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| Content Provider | The American Society of Mechanical Engineers (ASME) Digital Collection |
|---|---|
| Author | David, A. Lavan Boyce, B. L. Buchheit, T. E. |
| Copyright Year | 2002 |
| Abstract | Mechanical testing of thin films for MEMS has progressed from a developmental stage to a point where validated techniques are used to study the behavior of devices and materials at a very fine scale. Tensile data covering a range of sizes and test techniques have been analyzed to examine the distribution of defects that would be responsible for the observed fracture strengths. For each sample, a critical defect size was calculated based on a published fracture toughness and a half-circular surface crack fracture toughness model. For polysilicon produced using the SUMMiT V process in the period 1998–1999, the calculated mean defect size was 115 nm. For polysilicon produced using the MUMPS process, the calculated mean defect size was 389 nm. |
| Sponsorship | Microelectromechanical Systems |
| Starting Page | 573 |
| Ending Page | 576 |
| Page Count | 4 |
| File Format | |
| ISBN | 0791836428 |
| DOI | 10.1115/IMECE2002-32393 |
| Volume Number | Microelectromechanical Systems |
| Conference Proceedings | ASME 2002 International Mechanical Engineering Congress and Exposition |
| Language | English |
| Publisher Date | 2002-11-17 |
| Publisher Place | New Orleans, Louisiana, USA |
| Access Restriction | Subscribed |
| Subject Keyword | Microelectromechanical systems Thin films Fracture (process) Silicon Polysilicon Mechanical testing Fracture (materials) Surface cracks Fracture toughness |
| Content Type | Text |
| Resource Type | Article |
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