voltage source applies first and second ac or dc pulse voltages, which are 180.degree. out of phase with each other, across the first electrode layer and the common electrode layer and across the common electrode layer and the second electrode layer, respectively, for canceling mechanical vibrations produced at the first and second dielectric layers by each other.
    • 公开了一种分散电致发光器件和使用其的开关单元。 该分散电致发光器件包括三个电极:第一和第二电极层和公共电极层。 公共电极层设置在第一和第二电极层之间。 电致发光层和第一介电层设置在第一电极层和公共电极层之间。 第二电介质层设置在公共电极层和第二电极层之间。 电压源分别跨越第一电极层和公共电极层并跨越公共电极层和第二电极层施加彼此相差180度的第一和第二交流或直流脉冲电压,用于抵消 在第一和第二电介质层彼此产生的机械振动。