Actuator including a dielectric elastomer and electrode films
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United States of America Patent
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Jan 30, 2018
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app pub date -
May 28, 2015
filing date -
May 28, 2015
priority date (Note) -
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Abstract
An actuator capable of preventing occurrence of insulation breakdown while achieving an appropriate operation performance of a dielectric elastomer is provided. Electrode films to be bonded to a dielectric elastomer are formed such that a characteristic of a change in thickness d of the elastomer with an increase in an applied voltage of the elastomer shows a first voltage range in which a decline rate of to the increase in is high and a second voltage range, including a voltage higher than the first voltage range, in which the decline rate of d to the increase in is low, and a voltage value at which the insulation breakdown of the elastomer occurs falls within the second voltage range.
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