Semiconductor aging test method and system
The invention discloses a semiconductor aging test method. The method comprises the following steps: acquiring electrical performance parameters of a semiconductor device at different time points; acquiring environmental parameters during a test period; the electrical performance parameters and the...
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Format: | Patent |
Sprache: | chi ; eng |
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Zusammenfassung: | The invention discloses a semiconductor aging test method. The method comprises the following steps: acquiring electrical performance parameters of a semiconductor device at different time points; acquiring environmental parameters during a test period; the electrical performance parameters and the environmental parameters are stored in a database, and screening indexes are formulated; traversing an information database of the semiconductor device according to the screening index to perform feature extraction, obtaining a screening information database of the semiconductor device, and obtaining an aging performance test parameter set of the semiconductor device; a semiconductor aging degree comprehensive evaluation model is obtained in advance; using known historical data to train and verify the semiconductor aging degree comprehensive evaluation model; the verified model is applied to real test data, and the current aging degree of the semiconductor device is predicted; and evaluating the aging degree of the |
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