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    • 3. 发明申请
    • Method and system of testing complex MCM's
    • 复杂MCM测试方法与系统
    • US20050104608A1
    • 2005-05-19
    • US10714215
    • 2003-11-13
    • Yuet-Ying YuPaul BodenweberCharles HendricksFrank Seelmann
    • Yuet-Ying YuPaul BodenweberCharles HendricksFrank Seelmann
    • G01R31/28G01R31/02
    • G01R31/2886
    • A system and method for utilizing a multi-probe tester to test an electrical device having a plurality of contact pads. Multi-probe tester test probes and electrical device contact pads are arrayed in a common distribution pitch, and a means for masking test probes masks at least one test probe, thereby preventing the at least one test probe from returning a test result to the testing apparatus. In one embodiment the means for masking test probes is a mask membrane physically preventing at least one test probe from making contact with the electrical device. In another embodiment, the means for masking is at least one software command configured to cause an input from at least one test probe to be disregarded during a test routine. Another embodiment features both mask membrane and software command probe masking.
    • 一种利用多探针测试仪测试具有多个接触垫的电气设备的系统和方法。 多探头测试器测试探针和电气设备接触垫以公共分配间距排列,并且用于掩蔽测试探针的装置掩蔽至少一个测试探针,从而防止至少一个测试探针将测试结果返回到测试装置 。 在一个实施例中,用于掩蔽测试探针的装置是物理上防止至少一个测试探针与电气装置接触的掩模膜。 在另一个实施例中,用于屏蔽的装置是至少一个软件命令,配置成在测试例程期间使来自至少一个测试探针的输入被忽略。 另一个实施例具有掩膜膜和软件命令探针掩蔽。
    • 6. 发明授权
    • Metal buckling beam probe
    • 金属弯曲光束探头
    • US06404211B2
    • 2002-06-11
    • US09248733
    • 1999-02-11
    • Harvey C. HamelCharles H. PerryYuet-Ying Yu
    • Harvey C. HamelCharles H. PerryYuet-Ying Yu
    • G01R3102
    • G01R1/07357
    • A buckling beam probe assembly and a process to make the assembly using insulated metal to hold the vertical beam probe wires. The buckling beam probe assembly electrically connects a test apparatus with contact pads on the surface of a device to be tested. The assembly is formed with a plurality of buckling beam wires each having a head, a body, and a tail. Each of the beam wires is pressed vertically onto the contact pads and buckles laterally to adapt to height differences of the contact pads caused by irregularities on the surface of the device to be tested. A top plate has a first plurality of apertures receiving the heads of the plurality of buckling beam wires. A bottom plate has a second plurality of apertures receiving the tails of the plurality of buckling beams wires. A plurality of intermediate metal sections are positioned between the top plate and the bottom plate. Each of the intermediate metal sections is formed with a plurality of thin metal layers and has a plurality of openings coated with an insulation layer. The bodies of the plurality of buckling beam wires pass through the openings.
    • 屈曲梁探头组件和使用绝缘金属组装以保持垂直梁探针线的工艺。 屈曲梁探针组件将测试装置与待测试装置的表面上的接触垫电连接。 组件形成有多个屈曲束线,每个弯曲束线具有头部,主体和尾部。 每根光束线被垂直地按压到接触垫上并且侧向弯曲,以适应由待测试装置的表面上的不规则引起的接触垫的高度差。 顶板具有容纳多个屈曲束线的头部的第一多个孔。 底板具有接收多个弯曲梁线的尾部的第二多个孔。 多个中间金属部分位于顶板和底板之间。 每个中间金属部分形成有多个薄金属层,并且具有涂覆有绝缘层的多个开口。 多个屈曲束线的主体穿过开口。
    • 9. 发明授权
    • Contamination-tolerant electrical test probe
    • 耐污电测试探头
    • US06429672B2
    • 2002-08-06
    • US09107660
    • 1998-06-30
    • Robert N. WigginYuet-Ying Yu
    • Robert N. WigginYuet-Ying Yu
    • G01R3102
    • G01R1/07357
    • A bed-of-nails type or needle-card type test probe has clusters of parallel buckling beams arranged in a spaced arrangement. The buckling beams are arranged and electrically connected within a cluster so that a contaminant, which may be on the device being tested, does not reduce the accuracy of the test measurements. In particular, the spacing of the buckling beams is such that multiple buckling beams are capable of contacting a single feature on an electronics package to be tested. The buckling beams deflect independently of each other in response to compressive force, and the buckling beams within a cluster are electrically connected in parallel to each other to define redundant, independent conductive paths through the buckling beams. In this way, if a contaminant prevents one of the buckling beams of the cluster from making electrical contact with the feature to be tested, the other one or more of the buckling beams of the cluster will make the required electrical connection.
    • 甲床型或针卡型测试探针具有以间隔布置的方式布置的平行弯曲梁的簇。 屈曲梁被布置和电连接在群集内,使得可能在被测试的设备上的污染物不会降低测试测量的精度。 特别地,屈曲梁的间距使得多个屈曲梁能够接触待测试的电子封装上的单个特征。 屈曲梁响应于压缩力而彼此独立地偏转,并且簇内的弯曲梁彼此并联地电连接以限定通过弯曲梁的冗余的独立导电路径。 以这种方式,如果污染物防止簇的一个屈曲梁与要测试的特征电接触,则簇的另一个或多个屈曲梁将进行所需的电连接。