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    • 8. 再颁专利
    • Method and apparatus for performing automated circuit board solder
quality inspections
    • 执行自动化电路板焊料质量检查的方法和装置
    • USRE35423E
    • 1997-01-14
    • US182841
    • 1994-01-14
    • John AdamsJuan Amoroso, Jr.Paul AxfordPhil BowlesMike JuhaVan NguyenCharles PreskittEd RossDoug ThompsonPaul Turner
    • John AdamsJuan Amoroso, Jr.Paul AxfordPhil BowlesMike JuhaVan NguyenCharles PreskittEd RossDoug ThompsonPaul Turner
    • H01L21/66G01N23/04G01N23/18G01R31/304G06T7/00H05K3/34G06F15/46
    • G06T7/0006G01N23/18G01R31/304G06T2207/10121G06T2207/30141G06T2207/30152Y10S378/901
    • A method and apparatus for measuring structural characteristics of a manufactured circuit board containing solder joints by automated real-time digital X-ray radiographic inspection techniques. A circuit board under examination is automatically positioned by a digitally controlled multi-axis positioning system between an electronic X-ray source and an electronic X-ray imaging system, X-rays, in a beam of X-rays from the X-ray source, are directed towards the circuit board. The X-rays are absorbed, scattered and transmitted through the circuit board. The X-rays transmitted through the circuit board are directed upon the X-ray imaging system. The X-ray imaging system converts the transmitted X-rays into digital images which represent the radiographic density of the portion of the circuit board under examination. The digital images are stored within a digital image processor. A computer, under program control, performs calculational measurements on the digital images so as to measure the structural characteristics of the solder joints and components on the circuit board. The calculational measurements are compared to predetermined standards corresponding to acceptable quality standards programmed into the computer. In response to the comparison, the computer provides an accept/reject decision on the circuit board in addition to providing manufacturing process control information for correction of found defects.The questions raised in reexamination request No. 90/002,298, filed Mar. 15, 1991, have been considered and the results thereof are reflected in this reissue patent which constitutes the reexamination certificate required by 35 U.S.C. 307 as provided in 37 CRF 1.570(e).
    • 一种用于通过自动实时数字X射线照相检查技术测量制造的包含焊点的电路板的结构特性的方法和装置。 正在检查的电路板通过数字控制的多轴定位系统在电子X射线源和电子X射线成像系统之间通过X射线从X射线源X射线自动定位 ,指向电路板。 X射线被吸收,散射并透过电路板。 通过电路板传输的X射线被引导到X射线成像系统。 X射线成像系统将透射的X射线转换为表示正在检查的电路板的部分的放射照相密度的数字图像。 数字图像存储在数字图像处理器中。 计算机在程序控制下,对数字图像执行计算测量,以便测量电路板上焊点和部件的结构特性。 将计算测量与对应于编入计算机的可接受的质量标准的预定标准进行比较。 响应于比较,除了提供用于校正发现的缺陷的制造过程控制信息之外,计算机还在电路板上提供接受/拒绝决定。 已经考虑了1991年3月15日提交的第90 / 002,298号复审请求中提出的问题,其结果反映在该重新颁发专利中,该专利构成了35U.S.C.所要求的复审证书。 307如CRF 1.570(e)所述。
    • 9. 发明申请
    • Runtime flash device detection and configuration for flash data management software
    • 闪存数据管理软件的运行时闪存设备检测和配置
    • US20070291552A1
    • 2007-12-20
    • US11895185
    • 2007-08-23
    • Joseph KhatamiVan NguyenWanmo Wong
    • Joseph KhatamiVan NguyenWanmo Wong
    • G11C11/34
    • G11C16/20
    • A memory device driver is described that can support multiple differing memory devices, in particular, differing Flash memory devices, by being internally re-configurable to match the driving and management requirements of the particular memory device. This allows for a limited number of operating system versions to be produced and maintained for a given system by the manufacturer, reducing the possibility of misconfiguration of the system/device by the inadvertent updating or programming of the wrong operating system version by an end user or service personnel. The resulting driver routine and/or operating system is also typically smaller than operating systems/drivers that compile in or load multiple separate drivers into themselves. In one embodiment of the present invention, the software driver is automatically configures itself by querying the memory device for a device ID and/or manufacturer code or by detecting a specific characteristic of the memory device being driven.
    • 描述了可以通过在内部可重新配置以匹配特定存储器件的驱动和管理要求来支持多个不同存储器件,特别是不同闪存器件的存储器件驱动器。 这允许制造商为给定的系统生产和维护有限数量的操作系统版本,从而减少由最终用户无意地更新或编程错误的操作系统版本的系统/设备的错误配置的可能性,或者 服务人员。 所产生的驱动程序例程和/或操作系统通常也小于在其中编译或加载多个单独驱动程序的操作系统/驱动程序。 在本发明的一个实施例中,软件驱动程序通过向存储器件询问设备ID和/或制造商代码或者通过检测被驱动的存储器件的特定特性来自动配置自身。