CA977990A - Levitator - Google Patents

Levitator

Info

Publication number
CA977990A
CA977990A CA154,374A CA154374A CA977990A CA 977990 A CA977990 A CA 977990A CA 154374 A CA154374 A CA 154374A CA 977990 A CA977990 A CA 977990A
Authority
CA
Canada
Prior art keywords
levitator
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA154,374A
Other versions
CA154374S (en
Inventor
Chelcie B. Liu
Herman H. Brooks
David T. Phillips
Philip J. Wyatt
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Science Spectrum
Original Assignee
Science Spectrum
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Science Spectrum filed Critical Science Spectrum
Application granted granted Critical
Publication of CA977990A publication Critical patent/CA977990A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume or surface-area of porous materials
    • G01N15/02—Investigating particle size or size distribution
    • G01N15/0205—Investigating particle size or size distribution by optical means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/47—Scattering, i.e. diffuse reflection
    • G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
    • G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke

Landscapes

  • Chemical & Material Sciences (AREA)
  • Biochemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Dispersion Chemistry (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
CA154,374A 1971-10-21 1972-10-20 Levitator Expired CA977990A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19137371A 1971-10-21 1971-10-21

Publications (1)

Publication Number Publication Date
CA977990A true CA977990A (en) 1975-11-18

Family

ID=22705225

Family Applications (1)

Application Number Title Priority Date Filing Date
CA154,374A Expired CA977990A (en) 1971-10-21 1972-10-20 Levitator

Country Status (5)

Country Link
US (1) US3754830A (en)
JP (1) JPS5514376B2 (en)
CA (1) CA977990A (en)
DE (1) DE2244696C2 (en)
GB (1) GB1410999A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4490042A (en) * 1981-06-04 1984-12-25 Wyatt Philip J Method for determining the properties of wine
GB2141224B (en) * 1983-04-29 1986-09-10 English Clays Lovering Pochin Monitoring deflocculated particles in suspension
JPH0325171Y2 (en) * 1984-12-08 1991-05-31
US4949950A (en) * 1989-02-14 1990-08-21 Xerox Corporation Electrostatic sheet transport
DE3914711C1 (en) * 1989-05-04 1990-10-31 Deutsche Forschungsanstalt Fuer Luft- Und Raumfahrt Ev, 5300 Bonn, De
DE3933681A1 (en) * 1989-10-09 1991-04-18 Battelle Institut E V DEVICE FOR MEASURING THE AMOUNT OF ASBEST DUST IN AIR
US5701176A (en) * 1995-07-28 1997-12-23 Precision Detectors, Inc. High temperature light scattering measurement device comprising a rigid extension tube
JP4516176B2 (en) * 1999-04-20 2010-08-04 関東化学株式会社 Substrate cleaning solution for electronic materials
CN1944048A (en) * 2005-09-21 2007-04-11 海德堡印刷机械股份公司 Method for conveying a sheet and apparatus for carrying out the method
JP2015141074A (en) * 2014-01-28 2015-08-03 九州エレクトロン株式会社 Particulate detector
KR102652507B1 (en) * 2015-02-09 2024-03-28 세키스이가가쿠 고교가부시키가이샤 Method for manufacturing semiconductor chip
JP6956074B2 (en) * 2016-04-28 2021-10-27 リンテック株式会社 Protective film forming film and protective film forming composite sheet
TW201918700A (en) * 2017-05-05 2019-05-16 美商3M新設資產公司 Scatterometry system and method of using the same

Also Published As

Publication number Publication date
GB1410999A (en) 1975-10-22
DE2244696C2 (en) 1982-06-24
JPS5514376B2 (en) 1980-04-16
DE2244696A1 (en) 1973-04-26
US3754830A (en) 1973-08-28
JPS4851691A (en) 1973-07-20

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