CN100488725C - 一种有效控制研磨垫使用寿命的方法 - Google Patents
一种有效控制研磨垫使用寿命的方法 Download PDFInfo
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- CN100488725C CN100488725C CNB200610118220XA CN200610118220A CN100488725C CN 100488725 C CN100488725 C CN 100488725C CN B200610118220X A CNB200610118220X A CN B200610118220XA CN 200610118220 A CN200610118220 A CN 200610118220A CN 100488725 C CN100488725 C CN 100488725C
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- Mechanical Treatment Of Semiconductor (AREA)
- Finish Polishing, Edge Sharpening, And Grinding By Specific Grinding Devices (AREA)
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CNB200610118220XA CN100488725C (zh) | 2006-11-10 | 2006-11-10 | 一种有效控制研磨垫使用寿命的方法 |
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CNB200610118220XA CN100488725C (zh) | 2006-11-10 | 2006-11-10 | 一种有效控制研磨垫使用寿命的方法 |
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CN101176985A CN101176985A (zh) | 2008-05-14 |
CN100488725C true CN100488725C (zh) | 2009-05-20 |
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CNB200610118220XA Expired - Fee Related CN100488725C (zh) | 2006-11-10 | 2006-11-10 | 一种有效控制研磨垫使用寿命的方法 |
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CN115533737B (zh) * | 2022-11-30 | 2023-04-11 | 合肥晶合集成电路股份有限公司 | 一种化学机械研磨方法及系统 |
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CN101176985A (zh) | 2008-05-14 |
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C14 | Grant of patent or utility model | ||
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ASS | Succession or assignment of patent right |
Owner name: SHANGHAI HUAHONG GRACE SEMICONDUCTOR MANUFACTURING Free format text: FORMER OWNER: HUAHONG NEC ELECTRONICS CO LTD, SHANGHAI Effective date: 20131216 |
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C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 201206 PUDONG NEW AREA, SHANGHAI TO: 201203 PUDONG NEW AREA, SHANGHAI |
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TR01 | Transfer of patent right |
Effective date of registration: 20131216 Address after: 201203 Shanghai city Zuchongzhi road Pudong New Area Zhangjiang hi tech Park No. 1399 Patentee after: Shanghai Huahong Grace Semiconductor Manufacturing Corporation Address before: 201206, Shanghai, Pudong New Area, Sichuan Road, No. 1188 Bridge Patentee before: Shanghai Huahong NEC Electronics Co., Ltd. |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090520 Termination date: 20181110 |
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CF01 | Termination of patent right due to non-payment of annual fee |