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    • 41. 发明申请
    • Coated cutting tool
    • 涂层切割工具
    • US20070154737A1
    • 2007-07-05
    • US10598193
    • 2005-03-11
    • Minoru ItohHideki MoriguchiAkira Sakamoto
    • Minoru ItohHideki MoriguchiAkira Sakamoto
    • B32B9/00
    • B23B27/141B23B2224/04B23B2228/10Y10T407/25Y10T407/27Y10T428/24975Y10T428/252Y10T428/265
    • The present invention relates to a coated cutting tool wherein a ceramic film is formed on a cemented carbide substrate. The substrate is equipped with a ridge line of a cutting edge upon which round honing or combination honing has been performed, a breaker disposed on a rake face connected to the ridge line of the cutting edge, a base face, and an insert hole for securing to a holder. The nose radius is set to at least 1.6 mm. The ceramic film is equipped with an α-type aluminum oxide film. The ten-point average roughness Rz (5 microns reference length) is set to no more than 0.2 microns for the inside of the honed section, the flank face side of the honed section, and the rake face side of the honed section. The ten-point average roughness Rz is set to no more than 0.5 microns for the upper section of the breaker, the base face, and the area around the insert hole.
    • 本发明涉及一种涂覆切割工具,其中陶瓷膜形成在硬质合金基底上。 基板配备有切削刃的棱线,在其上进行了圆形珩磨或组合珩磨,设置在连接到切削刃的棱线的前刀面上的断屑器,基座面和用于固定的插入孔 持有人 鼻子半径设定为至少1.6毫米。 陶瓷膜配备有α型氧化铝膜。 珩磨部分的内侧,珩磨部分的侧面侧和珩磨部分的前刀面侧的十点平均粗糙度Rz(5微米参考长度)设定为不超过0.2微米。 对于断路器的上部,底面和插入孔周围的区域,十点平均粗糙度Rz设定为不大于0.5微米。
    • 45. 发明授权
    • Semiconductor device, surface emitting semiconductor laser and edge emitting semiconductor laser
    • 半导体器件,表面发射半导体激光器和边缘发射半导体激光器
    • US06597017B1
    • 2003-07-22
    • US09520188
    • 2000-03-07
    • Yasuji SekoAkira Sakamoto
    • Yasuji SekoAkira Sakamoto
    • H01L2715
    • H01S5/32341H01S5/18308H01S5/18361H01S5/2063H01S5/3201H01S2304/04
    • Provided is a semiconductor device that has pseudo lattice matched layers with good crystallinity, formed with lattice mismatched materials. Tensile-strained n-type Al0.5Ga0.5N layers (lower side) and compressive-strained n-type Ga0.9In0.1N layers (upper side) are grown on a GaN crystal layer substrate in 16.5 periods to form an n-type DBR mirror; an undoped GaN spacer layer and an active region are grown on the n-type DBR mirror; and an undoped a GaN spacer layer is grown on the active region. Further, tensile-strained p-type Al0.5Ga0.5N layers (lower side) and compressive-strained p-type Ga0.9In0.1N layers (upper side) are grown on the spacer layer in 12 periods to form a p-type DBR mirror and eventually complete a surface emitting semiconductor laser.
    • 提供具有晶格匹配层的具有良好结晶度的晶格匹配层的半导体器件,由晶格失配的材料形成。 拉伸应变n型Al0.5Ga0.5N层(下侧)和压应变n型Ga 0.9 In 0.1 N层(上侧)在16.5个周期内在GaN晶体层基板上生长以形成n型 DBR镜 在n型DBR镜上生长未掺杂的GaN间隔层和有源区; 并且在有源区上生长未掺杂的GaN间隔层。 此外,在间隔层中在12个时间段内生长拉伸应变的p型Al 0.5 Ga 0.5 N层(下侧)和压应变p型Ga 0.9 In 0.1 N层(上侧)以形成p型 DBR反射镜,最终完成表面发射半导体激光器。
    • 46. 发明授权
    • Scrambling system for audio frequency signals
    • 音频信号加扰系统
    • US4600941A
    • 1986-07-15
    • US560957
    • 1983-12-13
    • Akira SakamotoToshihiko WakuTakeshi FukamiMasakatsu ToyoshimaMichimasa Komatsubara
    • Akira SakamotoToshihiko WakuTakeshi FukamiMasakatsu ToyoshimaMichimasa Komatsubara
    • H04K1/06H04N7/167
    • H04K1/06
    • A scrambling system for an audio frequency signal in which an audio signal is divided into blocks, each block being formed of a plurality of frames, the plurality of frames are rearranged on a timebase in a predetermined order at every block so as to be encoded and the encoded signal is re-arranged on the timebase in an original order so as to be decoded, in which there are provided a first signal processing circuit for inserting a redundant portion into a portion between adjoining frames and timebase-compressing the frames in response to the redundant portions upon encoding, a control signal generating circuit for inserting a control signal other than an audio information into the redundant portions, a control signal detecting circuit for detecting the control signal upon decoding and a second signal processing circuit for removing the redundant portions in synchronism with the detected control signal and timebase-expanding the frames in response to the redundant portions. Therefore, even when the audio signal is transmitted through a system in a transmission path having a timebase fluctuation such as a transmission path of a VTR (video tape recorder) and the like the frequency band region of which is restricted, the signal waveform is not distorted and a noise is not mixed therein so that the scrambling communication having high quality and high reliability can be presented.
    • 一种用于音频信号的音频信号的加扰系统,其中音频信号被分成多个块,每个块由多个帧形成,所述多个帧在每个块上以预定顺序在时基上重新排列,以被编码; 编码信号以原始顺序重新排列在时基上以被解码,其中提供了第一信号处理电路,用于将冗余部分插入相邻帧之间的部分,并响应于时基而压缩帧 编码后的冗余部分,用于将除音频信息之外的控制信号插入到冗余部分中的控制信号生成电路,用于在解码时检测控制信号的控制信号检测电路和用于去除冗余部分中的冗余部分的第二信号处理电路 与检测到的控制信号同步并响应于冗余部分对时基进行扩展。 因此,即使音频信号通过具有时频波动的传输路径的系统发送,例如VTR(录像机)的传输路径等,其频带区域被限制,信号波形也不会 失真并且不混合噪声,从而可以呈现具有高质量和高可靠性的扰频通信。