发明名称 |
Acoustic diaphragm and method for manufacturing an acoustic diaphragm |
摘要 |
There is provided an acoustic diaphragm which includes a diaphragm base material composed of a paper article comprised of fine mica flakes, pulp fibers, and polyvinyl alcohol fibers and formed to be a multi-cellular structure; and a sheet material combined with the paper article or the diaphragm base material.
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申请公布号 |
US7708111(B2) |
申请公布日期 |
2010.05.04 |
申请号 |
US20060486003 |
申请日期 |
2006.07.14 |
申请人 |
SONY CORPORATION |
发明人 |
URYU MASARU;TOKURA KUNIHIKO;TAGAMI TAKAHISA;IKEDA EMIKO |
分类号 |
G10K13/00;H04R7/02;H04R7/06;H04R7/10 |
主分类号 |
G10K13/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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