Biasing and fast degaussing circuit for magnetic materials
Patent
·
OSTI ID:6920696
A dual-function circuit is provided which may be used to both magnetically bias and alternately, quickly degauss a magnetic device. The circuit may be magnetically coupled or directly connected electrically to a magnetic device, such as a magnetostrictive transducer, to magnetically bias the device by applying a dc current and alternately apply a selectively damped ac current to the device to degauss the device. The circuit is of particular value in many systems which use magnetostrictive transducers for ultrasonic transmission in different propagation modes over very short time periods.
- DOE Contract Number:
- AC05-84OR21400
- Assignee:
- Dept of Energy
- Application Number:
- ON: DE84011281
- OSTI ID:
- 6920696
- Resource Relation:
- Other Information: Portions are illegible in microfiche products
- Country of Publication:
- United States
- Language:
- English
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