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    • 31. 发明授权
    • Ultrasonic transducer
    • 超声波换能器
    • US5250869A
    • 1993-10-05
    • US768445
    • 1991-09-26
    • Hiroshi IshikawaKazuhiro WatanabeKiyoto MatsuiYasushi HaraKenji KawabeTakaki Shimura
    • Hiroshi IshikawaKazuhiro WatanabeKiyoto MatsuiYasushi HaraKenji KawabeTakaki Shimura
    • B06B1/06H01L41/04H04R17/00
    • B06B1/0629
    • The present invention relates to an ultrasonic transducer for controlling an ultrasonic beam with the vibrators arranged and particularly to an ultrasonic transducer having improved the ultrasonic beam characteristic in the short axis direction in order to realize a high image quality ultrasonic diagnostic apparatus. The present invention is aimed at improving the ultrasonic beam characteristic and therefore the present invention discloses an ultrasonic transducer for controlling ultrasonic beam using many vibrators arranged in the form of an array in which a composite piezoelectric element (1) is used as an electric-acoustic conversion element of the vibrator and the electrode (2) divided in the short axis direction orthogonally crossing the arrangement direction of many vibrators is also provided on the composite piezoelectric vibrator (1).
    • PCT No.PCT / JP90 / 01374 Sec。 371日期1991年9月26日 102(e)1991年9月26日PCT PCT 1990年10月25日PCT公布。 出版物WO91 / 13588 日本1991年9月19日。本发明涉及一种用于控制超声波束的超声波换能器,其特征在于具有改善了短轴方向超声波束特性的超声波换能器,以实现高图像质量超声波 诊断仪器 本发明的目的在于提高超声波束特性,因此本发明公开了一种用于控制超声波束的超声波传感器,其中使用许多以阵列形式布置的振动器,其中使用复合压电元件(1)作为电声 在复合压电振动器(1)上还设置振动器的转换元件和与许多振动器的排列方向垂直的短轴方向分割的电极(2)。
    • 34. 发明授权
    • Apparatus for forming reactive deposition film
    • 用于形成反应性沉积膜的装置
    • US4941430A
    • 1990-07-17
    • US185863
    • 1988-04-25
    • Kazuhiro WatanabeKazuya SaitoYoshiyuki YuchiKonosuke Inagawa
    • Kazuhiro WatanabeKazuya SaitoYoshiyuki YuchiKonosuke Inagawa
    • C23C14/32C23C14/00C23C14/06C23C14/24
    • C23C14/24C23C14/0021C23C14/0647
    • An apparatus for forming a reactive deposition film includes a member for supporting a body to be coated in a vacuum chamber; an evaporation source of element constituting the reactive deposition film; apparatus for introducing a reaction gas into the vacuum chamber; bias apparatus for applying a high frequency or radio frequency (rf) bias voltage to the body; an electron beam generator for supplying electron beams towards the body; and a magnetic field generator which generates such a magnetic field that distributes the electron beams supplied from the electron beam generator uniformly to the whole region adjacent to the surface of the body and traps electrons from the electron beams in the region, whereby plasma of high density can be formed uniformly in the whole region adjacent to the surface of the body. In another apparatus, further a second bias apparatus for applying a DC (direct current) bias voltage or AC (alternate current) bias voltage to the gas introducing apparatus for activating the reaction is provided.
    • 用于形成反应性沉积膜的装置包括:用于将待涂覆的主体支撑在真空室中的构件; 构成反应性沉积膜的元件的蒸发源; 用于将反应气体引入真空室的装置; 用于向身体施加高频或射频(RF)偏置电压的偏置装置; 用于向身体提供电子束的电子束发生器; 以及产生这样的磁场的磁场发生器,其将从电子束发生器供给的电子束均匀地分配到与身体表面相邻的整个区域,并从该区域中的电子束捕获电子,由此产生高密度的等离子体 可以在与身体表面相邻的整个区域中均匀地形成。 在另一种装置中,还提供了一种用于将DC(直流)偏置电压或AC(交流)偏置电压施加到用于激活反应的气体引入装置的第二偏置装置。
    • 38. 发明授权
    • Low dusting powdery alginate impression material for dental use
    • 用于牙科用途的低粉尘藻酸盐印模材料
    • US4543372A
    • 1985-09-24
    • US664963
    • 1984-10-26
    • Kazuhiro WatanabeSakae YoshikawaShunichi Futami
    • Kazuhiro WatanabeSakae YoshikawaShunichi Futami
    • A61K6/10A61K6/08
    • A61K6/10
    • A low dusting powdery alginate impression material for dental use is disclosed which comprises:(a) an alginate,(b) a gelling agent,(c) a gelation controlling agent,(d) a filler,(e) at least one hydrophobic liquid having a vapor pressure of not higher than 3.15 mmHg at 20.degree. C. selected from the group consisting of a hydrocarbon and a silicone oil not containing a hydrophilic group,(f) polyvinylpyrrolidone, and(g) at least one compound selected from the group consisting of oxides, hydroxides and fluorides of metals.With the alginate impression material, gypsum models prepared using the negative mold of an impression have high surface precision and impressions of oral cavity having high precision can be obtained as well as substantially no dust formation is observed when taken out of a storage container and during mixing with water.
    • 公开了一种用于牙科用途的低粉尘藻酸盐印模材料,其包括:(a)藻酸盐,(b)胶凝剂,(c)凝胶化控制剂,(d)填料,(e)至少一种疏水性液体 在20℃下蒸气压不高于3.15mmHg,选自烃和不含亲水基团的硅油,(f)聚乙烯吡咯烷酮,和(g)至少一种选自下组的化合物 由金属的氧化物,氢氧化物和氟化物组成。 使用藻酸盐印模材料,使用印模的阴模制备的石膏模型具有高表面精度,并且可以获得具有高精度的口腔的印模,并且在从储存容器中取出并且在混合期间基本上不观察到灰尘形成 与水。