| 发明名称 |
Piezoelectric transformer |
| 摘要 |
A compact and high-power piezoelectric transformer is realized by using higher order longitudinal extensional mode vibrations and increasing an effective electromechanical coupling factor by a primary electrode which consists of plural electrodes.
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| 申请公布号 |
US6812623(B2) |
申请公布日期 |
2004.11.02 |
| 申请号 |
US20020253757 |
申请日期 |
2002.09.23 |
| 申请人 |
MATSUSHITA ELECTRIC INDUSTRIAL CO., LTD. |
发明人 |
TAKEDA KATSU;NAKATSUKA HIROSHI;YAMAGUCHI TAKESHI;OKUYAMA KOJIRO;MORITOKI KATSUNORI |
| 分类号 |
H01L41/107;H05B41/282;(IPC1-7):H01L41/08;H01L41/04;H01L41/18;G05F1/00 |
主分类号 |
H01L41/107 |
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