CN201437559U - 一种硅单晶生长用勾形电磁场的屏蔽装置 - Google Patents
一种硅单晶生长用勾形电磁场的屏蔽装置 Download PDFInfo
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- CN201437559U CN201437559U CN2009201079674U CN200920107967U CN201437559U CN 201437559 U CN201437559 U CN 201437559U CN 2009201079674 U CN2009201079674 U CN 2009201079674U CN 200920107967 U CN200920107967 U CN 200920107967U CN 201437559 U CN201437559 U CN 201437559U
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CN2009201079674U CN201437559U (zh) | 2009-05-11 | 2009-05-11 | 一种硅单晶生长用勾形电磁场的屏蔽装置 |
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CN2009201079674U CN201437559U (zh) | 2009-05-11 | 2009-05-11 | 一种硅单晶生长用勾形电磁场的屏蔽装置 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103952752A (zh) * | 2014-04-03 | 2014-07-30 | 西安理工大学 | 单晶炉的磁屏蔽体结构 |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103952752A (zh) * | 2014-04-03 | 2014-07-30 | 西安理工大学 | 单晶炉的磁屏蔽体结构 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
C56 | Change in the name or address of the patentee |
Owner name: BEIJING JINGYI CENTURY ELECTRONICS CO., LTD. Free format text: FORMER NAME: BEIJING JINGYI CENTURY AUTOMATION EQUIPMENT CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: 100079 Beijing City, Fengtai District Songjiazhuang Yongwai weizikeng 2 Patentee after: Beijing Jingyishiji Electronic Co., Ltd. Address before: 100079 Beijing City, Fengtai District Songjiazhuang Yongwai weizikeng 2 Patentee before: Beijing Jingyi Century Automatic Equipment Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100414 Termination date: 20150511 |
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