CN2756648Y - 一种晶圆氧化膜边缘去除机 - Google Patents
一种晶圆氧化膜边缘去除机 Download PDFInfo
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- CN2756648Y CN2756648Y CN 200420092920 CN200420092920U CN2756648Y CN 2756648 Y CN2756648 Y CN 2756648Y CN 200420092920 CN200420092920 CN 200420092920 CN 200420092920 U CN200420092920 U CN 200420092920U CN 2756648 Y CN2756648 Y CN 2756648Y
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Application Number | Priority Date | Filing Date | Title |
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CN 200420092920 CN2756648Y (zh) | 2004-09-23 | 2004-09-23 | 一种晶圆氧化膜边缘去除机 |
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CN 200420092920 CN2756648Y (zh) | 2004-09-23 | 2004-09-23 | 一种晶圆氧化膜边缘去除机 |
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CN2756648Y true CN2756648Y (zh) | 2006-02-08 |
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CN 200420092920 Expired - Lifetime CN2756648Y (zh) | 2004-09-23 | 2004-09-23 | 一种晶圆氧化膜边缘去除机 |
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Legal Events
Date | Code | Title | Description |
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ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: GRINM SEMICONDUCTOR MATERIALS CO., LTD. Effective date: 20120210 Owner name: GRINM SEMICONDUCTOR MATERIALS CO., LTD. Free format text: FORMER OWNER: BEIJING GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS Effective date: 20120210 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120210 Address after: 100088, 2, Xinjie street, Beijing Patentee after: GRINM Semiconductor Materials Co., Ltd. Address before: 100088, 2, Xinjie street, Beijing Co-patentee before: GRINM Semiconductor Materials Co., Ltd. Patentee before: General Research Institute for Nonferrous Metals |
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C56 | Change in the name or address of the patentee |
Owner name: GRINM ADVANCED MATERIALS CO., LTD. Free format text: FORMER NAME: GRINM SEMICONDUCTOR MATERIALS CO., LTD. |
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CP01 | Change in the name or title of a patent holder |
Address after: 100088, 2, Xinjie street, Beijing Patentee after: YOUYAN NEW MATERIAL CO., LTD. Address before: 100088, 2, Xinjie street, Beijing Patentee before: GRINM Semiconductor Materials Co., Ltd. |
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C17 | Cessation of patent right | ||
CX01 | Expiry of patent term |
Expiration termination date: 20140923 Granted publication date: 20060208 |