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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | Yang, Yizhang Sadegh, M. Sadeghipour Asheghi, Mehdi |
| Copyright Year | 2003 |
| Abstract | With the further miniaturization of the GMR heads, the electrostatic discharge (ESD) failure has become the primary reliability issue in manufacturing of these sensors. The Joule heating effect during the ESD events result in both thermal and magnetic damages in GMR heads. In this paper, the thermal response of the GMR read head to the excessive current/voltage during an ESD event is investigated numerically using a 3-D finite element analysis. Unlike the previous studies, the thermal properties of the GMR and Al2O3 gap layers used in the simulation are the experimentally measured values. The temperature-rise in GMR heads under human-body-model (HBM) source current is obtained for a range of GMR dimensions and thermal properties of its constituent materials. The simulation results show that temperature in the GMR element sharply increases as the GMR dimensions are reduced, indicating the future GMR heads are more susceptible to the ESD damages. In addition, thermal properties of the GMR and gap materials play key roles in accurate prediction of the temperature field in GMR head during ESD events. |
| Sponsorship | Heat Transfer Division |
| Starting Page | 83 |
| Ending Page | 88 |
| Page Count | 6 |
| File Format | |
| ISBN | 0791836932 |
| DOI | 10.1115/HT2003-47266 |
| e-ISBN | 0791836797 |
| Volume Number | Heat Transfer: Volume 1 |
| Conference Proceedings | ASME 2003 Heat Transfer Summer Conference |
| Language | English |
| Publisher Date | 2003-07-21 |
| Publisher Place | Las Vegas, Nevada, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Temperature Dimensions Modeling Thermal properties Joules Simulation results Simulation Heating Sensors Finite element analysis Manufacturing Damage Reliability Failure |
| Content Type | Text |
| Resource Type | Article |
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