发明名称 |
Piezoelectric microspeaker and method of fabricating the same |
摘要 |
Provided are a piezoelectric microspeaker and a method of fabricating the same. In the piezoelectric microspeaker, a diaphragm includes a first region and a second region. The first region may be formed of a material capable of maximizing an exciting force, and the second region may be formed of a material having less initial stress and a lower Young's modulus than the first region. |
申请公布号 |
US8280079(B2) |
申请公布日期 |
2012.10.02 |
申请号 |
US20090430652 |
申请日期 |
2009.04.27 |
申请人 |
CHUNG SEOK-WHAN;KIM DONG-KYUN;JEONG BYUNG-GIL;SAMSUNG ELECTRONICS CO., LTD. |
发明人 |
CHUNG SEOK-WHAN;KIM DONG-KYUN;JEONG BYUNG-GIL |
分类号 |
H04R25/00 |
主分类号 |
H04R25/00 |
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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