Electrically induced mechanical precompression of ferroelectric plates
Patent
·
OSTI ID:866457
- Albuquerque, NM
A method of electrically inducing mechanical precompression of a ferroelectric plate covered with electrodes utilizes the change in strains of the plate as functions of applied electric field. A first field polarizes and laterally shrinks the entire plate. An outer portion of the electrodes are removed, and an opposite field partially depolarizes and expands the central portion of the plate against the shrunk outer portion.
- Research Organization:
- AT&T
- DOE Contract Number:
- AC04-76DP00789
- Assignee:
- United States of America as represented by United States (Washington, DC)
- Patent Number(s):
- US 4714848
- OSTI ID:
- 866457
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
electrically
induced
mechanical
precompression
ferroelectric
plates
method
inducing
plate
covered
electrodes
utilizes
change
strains
functions
applied
electric
field
polarizes
laterally
shrinks
entire
outer
portion
removed
opposite
partially
depolarizes
expands
central
shrunk
outer portion
electric field
central portion
applied electric
mechanical precompression
electrically induced
/310/29/361/
induced
mechanical
precompression
ferroelectric
plates
method
inducing
plate
covered
electrodes
utilizes
change
strains
functions
applied
electric
field
polarizes
laterally
shrinks
entire
outer
portion
removed
opposite
partially
depolarizes
expands
central
shrunk
outer portion
electric field
central portion
applied electric
mechanical precompression
electrically induced
/310/29/361/