TW242688B - - Google Patents

Info

Publication number
TW242688B
TW242688B TW082101720A TW82101720A TW242688B TW 242688 B TW242688 B TW 242688B TW 082101720 A TW082101720 A TW 082101720A TW 82101720 A TW82101720 A TW 82101720A TW 242688 B TW242688 B TW 242688B
Authority
TW
Taiwan
Application number
TW082101720A
Original Assignee
Boc Group Inc
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 Boc Group Inc filed Critical Boc Group Inc
Application granted granted Critical
Publication of TW242688B publication Critical patent/TW242688B/zh

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
    • G01N15/06—Investigating concentration of particle suspensions
    • 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
    • G01N15/06—Investigating concentration of particle suspensions
    • G01N15/065—Investigating concentration of particle suspensions using condensation nuclei counters
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/85—Investigating moving fluids or granular solids
    • 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
    • G01N21/84—Systems specially adapted for particular applications
    • G01N21/88—Investigating the presence of flaws or contamination
    • G01N21/94—Investigating contamination, e.g. dust

Landscapes

  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • General Physics & Mathematics (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Sampling And Sample Adjustment (AREA)
TW082101720A 1992-04-27 1993-03-09 TW242688B (zh)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/874,465 US5255555A (en) 1992-04-27 1992-04-27 Method for determining particle response characteristics

Publications (1)

Publication Number Publication Date
TW242688B true TW242688B (zh) 1995-03-11

Family

ID=25363845

Family Applications (1)

Application Number Title Priority Date Filing Date
TW082101720A TW242688B (zh) 1992-04-27 1993-03-09

Country Status (5)

Country Link
US (1) US5255555A (zh)
EP (1) EP0568193B1 (zh)
AU (1) AU644756B2 (zh)
DE (1) DE69316074T2 (zh)
TW (1) TW242688B (zh)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR0176152B1 (ko) * 1995-05-29 1999-04-15 김광호 반도체 장치의 제조과정에서 발생하는 오염입자의 측정장치, 측정방법 및 그 분석 방법
US6241487B1 (en) 1998-11-10 2001-06-05 Warren Rupp, Inc. Fluid powered diaphragm pump
US6205842B1 (en) * 1999-02-02 2001-03-27 Rupprecht & Patashnick Company, Inc. Differential particulate mass monitor with intrinsic correction for volatilization losses
US6502450B1 (en) 1999-05-10 2003-01-07 Rupprecht & Patashnik Company, Inc. Single detector differential particulate mass monitor with intrinsic correction for volatilization losses
US7325441B2 (en) * 2004-09-09 2008-02-05 Msp Corporation Personal mask test system
JP6918806B2 (ja) * 2016-01-08 2021-08-11 ティーエスアイ インコーポレイテッド ウェアラブル・マスク・フィット・モニタ

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2931647C2 (de) * 1979-08-03 1981-07-30 B.A.T. Cigaretten-Fabriken Gmbh, 2000 Hamburg Einrichtung zur Bestimmung der Beinflussung gasförmiger Bestandteile eines Gasstroms durch Verdünnung und/oder Diffusion
GB2082764B (en) * 1980-08-21 1984-06-20 Standard Telephones Cables Ltd Measuring particles in fluids
US4993838A (en) * 1988-06-17 1991-02-19 Construction Technology Laboratories, Inc. Dust monitor
US4928537A (en) * 1988-12-06 1990-05-29 Regents Of The University Of Minnesota System for airborne particle measurement in a vacuum
US5062713A (en) * 1989-09-06 1991-11-05 The Dow Company Method for determining the residence time distribution of a polymer extruder

Also Published As

Publication number Publication date
EP0568193B1 (en) 1998-01-07
EP0568193A2 (en) 1993-11-03
DE69316074D1 (de) 1998-02-12
EP0568193A3 (en) 1994-06-01
US5255555A (en) 1993-10-26
AU3699393A (en) 1993-11-11
AU644756B2 (en) 1993-12-16
DE69316074T2 (de) 1998-05-07

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