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http://hdl.handle.net/1942/5530
Title: | A method to minimize test times for accelerated testing of pHEMT's by analysis of the elctronic fingerprint of the initial stage of degradation | Authors: | PETERSEN, Rainer DE CEUNINCK, Ward DE SCHEPPER, Luc Muraro, J.-L. |
Issue Date: | 2000 | Publisher: | PERGAMON-ELSEVIER SCIENCE LTD | Source: | Microelectronics and reliability, 40(8-10). p. 1721-1726 | Abstract: | Accelerated life testing provides a necessary tool for reliability validation but is generally very time-consuming as standard test take up to 2000 hours to proceed. In this article, results on the early stages of the ageing of pHEMT transistors are presented and it is shown that the necessary test time can be decreased from 2000 hours to 144 hours without loss of data confidence. This has been enabled by the application of an insitu measurement method where the ageing of the device under test is characterized during the stress phase. Two main degradation factors can be identified in good agreement with findings reported in literature. The data have been successfully correlated with standard test results performed on a 2000 hours time scale. | Document URI: | http://hdl.handle.net/1942/5530 | DOI: | 10.1016/S0026-2714(00)00111-6 | ISI #: | 000089532800079 | Category: | A1 | Type: | Journal Contribution | Validations: | ecoom 2001 |
Appears in Collections: | Research publications |
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