Abstract
This paper summarizes polariscopy work that led to prototype non-contact, near-infrared light-transmission system for inspecting thin, flat, large-area Si wafers. Acoustic work led to commercially viable system to inspect wafers for microcracks.
| Original language | American English |
|---|---|
| Publisher | National Renewable Energy Laboratory (NREL) |
| Number of pages | 27 |
| State | Published - 2008 |
Bibliographical note
Work performed by Georgia Institute of Technology, Atlanta, Georgia and University of South Florida, Tampa, FloridaNLR Publication Number
- NREL/SR-520-44237
Keywords
- crack detection
- full-field birefringence
- infrared photoelasticity
- PV
- residual stress
- resonance ultrasonic vibration
- silicon sheets
- silicon wafers
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