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    • 1. 发明申请
    • Optical disk apparatus and method for determining recording power for the same
    • 用于确定其记录功率的光盘装置和方法
    • US20080151710A1
    • 2008-06-26
    • US11895526
    • 2007-08-24
    • Mitsunori KobayashiToshio Shoji
    • Mitsunori KobayashiToshio Shoji
    • G11B7/00
    • G11B7/1263
    • In an optical disk apparatus and a method for determining the recording power for the same, for determining the optimum value of a laser power when recording data onto a high density optical disk, a test signal is recorded with changing the recording power Pw while fixing an erasing power Pe. Reproduction is made on the signal recorded so as to obtain a “β” value indicative of asymmetry of the reproduction signal to each the recording power. In this instance, the “β” value, or the optimal recording power Pwo is determined, with utilizing an area or region, being called APC region, which is provided in a part of the recording regions, which are divided into a large number thereof, each being made of a predetermined information recording unit (RUB), being unique to that disk, and further equalization thereof. Herein, the erasing power Pe to be fixed is determined from a result of measurement on a modulation factor, “M” value while recoding another test signal. Or, it may be determined in accordance with strategy information, which is determined for that optical disk in advance. Or, the erasing power Pe may be determined Pe0, irrespective of the optical disks.
    • 在用于确定其记录功率的光盘装置和方法中,为了在将数据记录到高密度光盘上时确定激光功率的最佳值,在修改记录功率Pw的同时记录测试信号 擦除电力Pe。 对所记录的信号进行再现,以获得指示再现信号对每个记录功率的不对称性的“β”值。 在这种情况下,使用被称为APC区域的区域或区域来确定“β”值或最佳记录功率Pwo,该区域或区域被设置在记录区域的一部分中,被分成大量 每个由预定的信息记录单元(RUB)制成,对于该盘是唯一的,并且进一步的均衡。 这里,从重新编码另一测试信号的调制因子“M”值的测量结果确定要固定的擦除功率Pe。 或者,可以根据预先为该光盘确定的策略信息来确定。 或者,可以确定擦除功率Pe Pe 0,与光盘无关。
    • 2. 发明授权
    • Recording device and recording method for optical recording medium
    • 光记录介质的记录装置和记录方法
    • US08203923B2
    • 2012-06-19
    • US12952977
    • 2010-11-23
    • Toshio ShojiMitsunori Kobayashi
    • Toshio ShojiMitsunori Kobayashi
    • G11B7/00
    • G11B7/0062G11B7/126
    • It is desired that the overshooting and undershooting of optical pulse waveforms of optical pickups included in optical disk devices be reduced to improve the quality of recording. Among pulses to be recorded, the trailing edge of each last pulse and the leading edge of the subsequent erase top pulse are made to almost coincide with each other. Ratio a/b, where a is the difference between erase top pulse power level Pet and erasing power level Pe and b is the difference between recording power level Pw and the erasing power level Pe, is adjusted to realize an optical pulse waveform with reduced overshooting and undershooting for each of different recording media. Erase top pulse duration Tert is switched according to different recording speeds for different recording media.
    • 期望减少包含在光盘装置中的光学拾取器的光脉冲波形的过冲和下冲以提高记录质量。 在要记录的脉冲中,使每个最后脉冲的后沿和随后的擦除顶部脉冲的前沿彼此几乎一致。 比率a / b,其中a是擦除顶部脉冲功率电平Pet和擦除功率电平Pe之间的差值,b是记录功率电平Pw和擦除功率电平Pe之间的差异,被调整以实现具有减小的超调的光脉冲波形 并且对每个不同的记录媒体进行低估。 擦除顶部脉冲持续时间根据不同记录媒体的不同记录速度切换Tert。
    • 3. 发明申请
    • RECORDING DEVICE AND RECORDING METHOD FOR OPTICAL RECORDING MEDIUM
    • 光记录介质的记录装置和记录方法
    • US20110134735A1
    • 2011-06-09
    • US12952977
    • 2010-11-23
    • Toshio ShojiMitsunori Kobayashi
    • Toshio ShojiMitsunori Kobayashi
    • G11B20/00
    • G11B7/0062G11B7/126
    • It is desired that the overshooting and undershooting of optical pulse waveforms of optical pickups included in optical disk devices be reduced to improve the quality of recording. Among pulses to be recorded, the trailing edge of each last pulse and the leading edge of the subsequent erase top pulse are made to almost coincide with each other. Ratio a/b, where a is the difference between erase top pulse power level Pet and erasing power level Pe and b is the difference between recording power level Pw and the erasing power level Pe, is adjusted to realize an optical pulse waveform with reduced overshooting and undershooting for each of different recording media. Erase top pulse duration Tert is switched according to different recording speeds for different recording media.
    • 期望减少包含在光盘装置中的光学拾取器的光脉冲波形的过冲和下冲以提高记录质量。 在要记录的脉冲中,使每个最后脉冲的后沿和随后的擦除顶部脉冲的前沿彼此几乎一致。 比率a / b,其中a是擦除顶部脉冲功率电平Pet和擦除功率电平Pe之间的差值,b是记录功率电平Pw和擦除功率电平Pe之间的差异,被调整以实现具有减小的超调的光脉冲波形 并且对每个不同的记录媒体进行低估。 擦除顶部脉冲持续时间根据不同记录媒体的不同记录速度切换Tert。
    • 6. 发明授权
    • Coated cutting tool and a process for the production of the same
    • 涂层切割工具和生产过程相同
    • US5915162A
    • 1999-06-22
    • US379624
    • 1995-03-09
    • Katsuya UchinoToshio NomuraHisanori OharaMasuo ChudoMitsunori Kobayashi
    • Katsuya UchinoToshio NomuraHisanori OharaMasuo ChudoMitsunori Kobayashi
    • C23C16/32C23C16/34C23C16/36C23C30/00B22F3/00
    • C23C16/34C23C16/32C23C16/36C23C30/005Y10T428/12049Y10T428/12576
    • This invention relates to a coated cutting tool suitable for high speed cutting working and a process for the production of the same. The feature of the present invention consists in a coated cutting tool comprising a coating layer consisting of an inner layer and outer layer on a surface of a substrate consisting of a cemented carbide such as tungsten carbide-based cemented carbide, etc., the inner layer being composed of a mono-layer of titanium carbonitride in contact with the substrate, a double layer of titanium nitride of 0.1 to 2 .mu.m in thickness, in contact with the substrate, and titanium carbonitride directly above it or a multi-layer provided thereon consisting of titanium carbide, etc., in which the chlorine content in the inner layer is at most 0.05 atom % on average throughout the inner layer, the ratio of the peak intensities of the specified planes in the X-ray diffraction of the above described titanium carbonitride in the specified range and as the inner layer, there are provided coating layers consisting of a first layer of titanium nitride in contact with the substrate and a second layer having a hardness of 160 to 2400 kg/mm.sup.2, and a process for the production of the same. The coated cutting tool of the present invention exhibits a high wear resistance of the coating itself, tenacious adhesiveness of the coating film and substrate and excellent stripping resistance during cutting.
    • PCT No.PCT / JP94 / 00882 Sec。 371日期1995年3月9日 102(e)1995年3月9日PCT PCT 1994年5月31日PCT公布。 WO94 / 28191 PCT出版物 日期1994年12月8日本发明涉及适用于高速切削加工的涂层切削工具及其制造方法。 本发明的特征在于一种涂层切削工具,其特征在于,在由碳化钨类硬质合金等硬质合金构成的基板表面上由内层和外层构成的被覆层,内层 由与基板接触的碳氮化钛单层组成,厚度为0.1〜2μm,与基板接触的双层氮化钛和其上方的碳氮化钛或设置在其上的多层 由碳化钛等构成,其中内层中的氯含量平均在整个内层中为0.05原子%以下,上述X射线衍射中的特定平面的峰值强度的比例 碳氮化钛在特定范围内,并且作为内层,提供由与基板接触的第一氮化钛层和与基板接触的第二层组成的涂层, 硬度为160〜2400kg / mm2,其制造方法为。 本发明的涂层切削工具表现出涂层本身的高耐磨性,涂膜和基材的牢固粘附性和切割期间优异的耐剥离性。
    • 8. 发明申请
    • Optical disk apparatus and method of setting recording power
    • 光盘装置及设定记录功率的方法
    • US20070127336A1
    • 2007-06-07
    • US11429442
    • 2006-05-08
    • Mitsunori KobayashiKoichi WatanabeKazutoshi Shigeta
    • Mitsunori KobayashiKoichi WatanabeKazutoshi Shigeta
    • G11B7/12
    • G11B7/1267G11B7/006
    • According to the present invention, an optimum value of a laser power for recording data on a high-density optical disk can be set with high accuracy. A test signal whose erase power Pe is fixed and recording power Pw is varied is recorded on the optical disk. The recorded signal is reproduced and a β value representing asymmetry of the reproduced signal is obtained for each recording power. An optimum recording power Pwo is set from a recording power with which the obtained β value becomes a target β value. Hereby, the fixed erase power Pe is determined from measurement results of a value of a modulation factor M of another test signal recorded. Alternatively, the fixed erase power Pe follows strategy information defined in advance for the optical disk. Or Pe≈0 is used regardless of the optical disk.
    • 根据本发明,可以高精度地设置用于在高密度光盘上记录数据的激光功率的最佳值。 其擦除功率Pe固定并且记录功率Pw变化的测试信号被记录在光盘上。 记录的信号被再现,并且对于每个记录功率获得表示再现信号的不对称性的β值。 从获得的β值成为目标β值的记录功率设定最佳记录功率Pwo。 因此,固定的擦除功率Pe由记录的另一测试信号的调制度M的值的测量结果确定。 或者,固定擦除功率Pe遵循预先为光盘定义的策略信息。 或者使用Pe≈0,而不考虑光盘。
    • 9. 发明授权
    • Radiation shielding material and producing method thereof
    • 辐射屏蔽材料及其制备方法
    • US5908884A
    • 1999-06-01
    • US931617
    • 1997-09-16
    • Toshio KawamuraToshihisa AdachiMitsunori Kobayashi
    • Toshio KawamuraToshihisa AdachiMitsunori Kobayashi
    • G21F1/08B29C35/02B29K27/12B29K105/16C08K3/04C08K3/08C08L21/00G21F1/10C08K3/10C08K3/22
    • G21F1/106C08K3/08
    • Tungsten powder which is a material of high radiation absorptivity is dispersed into unvulcanized fluoro rubber in advance so that the mixture is vulcanized and molded. As the powder of material of high radiation absorptivity, powder having an F.s.s.s. particle size not larger than 50 .mu.m is used. Further, in the case where a mixture of powder having an F.s.s.s. particle size in a range of from 5 .mu.m to 50 .mu.m, and powder having an F.s.s.s. particle size in a range of from 0.5 .mu.m, to 5 .mu.m, is used as the powder of material of high radiation absorptivity, the powder of material of high radiation absorptivity has good tensile strength, good extensibility and more excellent radiation shielding ability, when the weight of the powder having a particle size in a range of from 4 .mu.m to 100 .mu.m is in a range of from 60% by weight to 95% by weight, and the weight of the powder having a particle size smaller than 4 .mu.m is in a range of from 5% by weight to 40% by weight. Both the powder and the vulcanized rubber containing carbon powder have electrical conductivity, so that electromagnetic wave shielding ability is added. In addition, the vulcanized rubber is vulcanized fluoro rubber which is excellent in heat resistance and chemical resistance.
    • 作为高放射线吸收性的材料的钨粉预先分散在未硫化的氟橡胶中,使混合物硫化和成型。 作为高辐射吸收性材料的粉末,粉末具有F.s.s.s. 使用不大于50μm的粒径。 此外,在具有F.s.s.s. 粒度在5微米到50微米的范围内,粉末具有F.s.s.s. 使用粒径在0.5μm至5μm的粒径作为高辐射吸收材料的粉末,高辐射吸收材料的粉末具有良好的拉伸强度,良好的延展性和更优异的辐射屏蔽能力, 当粒度在4μm至100μm的范围内的粉末的重量在60重量%至95重量%的范围内时,粉末的重量小于 4μm在5重量%至40重量%的范围内。 粉末和含有碳粉末的硫化橡胶都具有导电性,从而增加了电磁波屏蔽能力。 此外,硫化橡胶是耐热性和耐化学性优异的硫化氟橡胶。