Apparatus and method for identification and recognition of an item with ultrasonic patterns from item subsurface micro-features
Patent
·
OSTI ID:106709
The present invention is a means and method for identification and recognition of an item by ultrasonic imaging of material microfeatures and/or macrofeatures within the bulk volume of a material. The invention is based upon ultrasonic interrogation and imaging of material microfeatures within the body of material by accepting only reflected ultrasonic energy from a preselected plane or volume within the material. An initial interrogation produces an identification reference. Subsequent new scans are statistically compared to the identification reference for making a match/non-match decision. 15 figs.
- Research Organization:
- Battelle Memorial Institute
- DOE Contract Number:
- AC06-76RL01830
- Assignee:
- Battelle Memorial Inst., Richland, WA (United States)
- Patent Number(s):
- US 5,454,045/A/
- Application Number:
- PAN: 8-228,477
- OSTI ID:
- 106709
- Country of Publication:
- United States
- Language:
- English
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