ELECTRET DEVICE

Provided is a long-life electret device preventing charge degradation of an electret element sealed in a closed space. The provided electret device includes: a package member; a lid member; and an electret element, the lid member seals the package member to thereby form a closed space, the electret...

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Bibliographic Details
Main Authors ISHIGURO Takuma, ISHIBASHI Kazunori, MITSUYA Hiroyuki
Format Patent
LanguageEnglish
French
German
Published 07.02.2024
Subjects
BASIC ELECTRIC ELEMENTS
CAPACITORS
CAPACITORS, RECTIFIERS, DETECTORS, SWITCHING DEVICES ORLIGHT-SENSITIVE DEVICES, OF THE ELECTROLYTIC TYPE
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
GENERATION
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Summary:Provided is a long-life electret device preventing charge degradation of an electret element sealed in a closed space. The provided electret device includes: a package member; a lid member; and an electret element, the lid member seals the package member to thereby form a closed space, the electret element is placed in the closed space, and a hydrogen getter is included in at least part of an inside of the closed space.
Bibliography:Application Number: EP20220815660