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Keywords: data acquisition
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Journal Articles
Article Type: Research Papers
J. Electron. Packag. December 2010, 132(4): 041002.
Published Online: November 19, 2010
... by a data acquisition system. A new feature extraction method is presented to characterize the transient property of the electrical signals and further evaluate the bond quality. The method includes three steps. First, the captured voltage and current are filtered by digital bandpass filter banks to obtain...
Journal Articles
Article Type: Technical Papers
J. Electron. Packag. March 2003, 125(1): 39–43.
Published Online: March 14, 2003
... results are presented, showing that power spectrum estimation can greatly increase the signal-to-noise ratio than when only time domain averaging is used. This speeds up the data acquisition and analysis process. In the time domain, “error ratio” is used to measure the difference between a good chip...