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Acoustic sensor as proximity detector 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01B-005/28
  • G01B-017/00
출원번호 US-0775617 (1997-01-02)
발명자 / 주소
  • Samsavar Amin
  • McWaid Thomas
  • Yudin Sergey
출원인 / 주소
  • Kla-Tencor Corporation
대리인 / 주소
    Majestic, Parsons, Siebert & Hsue
인용정보 피인용 횟수 : 142  인용 특허 : 4

초록

An acoustic sensor used with a first sensor (such as a profilometer, scanning probe microscope or the like) allows for the positioning of the first sensor with respect to the sample. The acoustic sensor has a greater range than a profilometer or a scanning probe microscope, and a relatively quick re

대표청구항

[ What is claimed is:] [1.] An instrument for sensing a sample, comprising:a first sensor, the first sensor being a profiling device for sensing the sample;a separate acoustic sensor having a known positional relation to the first sensor, the acoustic sensor adapted to produce an acoustic sensor sig

이 특허에 인용된 특허 (4)

  1. Kren George J. (Los Altos CA) Koenig Franklin R. (Palo Alto CA), Acoustic method and apparatus for measuring micron and submicron distances.
  2. Lo Jiann-Chang (Boca Raton FL) O\Leary Timothy J. (Boca Raton FL), Automatic surface profiling for submicron device.
  3. Park Sang-il (Palo Alto CA) Smith Ian R. (Los Gatos CA) Kirk Michael D. (San Jose CA), Large stage system for scanning probe microscopes and other instruments.
  4. Quate, Calvin F.; Khuri-Yakub, Butrus T.; Akamine, Shinya; Hadimioglu, Babur B., Near field acoustic ultrasonic microscope system and method.

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