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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-0563054 (1990-08-06)
발명자 / 주소
  • Schultz Laurence D. (Boise ID)
출원인 / 주소
  • Micron Technology, Inc. (Boise ID 02)
인용정보 피인용 횟수 : 292  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 thin flat generally circular shaped semiconductor wafer having an oxide coating and for detecting the thickness of the oxide coating, comprising: a. holding the semiconductor wafer in a rotatable polishing head; b. rotating the semiconductor wafer over a rotating polishing

이 특허를 인용한 특허 (292)

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