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Apparatus for interlayer planarization of semiconductor material 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B24B-007/22
  • B24B-001/00
출원번호 US-0829736 (1992-01-31)
발명자 / 주소
  • Hyde Thomas C. (Chandler AZ) Roberts John V. H. (Newark DE)
출원인 / 주소
  • Rodel, Inc. (Newark DE 12a part interest) Westech Systems, Inc. (Phoenix AZ 02)
인용정보 피인용 횟수 : 188  인용 특허 : 0

초록

A pad for planarizing the surface of a semiconductor wafer. The pad includes at least two layers. One layer has a hydrostatic modulus which is different from the hydrostatic modulus of the other pad.

대표청구항

Apparatus for planarizing a piece of material including a macroscopically flat subsurface, at least a pair of features each connected to said subsurface, each having an outer surface spaced away from said subsurface, each extending a substantially equal distance away from said subsurface, being spac

이 특허를 인용한 특허 (188)

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