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    • 4. 发明授权
    • Method and apparatus for rapid thermal testing
    • 用于快速热测试的方法和装置
    • US07287903B2
    • 2007-10-30
    • US10783166
    • 2004-02-20
    • Timothy A. EstesRobert Neves
    • Timothy A. EstesRobert Neves
    • G01N25/00G01R31/00
    • G01R31/2818G01N3/60G01N19/04G01R31/2817
    • An apparatus for rapid thermal testing of samples consisting of a single sample chamber in which the samples are preferably arranged circularly around the opening through which a fluid of varying temperature, preferably air, is introduced to provide for rapid, uniform cooling and heating of the samples. The samples are preferably uniformly spaced to allow for uniform air flow. The samples are mounted in slots which are preferably oriented radially outward from the opening. The sample mounts comprise electrical connectors which form a network connected to at least one ohmmeter for measuring the resistance of the samples. The samples preferably comprise test coupons, each with multiple daisy-chained nets of vias or other components to be tested. Also a method for thermal testing of samples consisting of steps to characterize the samples before the test is run. First, the resistance of the samples which correlates to each target temperature is determined, and the time required for the samples to reach that resistance when they are heated or cooled is measured. Then, for reliability testing, the temperature of the samples is cycled between the target temperatures, where the cycle segment durations are given by the times measured in the characterization steps.
    • 用于对由单个样品室组成的样品进行快速热测试的装置,其中样品优选围绕开口循环布置,通过该开口引入变化温度的流体,优选空气,以提供样品的快速均匀冷却和加热 。 样品优选地均匀间隔开以允许均匀的气流。 样品安装在优选地从开口径向向外取向的槽中。 样品安装件包括电连接器,其形成连接到至少一个欧姆表的网络,用于测量样品的电阻。 样品优选包含测试试样,每个试样均具有多个菊花链的通孔或待测试的其它组分。 还有一种用于测试样品的热测试方法,其中包括在运行测试之前对样品进行特征化的步骤。 首先,确定与每个目标温度相关的样品的电阻,并且测量样品在被加热或冷却时达到该电阻所需的时间。 然后,为了进行可靠性测试,样品的温度在目标温度之间循环,其中循环段持续时间由表征步骤测量的时间给出。