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    • 1. 发明专利
    • Manufacture of semiconductor device
    • 半导体器件的制造
    • JPS6181640A
    • 1986-04-25
    • JP3633585
    • 1985-02-27
    • Hitachi Ltd
    • KASHIOKA SEIJIKAMEYAMA MASAYOSHIMIYAMOTO NORIMASAYAMAMOTO HIROSHI
    • H01L21/66H01L21/60H01L21/67
    • H01L2224/78H01L2924/00014H01L2924/01013H01L2224/48H01L2924/00012
    • PURPOSE:To obtain an image having a constant contrast independently from inclination of a semiconductor pellet, by providing the pellet with a vapor- deposited aliminium surface having a constant diffuse reflection component so as to inhibit any regularly reflected light from entering into a microscope. CONSTITUTION:Aluminium is vapor deposited on a semiconductor pellet under a sufficient residual air pressure (3X10 Torr or higher) to provide the deposited aluminium film with a satin-like surface having a reflection luminance higher than a predetermined value for all the radiation angles. Further, in order to observe the pellet, a tube 5 receiving a light source 3 and a condenser lens 4 therein is provided separately from a microscope lens barrel 1 and an object lens 2 so as to apply light obliquely to a semiconductor pellet 6 which is present within the visual field of the microscope and has the reflectivity of aluminium.
    • 目的:为了获得具有独立于半导体颗粒的倾斜的恒定对比度的图像,通过为颗粒提供具有恒定漫反射分量的气相沉积的ium表面,以便抑制任何规则的反射光进入显微镜。 构成:在足够的残留空气压力(3×10 -6乇或更高)下,将铝蒸镀在半导体颗粒上,以使沉积的铝膜具有高于预定值的反射亮度的缎状表面 辐射角度。 此外,为了观察颗粒,在其中接收光源3和聚光透镜4的管5与显微镜镜筒1和物镜2分开设置,以便将斜光施加到半导体颗粒6上,半导体颗粒6是 存在于显微镜的视场内并具有铝的反射率。
    • 2. 发明专利
    • Optical star coupler and its manufacture
    • 光星联轴器及其制造
    • JPS6165204A
    • 1986-04-03
    • JP18696484
    • 1984-09-06
    • Hitachi Ltd
    • IMOTO KATSUYUKIMAEDA MINORUKAMEYAMA MASAYOSHIIKUTA YASUSHIARAKI HIROSHIOBO SHIGERU
    • G02B6/28G02B6/287
    • PURPOSE:To realize a low distributing dispersion and a low cost with respect to an optical star coupler for a single mode optical fiber, as well, by providing a twisted/welded part on both sides of a tapered twisted/welded/drawn part of the center part of plural bundled optical glass fibers. CONSTITUTION:A covering material 4 being in the vicinity of the center part of optical fibers 1a, 1b covered with silicone is peeled off, the peeled part is brought to an etching processing, and two processed optical fibers 1a, 1b are bundled and twisted. Along the axial direction of the optical fibers 1a, 1b, a heating source 15 is moved from the direction of a chuck 11a to the direction of a chuck 11b. The heated part is welded, a twisted/welded part 6a is formed, and at the time point when the heating source 15 has come to the vicinity of the optical fibers 1a, 1b, a twisted/welded/drawn part 7 is formed by rotating the chuck 11b. The twisted/welded parts 6a, 6b and the twisted/welded/drawn part 7 are inserted into a protective pipe 8, and are stuck and fixed in both ends. In this way, a low insertion loss, a low distributing dispersion and a low cost can be realized.
    • 目的:为了实现相对于单模光纤的光学星形耦合器的低分散散射和低成本,通过在锥形扭曲/焊接/拉出部分的两侧提供扭曲/焊接部分 多个束状光学玻璃纤维的中心部分。 构成:将被硅树脂覆盖的光纤1a,1b的中央部附近的覆盖材料4剥离,将剥离部进行蚀刻处理,将两根被处理光纤1a,1b捆扎并绞合。 沿着光纤1a,1b的轴向,加热源15从卡盘11a的方向向卡盘11b的方向移动。 加热部分被焊接,形成扭曲/焊接部分6a,并且在加热源15到达光纤1a,1b附近的时间点,通过旋转形成扭曲/焊接/拉伸部分7 卡盘11b。 扭转/焊接部分6a,6b和扭曲/焊接/拉伸部分7插入保护管8中,并被卡住并固定在两端。 以这种方式,可以实现低插入损耗,低分散色散和低成本。