CN201211643Y - 一种新型的修布砂轮装置 - Google Patents
一种新型的修布砂轮装置 Download PDFInfo
- Publication number
- CN201211643Y CN201211643Y CNU2007201734845U CN200720173484U CN201211643Y CN 201211643 Y CN201211643 Y CN 201211643Y CN U2007201734845 U CNU2007201734845 U CN U2007201734845U CN 200720173484 U CN200720173484 U CN 200720173484U CN 201211643 Y CN201211643 Y CN 201211643Y
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- CN
- China
- Prior art keywords
- mending
- grinding wheel
- ceramic wafer
- novel
- polishing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007201734845U CN201211643Y (zh) | 2007-09-29 | 2007-09-29 | 一种新型的修布砂轮装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CNU2007201734845U CN201211643Y (zh) | 2007-09-29 | 2007-09-29 | 一种新型的修布砂轮装置 |
Publications (1)
Publication Number | Publication Date |
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CN201211643Y true CN201211643Y (zh) | 2009-03-25 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNU2007201734845U Expired - Lifetime CN201211643Y (zh) | 2007-09-29 | 2007-09-29 | 一种新型的修布砂轮装置 |
Country Status (1)
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CN (1) | CN201211643Y (zh) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103817600A (zh) * | 2012-11-16 | 2014-05-28 | 有研半导体材料股份有限公司 | 一种双面抛光用抛光布的修整工艺 |
CN117245458A (zh) * | 2023-11-16 | 2023-12-19 | 山东有研艾斯半导体材料有限公司 | 一种硅片的中抛光方法、硅片及其制备方法 |
-
2007
- 2007-09-29 CN CNU2007201734845U patent/CN201211643Y/zh not_active Expired - Lifetime
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103817600A (zh) * | 2012-11-16 | 2014-05-28 | 有研半导体材料股份有限公司 | 一种双面抛光用抛光布的修整工艺 |
CN117245458A (zh) * | 2023-11-16 | 2023-12-19 | 山东有研艾斯半导体材料有限公司 | 一种硅片的中抛光方法、硅片及其制备方法 |
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Legal Events
Date | Code | Title | Description |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Free format text: FORMER OWNER: GRINM SEMICONDUCTOR MATERIALS CO., LTD. Effective date: 20120113 Owner name: GRINM SEMICONDUCTOR MATERIALS CO., LTD. Free format text: FORMER OWNER: BEIJING GENERAL RESEARCH INSTITUTE FOR NONFERROUS METALS Effective date: 20120113 |
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C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20120113 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 |
|
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. |
|
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. |
|
ASS | Succession or assignment of patent right |
Owner name: GRINM SEMICONDUCTOR MATERIALS CO., LTD. Free format text: FORMER OWNER: GRINM ADVANCED MATERIALS CO., LTD. Effective date: 20150611 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20150611 Address after: 101300 Beijing city Shunyi District Shuanghe Linhe Industrial Development Zone on the south side of the road Patentee after: You Yan Semi Materials Co., Ltd. Address before: 100088, 2, Xinjie street, Beijing Patentee before: YOUYAN NEW MATERIAL CO., LTD. |
|
CX01 | Expiry of patent term |
Granted publication date: 20090325 |
|
CX01 | Expiry of patent term |