Device for the gravimetric detection of particles in a fluid medium, comprising an oscillator between two fluid channels
    3.
    发明授权
    Device for the gravimetric detection of particles in a fluid medium, comprising an oscillator between two fluid channels 有权
    用于重量测量流体介质中的颗粒的装置,包括两个流体通道之间的振荡器

    公开(公告)号:US08746048B2

    公开(公告)日:2014-06-10

    申请号:US12993513

    申请日:2009-04-24

    IPC分类号: G01N29/02

    CPC分类号: G01G3/13 G01G3/16

    摘要: The invention provides a device for the gravimetric detection of particles in a fluid medium, comprising a flat electromechanical oscillator (1), means for supporting the oscillator, means (15a, 15b, 15c, 15d) for actuating said oscillator and, on either side of the plane of the oscillator (1), two cavities (3, 5) enabling the oscillator (1) to vibrate when it is activated by the actuation means (15a, 15b, 15c, 15d), characterized in that at least one of the two cavities (3, 5) forms an integral part of a channel (2, 4) for the passage of a fluid over at least one of the faces (1a, 1b) of the oscillator and in that said actuation means (15a, 15b, 15c, 15d) take the form of at least one electrode (15a, 15b, 15c, 15d) lying in the same plane as that of the electromechanical oscillator and at a defined distance (g) from the oscillator, so as to ensure that the oscillator vibrates in its plane.

    摘要翻译: 本发明提供了一种用于重量检测流体介质中的颗粒的装置,包括平面机电振荡器(1),用于支撑振荡器的装置,用于致动所述振荡器的装置(15a,15b,15c,15d),以及在任一侧 振荡器(1)的平面的两个空腔(3,5)能够使振荡器(1)在被致动装置(15a,15b,15c,15d)激活时振动,其特征在于,至少一个 两个空腔(3,5)形成通道(2,4)的整体部分,用于使流体在振荡器的至少一个面(1a,1b)上通过,并且所述致动装置(15a, 15b,15c,15d)以与机电振荡器相同的平面中的至少一个电极(15a,15b,15c,15d)的形式并且与振荡器限定距离(g),以确保 振荡器在其平面上振动。

    Method for making a block for testing components
    5.
    发明授权
    Method for making a block for testing components 失效
    制作测试组件块的方法

    公开(公告)号:US06835577B2

    公开(公告)日:2004-12-28

    申请号:US10399844

    申请日:2003-04-21

    IPC分类号: H01L2100

    CPC分类号: G01R3/00 G01R1/0483

    摘要: The invention relates to a test socket (10) for an electronic component, comprising a embossed support layer (12) comprising several embossments (16) with projecting relief, the embossments being provided with at least one conducting test area (14) near the top of the embossment, that may be brought into electrical contact with a terminal of the component. Application to testing bare or packaged electronic components.

    摘要翻译: 本发明涉及一种用于电子部件的测试插座(10),包括一个压花支撑层(12),该压花支撑层(12)包括多个具有凸出凸起的凸起(16),该凸起在顶部附近提供至少一个导电测试区域(14) 的压纹,可以与组件的端子电接触。用于测试裸露或封装的电子元件。