JP7071849B2 - パーティクルカウンタ - Google Patents

パーティクルカウンタ Download PDF

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Publication number
JP7071849B2
JP7071849B2 JP2018043571A JP2018043571A JP7071849B2 JP 7071849 B2 JP7071849 B2 JP 7071849B2 JP 2018043571 A JP2018043571 A JP 2018043571A JP 2018043571 A JP2018043571 A JP 2018043571A JP 7071849 B2 JP7071849 B2 JP 7071849B2
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JP
Japan
Prior art keywords
light
optical path
path length
particles
detection
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JP2018043571A
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English (en)
Japanese (ja)
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JP2019158478A (ja
JP2019158478A5 (enExample
Inventor
朋信 松田
正樹 進村
光秋 齊藤
雄生 山川
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Rion Co Ltd
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Rion Co Ltd
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Publication date
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Priority to JP2018043571A priority Critical patent/JP7071849B2/ja
Priority to US16/290,788 priority patent/US10705010B2/en
Priority to KR1020190024719A priority patent/KR102166583B1/ko
Priority to CN201910173746.5A priority patent/CN110243729B/zh
Priority to TW108107844A priority patent/TWI685650B/zh
Publication of JP2019158478A publication Critical patent/JP2019158478A/ja
Publication of JP2019158478A5 publication Critical patent/JP2019158478A5/ja
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    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1434—Optical arrangements
    • 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
    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1456—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals
    • G01N15/1459—Optical investigation techniques, e.g. flow cytometry without spatial resolution of the texture or inner structure of the particle, e.g. processing of pulse signals the analysis being performed on a sample stream
    • 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
    • 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
    • G01N15/075—Investigating concentration of particle suspensions by optical means
    • 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
    • G01N2015/0042—Investigating dispersion of solids
    • G01N2015/0053—Investigating dispersion of solids in liquids, e.g. trouble
    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N15/1434—Optical arrangements
    • G01N2015/1454—Optical arrangements using phase shift or interference, e.g. for improving contrast
    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1486—Counting the particles
    • 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
    • G01N15/10—Investigating individual particles
    • G01N15/14—Optical investigation techniques, e.g. flow cytometry
    • G01N2015/1493—Particle size

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  • Chemical & Material Sciences (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)
  • Dispersion Chemistry (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
JP2018043571A 2018-03-09 2018-03-09 パーティクルカウンタ Active JP7071849B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2018043571A JP7071849B2 (ja) 2018-03-09 2018-03-09 パーティクルカウンタ
US16/290,788 US10705010B2 (en) 2018-03-09 2019-03-01 Particle counter
KR1020190024719A KR102166583B1 (ko) 2018-03-09 2019-03-04 파티클 카운터
CN201910173746.5A CN110243729B (zh) 2018-03-09 2019-03-07 粒子计数器
TW108107844A TWI685650B (zh) 2018-03-09 2019-03-08 粒子計數器

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2018043571A JP7071849B2 (ja) 2018-03-09 2018-03-09 パーティクルカウンタ

Publications (3)

Publication Number Publication Date
JP2019158478A JP2019158478A (ja) 2019-09-19
JP2019158478A5 JP2019158478A5 (enExample) 2021-04-30
JP7071849B2 true JP7071849B2 (ja) 2022-05-19

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
JP2018043571A Active JP7071849B2 (ja) 2018-03-09 2018-03-09 パーティクルカウンタ

Country Status (5)

Country Link
US (1) US10705010B2 (enExample)
JP (1) JP7071849B2 (enExample)
KR (1) KR102166583B1 (enExample)
CN (1) CN110243729B (enExample)
TW (1) TWI685650B (enExample)

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US10928297B2 (en) 2019-01-09 2021-02-23 University Of Washington Method for determining detection angle of optical particle sizer
WO2020219841A1 (en) 2019-04-25 2020-10-29 Particle Measuring Systems, Inc. Particle detection systems and methods for on-axis particle detection and/or differential detection
CN114729868A (zh) * 2019-11-22 2022-07-08 粒子监测系统有限公司 先进的用于干涉测量颗粒检测和具有小大小尺寸的颗粒的检测的系统和方法
JP7420551B2 (ja) * 2019-12-27 2024-01-23 リオン株式会社 粒子測定装置
EP4162253A4 (en) 2020-06-09 2024-07-03 Particle Measuring Systems, Inc. PARTICLE DETECTION VIA SCATTERED LIGHT IN COMBINATION WITH INCIDENT LIGHT
TW202346835A (zh) * 2022-01-21 2023-12-01 美商粒子監測系統有限公司 增強的雙遍次及多遍次粒子偵測
TW202507254A (zh) * 2023-06-06 2025-02-16 美商恩特葛瑞斯股份有限公司 光學顆粒計數器及方法
TW202507253A (zh) * 2023-06-06 2025-02-16 美商恩特葛瑞斯股份有限公司 光學顆粒計數器及方法
US12461010B2 (en) 2023-11-16 2025-11-04 Particle Measuring Systems, Inc. Systems and methods for reducing false positive particle detection events in a particle detector

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JP2005121600A (ja) 2003-10-20 2005-05-12 Otsuka Denshi Co Ltd 位相変調型干渉法を用いた動的光散乱測定装置
JP2007333409A (ja) 2006-06-12 2007-12-27 Horiba Ltd 浮遊粒子測定装置
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WO2017109928A1 (ja) 2015-12-25 2017-06-29 ギガフォトン株式会社 レーザ照射装置

Also Published As

Publication number Publication date
US10705010B2 (en) 2020-07-07
JP2019158478A (ja) 2019-09-19
US20190277745A1 (en) 2019-09-12
TWI685650B (zh) 2020-02-21
CN110243729A (zh) 2019-09-17
KR20190106724A (ko) 2019-09-18
TW201939011A (zh) 2019-10-01
KR102166583B1 (ko) 2020-10-16
CN110243729B (zh) 2022-07-15

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