PROBE POSITION MONITORING STRUCTURE AND METHOD OF MONITORING POSITION OF PROBE

    公开(公告)号:US20240264225A1

    公开(公告)日:2024-08-08

    申请号:US18641453

    申请日:2024-04-22

    发明人: Yasunobu Torii

    IPC分类号: G01R31/28 G01B7/00 G01R1/073

    摘要: A probe position monitoring structure includes a first common line, a second common line, a contact portion configured, and a reference zigzag structure. The contact portion includes a first zigzag structure, a second zigzag structure, a third zigzag structure, and a fourth zigzag structure. A first end of the first zigzag structure, a first end of the fourth zigzag structure, and a first end of the reference zigzag structure are directly connected with the first common line. A first end of the second zigzag structure, a first end of the third zigzag structure, and a second end of the reference zigzag structure are directly connected with the second common line. The reference zigzag structure is disposed between the first zigzag structure and the second zigzag structure. A line width of the reference zigzag structure is equal to a line width of the first zigzag structure.

    METHODS AND TECHNIQUES FOR DETERMINING WHEN A PROBE TIP IS PROXIMATE TO OR IN CONTACT WITH A SAMPLE SURFACE

    公开(公告)号:US20240255571A1

    公开(公告)日:2024-08-01

    申请号:US18421446

    申请日:2024-01-24

    申请人: Xallent Inc.

    IPC分类号: G01R31/28 G01R1/073

    摘要: Micro and nanoscale probes are used in the semiconductor and thin film materials industries to test wafers and samples. Probes supply and measure signals to and from the sample. Signals could be electrical, mechanical, chemical, optical, or photonics. Techniques of capacitance response signal, intensity response signal, photocurrent response signal, piezoresistance response signal, a high frequency response signal, elongated image response signal, contrast response signal, electrical response signal, resonance response signal, current response signal, and/or current-in-plane response signal could be used to determine when the probe tips are in proximity or contact a sample surface.

    VOICE COIL LEAF SPRING PROBER
    5.
    发明公开

    公开(公告)号:US20240125847A1

    公开(公告)日:2024-04-18

    申请号:US18471270

    申请日:2023-09-20

    IPC分类号: G01R31/28 G01R1/067 G01R1/073

    摘要: Aspects of the present disclosure describe a voice coil actuated leaf spring prober that advantageously may be operated to probe every individual device (device under test—DUT) comprising a contemporary wafer. The prober according to aspects of the present disclosure includes one or more probe needles attached in an electrically isolated arrangement to an end of a horizontal-U-shaped, recurved, leaf spring arrangement. The prober includes—for example—a voice coil actuator positioned within the horizontal-U-shaped portion of the leaf spring which—when operated—results in leaf spring displacement and probe needle movement such that it may mechanically/electrically contact the DUT.

    Inspection device
    6.
    发明授权

    公开(公告)号:US11940482B2

    公开(公告)日:2024-03-26

    申请号:US17785920

    申请日:2020-12-01

    发明人: Takashi Isa

    IPC分类号: G01R31/28

    摘要: An upper mechanism including a table provided with a placement surface of an inspection target, a lower mechanism configured to rotatably support the upper mechanism, and a lifting operation unit configured to be supported by the upper mechanism so as to be movable up and down are provided. The lower mechanism includes a rotation drive unit configured to rotate the upper mechanism, and a push-up force output unit configured to lift and lower the lifting operation unit. A transmission member with which a tip of the push-up force output unit can contact or separate is provided at a lower end of the lifting operation unit.

    Integrated heater and temperature measurement

    公开(公告)号:US11828796B1

    公开(公告)日:2023-11-28

    申请号:US18311164

    申请日:2023-05-02

    申请人: AEM Holdings Ltd.

    IPC分类号: G01R31/28

    CPC分类号: G01R31/2875 G01R31/2891

    摘要: Disclosed herein is an integrated heater and measurement (IHM) device comprising heating-sensing element(s) and heating-sensing circuit(s). A heating-sensing element generates heat and determines the temperature of the IHM device. In some embodiments, the heating-sensing element may operate in a plurality of modes: heating mode, sensing mode, and/or off mode. A controller may dynamically adjust the properties of the operation mode and/or time periods based on the determined temperature. The adjusted properties may include the duration of the heating mode, the ON time for a heating-sensing element, etc. The controller may adjust the duration of heating mode based on the temperature difference between the determined temperature and a set point temperature, such as decreasing the duration of the heating mode when there is a low temperature difference, and increasing the duration of the heating mode when there is a high temperature difference.