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Method and apparatus for mechanical planarization and endpoint detection of a semiconductor wafer 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B24B-049/00
출원번호 US-0876588 (1992-04-30)
발명자 / 주소
  • Schultz Laurence D. (Boise ID)
출원인 / 주소
  • Micron Technology, Inc. (Boise ID 02)
인용정보 피인용 횟수 : 111  인용 특허 : 0

초록

A method and apparatus for mechanical planarization and endpoint detection of a semiconductor wafer or the like. The apparatus includes a polishing head for rotating the wafer under a controlled pressure against a rotating polishing platen. The polishing head is mounted such that the wafer can be mo

대표청구항

A process for polishing a flat wafer comprising: a. holding a wafer in a rotatable polishing head mounted for movement across and over a peripheral edge of a polishing platen; b. rotating a surface of the wafer in a polishing slurry across the polishing platen; and c. overhanging a portion of th

이 특허를 인용한 특허 (111)

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