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    • 8. 发明授权
    • Test substrate reclamation method and apparatus
    • 测试基板回收方法和装置
    • US06954711B2
    • 2005-10-11
    • US10440937
    • 2003-05-19
    • Israel BeinglassPaul V. Miller
    • Israel BeinglassPaul V. Miller
    • H01L21/02H01L21/00H01L21/66G06F19/00
    • H01L21/67294H01L21/67276
    • Test substrates used to test semiconductor fabrication tools are reclaimed by reading from a database the process steps performed on each test substrate and selecting a reclamation process from a plurality of reclamation processes, for reclaiming each test substrate. Information identifying the processes performed on each test substrate and the reclamation process selected for each test substrate, may be stored in a test substrate history database. Each test substrate is sorted and placed into a group of test substrates having a common reclamation process assigned to the test substrates of the group. The bins in which the sorted test substrates are stored are each labeled with identifying information including basic or detailed information on the reclamation process selected for the test substrates stored in the bin. The information may also include a list of the test substrates stored in each bin. Information identifying the test substrates stored in each bin and the reclamation process selected for those test substrates may also be stored in a database for those bins. The sorted test substrates may be removed from the bins by a reclamation operator in an automated system in which an identification code is read from each test substrate by a suitable reader. The reclamation process assigned to each test substrate can be read from a database supplied to the operator to verify which reclamation process was assigned to each test substrate prior to reclaiming the test substrate.
    • 用于测试半导体制造工具的测试衬底通过从数据库读取在每个测试衬底上执行的工艺步骤并从多个回收工艺中选择回收工艺来回收,用于回收每个测试衬底。 识别在每个测试基板上执行的处理的信息和为每个测试基板选择的回收处理可以存储在测试基板历史数据库中。 将每个测试基底分选并放置在一组具有分配给该组的测试底物的共同回收过程的测试基底上。 存储有排序的测试基板的箱体每个都标有标识信息,其中包括关于为存储在箱中的测试基板选择的回收过程的基本或详细信息。 该信息还可以包括存储在每个仓中的测试基板的列表。 识别存储在每个仓中的测试基板的信息和为这些测试基板选择的回收过程也可以存储在用于这些仓的数据库中。 排序的测试基板可以通过自动化系统中的回收操作员从箱中移除,其中通过合适的读取器从每个测试基板读取识别代码。 可以从提供给操作员的数据库中读取分配给每个测试基板的回收过程,以验证在回收测试基板之前哪个回收处理被分配给每个测试基板。