利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

22 条记录 (耗时 0.011 秒)

    Ultrasonic imaging equipment
    1.
    发明公开
    Ultrasonic imaging equipment 失效
    超声波图像显示系统。

    公开(公告)号：EP0032732A1

    公开(公告)日：1981-07-29

    申请号：EP81100281.5

    申请日：1981-01-15

    申请人： Hitachi, Ltd.

    发明人： Kanda, Hiroshi ,  Ishikawa, Isao ,  Kondo, Toshio

    IPC分类号： G01H3/12

    CPC分类号： G01H3/125 ,  G10K11/30

    摘要： An ultrasonic imaging equipment employs a transducer (220) which includes an acoustic propagating medium formed with a concave surface at one end thereof and formed with a piezoeletric thin film on the other end thereof opposing to the one end, and a medium arranged in the concave surface in order to permit the concave surface to effect a lens action. A dummy transducer (230) eliminates the transmitted signal and the echo from the lens boundary and is constructed of the acoustic propagating medium and an acoustic absorber (250).

    Acoustic microscope
    4.
    发明公开
    Acoustic microscope 失效
    声学显微镜

    公开(公告)号：EP0121690A3

    公开(公告)日：1985-07-31

    申请号：EP84101533

    申请日：1984-02-15

    申请人： HITACHI, LTD.

    发明人： Kanda, Hiroshi ,  Katakura, Kageyoshi ,  Ishikawa, Isao

    IPC分类号： G01N29/04 ,  G01H03/12

    CPC分类号： G01H3/125 ,  G01N29/06

    摘要： An acoustic microscope comprising an acoustic transducer (140) which performs both generation and detection of acoustic wave beams, and a sample holding member (82) which opposes to an acoustic wave transmitting and receiving surface of the transducer (140), to hold an object sample (62) through an acoustic wave propagating medium (8) and to offer behind the sample a layer of an acoustic impedance unequal to that of the sample, so that the sample holding member (82) is moved in parallel, thereby to detect acoustic waves reflected from front and rear surfaces of the sample (62) and acoustic waves reflected from a surface of the sample holding member (82) without reaching the sample and to measure amplitudes and returning periods of time of the reflected acoustic waves, so as to measure the velocity of sound through the sample of unknown thickness, the acoustic impedance of the sample, etc. from the measured values.

    A method of image display by ultrasonic microscope
    6.
    发明公开
    A method of image display by ultrasonic microscope 失效
    使用超声波显微镜用于成像的方法。

    公开(公告)号：EP0103719A1

    公开(公告)日：1984-03-28

    申请号：EP83107622.9

    申请日：1983-08-02

    申请人： HITACHI, LTD.

    发明人： Ishikawa, Isao ,  Kanda, Hiroshi

    IPC分类号： G01N29/04

    CPC分类号： G01N29/06 ,  G01N2291/0258

    摘要： @ A method of image display of a specimen by an ultrasonic wave microscope comprising an acoustic wave propagating medium (1), a piezoelectric member (2) provided at one end of said medium (1) for generating an ultrasonic beam (6), and an acoustic wave lens formed at an opposite end of said acoustic wave propagating medium (1) and having a predetermined focal point, said method comprising the steps of two-dimensionally scanning a specimen (7) disposed substantially at said focal point by said ultrasonic beam (6) while moving one of said specimen (7) and said beam (6) relative to the other, and applied to said specimen repetitive stress selectively during the scanning of said specimen (7).

    Ultrasonic microscope
    10.
    发明公开
    Ultrasonic microscope 失效
    Ultraschallmikroskop。

    公开(公告)号：EP0084174A2

    公开(公告)日：1983-07-27

    申请号：EP82112077.1

    申请日：1982-12-28

    申请人： Hitachi, Ltd.

    发明人： Kanda, Hiroshi ,  Ishikawa, Isao

    IPC分类号： G01H3/12 ,  G10K11/34

    CPC分类号： G01H3/125 ,  B06B1/0625

    摘要： An ultrasonic microscope displays an ultrasonic wave image of a sample (60) relatively and two-dimensionally scanned with respect to an ultrasonic wave beam transmitted from and focused by a transducer including a piezoelectric element (220) and an acoustic lens (200). The F number of the acoustic lens is variably changeable while the scan in one direction of the two-dimensional scan is substituted by a time axis scan of the received echo.