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Title:
ELECTRO-ACOUSTIC TRANSDUCER DIAPHRAGM
Document Type and Number:
WIPO Patent Application WO/2021/246427
Kind Code:
A1
Abstract:
[Problem] To provide an electro-acoustic transducer diaphragm which maintains a high Young's modulus and realizes moderate internal loss. [Solution] An electro-acoustic transducer diaphragm 1 includes a substrate 10 which is constituted of a fiber material based on cellulose, and which has formed therein a mixture layer 11 of a fiber material 20 and silk nanofibers 21.

Inventors:
KAJIWARA HISAMI (JP)
MIWA MASAHIRO (JP)
Application Number:
PCT/JP2021/020924
Publication Date:
December 09, 2021
Filing Date:
June 02, 2021
Export Citation:
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Assignee:
FOSTER ELECTRIC CO LTD (JP)
International Classes:
H04R7/02; H04R7/12
Domestic Patent References:
WO2015011903A12015-01-29
Foreign References:
JP2003116199A2003-04-18
JP2005236497A2005-09-02
JP2017046258A2017-03-02
JP2018152740A2018-09-27
US20190040110A12019-02-07
CN105113038A2015-12-02
Attorney, Agent or Firm:
MAEKAWA Naoki (JP)
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