发明名称 PROBE CARD
摘要 A probe card is provided that is capable of accurately ensuring the flatness and the parallelism with respect to a predetermined reference surface. A point (Q) of application of force applied from a leaf spring (17) that presses a portion near an edge portion of a surface of a probe head (15) from which a plurality of probes projects over an entire circumference in a direction of a substrate to the probe head (15) is positioned inside of an outer edge of the probe head (15), and a point (P) of application of force applied from the retainer (16) that presses a portion near an edge portion of a space transformer (14) over an entire circumference in the direction of the substrate to the space transformer (14) is positioned inside of an outer edge of the space transformer (14).
申请公布号 US2010164518(A1) 申请公布日期 2010.07.01
申请号 US20080450145 申请日期 2008.03.12
申请人 NHK SPRING CO., LTD 发明人 YAMADA YOSHIO;NAKAYAMA HIROSHI;NAGAYA MITSUHIRO;INUMA TSUYOSHI;AKAO TAKASHI
分类号 G01R31/02;G01R31/26 主分类号 G01R31/02
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