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    • 44. 发明申请
    • Variable gain amplifier
    • 可变增益放大器
    • US20050110571A1
    • 2005-05-26
    • US10968008
    • 2004-10-20
    • Teruo ImayamaTsuneo Suzuki
    • Teruo ImayamaTsuneo Suzuki
    • H03G3/30H03F3/45
    • H03G3/3042H03G3/3047
    • A variable gain amplifier includes a first constant current amplifier configured to generate a reference current from an input signal. A controller is configured to generate a bias current and a first control signal based on control voltage. An addition current generator is configured to generate a variable current from the input signal based on the bias current, and to generate a addition current by controlling the variable current in accordance with the first control signal. An adder is configured to generate a first output signal by adding the reference current and the addition current.
    • 可变增益放大器包括被配置为从输入信号产生参考电流的第一恒流放大器。 控制器被配置为基于控制电压产生偏置电流和第一控制信号。 附加电流发生器被配置为基于偏置电流从输入信号产生可变电流,并且通过根据第一控制信号控制可变电流来产生相加电流。 加法器被配置为通过将参考电流和相加电流相加来产生第一输出信号。
    • 47. 发明授权
    • High purity cobalt sputtering targets
    • 高纯钴溅射靶
    • US5810983A
    • 1998-09-22
    • US790033
    • 1997-01-28
    • Yuichiro ShindoTsuneo Suzuki
    • Yuichiro ShindoTsuneo Suzuki
    • C23C14/34C25C1/08C22C19/07
    • H01J37/3491C23C14/3414C25C1/08
    • A process for producing a high purity cobalt is provided comprising the following steps. An aqueous solution of cobalt chloride having a hydrochloric acid concentration of 7 to 12N is provided. The solution includes either or both of Fe and Ni as impurities. The solution is contacted with an anion exchange resin so that cobalt is adsorbed on the resin. Cobalt is eluted from the resin with hydrochloric acid at a concentration of 1 to 6N. The solution containing the eluted cobalt is dried or otherwise concentrated to produce a purified aqueous solution of cobalt chloride having a pH of 0 to 6. Organic materials are preferably removed from the purified solution by active carbon treatment. Electrolytic refining is conducted with the purified aqueous solution as an electrolyte to obtain electrodeposited cobalt. A high purity cobalt sputtering target can be obtained wherein Na content is 0.05 ppm or less; K content is 0.05 ppm or less; Fe content is 1 ppm or less; Ni content is 1 ppm or less; Cr content is 1 ppm or less; U content is 0.01 ppb or less; Th content is 0.01 ppb or less; C content is 50 ppm or less, preferably 10 ppm or less; and O content is 100 ppm or less, the balance being cobalt and unavoidable impurities.
    • 提供一种生产高纯钴的方法,包括以下步骤。 提供盐酸浓度为7〜12N的氯化钴水溶液。 该溶液包括Fe和Ni中的一种或两种作为杂质。 使溶液与阴离子交换树脂接触,使钴吸附在树脂上。 钴以1〜6N的浓度的盐酸从树脂中洗脱出来。 将含有洗脱的钴的溶液干燥或以其它方式浓缩以产生pH为0至6的纯化的氯化钴水溶液。有机材料优选通过活性炭处理从纯化溶液中除去。 用纯化水溶液作为电解质进行电解精炼,得到电沉积钴。 可以得到Na含量为0.05ppm以下的高纯度钴溅射靶; K含量为0.05ppm以下; Fe含量为1ppm以下; Ni含量为1ppm以下; Cr含量为1ppm以下; U含量为0.01ppb以下; Th含量为0.01 ppb以下; C含量为50ppm以下,优选为10ppm以下。 O含量为100ppm以下,余量为钴和不可避免的杂质。
    • 48. 发明授权
    • Optical scanning device with lens-holder
    • 带镜头的光学扫描装置
    • US5541763A
    • 1996-07-30
    • US211821
    • 1994-09-19
    • Tsuneo SuzukiRaimund RoslerStefanie KoserGunter HauserOlaf LaserPeter LooserShunichi Maruyama
    • Tsuneo SuzukiRaimund RoslerStefanie KoserGunter HauserOlaf LaserPeter LooserShunichi Maruyama
    • G11B7/09G02B26/08G02B7/02
    • G11B7/0932
    • In optical playback appliances, such as CD-players, the objective lens sits on a lens-holder that is mounted so as to swivel around an axis and that carries at least one coil. The axis of rotation of the lens-holder is secured to a housing. To allow the lens-holder (LH) to move easily, without being hampered by wires, in the optical scanning device, essentially composed of the lens-holder (LH) and the housing (G), the current required for the coils (S1, S2) flows through respective elastic, electroconductive fastening elements (FO, FU) to both ends (SO, SU) of the axis (N), and from said ends (SO, SU), electrically isolated from each other, to the coils (S1, S2), via respective strip conductors (LPO, LBU) on the lens-holder (LH). This optical scanning device with a lens-holder is useful in CD-players, video disk players, DRAW-disk players and in magneto-optical recorders and players.
    • 在诸如CD播放器的光学回放装置中,物镜位于透镜架上,透镜架被安装成围绕轴线旋转并且承载至少一个线圈。 透镜架的旋转轴线固定在壳体上。 为了使光学扫描装置(LH)和壳体(G)基本上由透镜架(LH)和外壳(G)组成,允许透镜架(LH)容易地移动而不被电线阻碍,线圈(S1 ,S2)通过相应的弹性导电紧固元件(FO,FU)流到轴线(N)的两端(SO,SU),并且从所述端部(SO,SU)彼此电隔离到线圈 (S1,S2),经由透镜架(LH)上的各个条状导体(LPO,LBU)。 这种具有透镜架的光学扫描装置在CD播放器,视频盘播放器,绘图盘播放器和磁光记录器和播放器中是有用的。