发明名称 |
DRIVING METHOD OF ELECTROSTRICTION TYPE CONVERTER |
摘要 |
PURPOSE:To make it possible to detect positioning and set a position stably by cutting off the AC driving voltage while descending it gradually at the time when the positioning of moving and fixing marks is completed by the AC-DC superposed voltage. |
申请公布号 |
JPS5352098(A) |
申请公布日期 |
1978.05.12 |
申请号 |
JP19760127478 |
申请日期 |
1976.10.22 |
申请人 |
NIPPON TELEGRAPH & TELEPHONE;FUJITSU LTD |
发明人 |
OOTSUKA NAOJI;YOSHIDA KAZUE;TAMAMUSHI KAZUO;OOTSUKA SATORU |
分类号 |
G11B5/592;H01L41/00;H01L41/09;H02N2/00 |
主分类号 |
G11B5/592 |
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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