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    • 88. 发明授权
    • Inspection method for soldered joints using x-ray imaging and apparatus
therefor
    • 使用X射线成像的焊接接头的检查方法及其设备
    • US5463667A
    • 1995-10-31
    • US53240
    • 1993-04-28
    • Toshiaki IchinoseTakanori NinomiyaAsahiro KuniKozo NakahataToshimitsu HamadaToshihiko Ayabe
    • Toshiaki IchinoseTakanori NinomiyaAsahiro KuniKozo NakahataToshimitsu HamadaToshihiko Ayabe
    • G01N23/04H01L21/66H01L23/50H05K3/34H05K13/08
    • H05K13/08G01N23/04
    • A method and an apparatus for inspecting a soldered joint with an X-ray, the soldered joint being formed by soldering a lead to a surface of a substrate. The method may include moving the substrate so as to move the surface of the substrate in an XY plane to position the soldered joint at a desired position in the XY plane, rotating the substrate so as to rotate the surface of the substrate in the XY plane to position the soldered joint at a desired orientation in the XY plane, rotating an X-ray source and a detector about the soldered joint in both of two mutually perpendicular planes perpendicular to the XY plane while maintaining the X-ray source and the detector at fixed positions relative to each other to establish a desired oblique irradiation angle between an X-ray from the X-ray source and the lead on the surface of the substrate, irradiating the soldered joint with the X-ray from the X-ray source at the desired oblique irradiation angle such that the X-ray is transmitted through the soldered joint and the substrate, detecting the X-ray transmitted through the soldered joint and the substrate with the detector, the detector producing an output signal indicative of the detected X-ray, and determining a condition of the soldered joint based on the output signal of the detector. The apparatus may operate in the same fashion.
    • 一种用X射线检测焊接接头的方法和装置,所述焊接接头通过将引线焊接到基板的表面而形成。 该方法可以包括移动基板以使基板的表面在XY平面中移动,以将焊接接头定位在XY平面中的期望位置,旋转基板以使基板的表面在XY平面中旋转 将焊接接头定位在XY平面中所需的取向上,使X射线源和检测器围绕焊接接头在与XY平面垂直的两个相互垂直的平面中旋转,同时将X射线源和检测器保持在 固定位置,以建立来自X射线源的X射线与衬底表面上的铅之间的期望的倾斜照射角度,用X射线源的X射线照射焊接接头 所需的倾斜照射角度,使得X射线透射通过焊接接头和基板,通过检测器检测透过焊接接头和基板的X射线,检测器产品 选择表示检测到的X射线的输出信号,以及基于检测器的输出信号确定焊接接头的状态。 该装置可以以相同的方式操作。
    • 89. 发明授权
    • Pattern defects detection method and apparatus
    • 图案缺陷检测方法和装置
    • US4953224A
    • 1990-08-28
    • US158125
    • 1988-02-16
    • Toshiaki IchinoseTakanori NinomiyaYasuo Nakagawa
    • Toshiaki IchinoseTakanori NinomiyaYasuo Nakagawa
    • G06T7/00G06K9/00
    • G06T7/0006G06T2207/30141
    • A pattern defect detecting method and apparatus are disclosed on a connectivity processor to input a binary picture signal pattern and a pad position coordinate and outputting connectivity data between pads. Here, the connectivity processing refers to a processing for giving the identical number to one aggregation of connected or linked pads for the pads given to a serial pattern. In the connectivity processor wherein a plane on which the drawn pattern to be inspected is scanned by a linear sensor, the connectivity processing can be releazed almost concurrently with the scanning by driving a temporary memory.Also, a pattern defect detecting apparatus the above-mentioned connectivity. The invention processing coping with the difficulties of a required inspection level, and also represents a processing time of each embodiment theoretically. A moving time of the bed on which an inspecting object is placed and others are added to the real processing time.
    • 在连接性处理器上公开了一种图案缺陷检测方法和装置,用于输入二进制图像信号模式和焊盘位置坐标,并在焊盘之间输出连接数据。 这里,连接处理是指给予给予串行模式的焊盘的连接或连接焊盘的一个聚合相同数量的处理。 在其中通过线性传感器扫描要检查的绘制图案的平面的连接处理器中,可以通过驱动临时存储器几乎与扫描同时地进行连接处理。 此外,图案缺陷检测装置具有上述连接性。 本发明处理应对所需检查水平的困难,并且也表示理论上各实施例的处理时间。 检查对象被放置的床的移动时间和其他被添加到实际处理时间。