JP2015514972A5 - - Google Patents

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Publication number
JP2015514972A5
JP2015514972A5 JP2014561000A JP2014561000A JP2015514972A5 JP 2015514972 A5 JP2015514972 A5 JP 2015514972A5 JP 2014561000 A JP2014561000 A JP 2014561000A JP 2014561000 A JP2014561000 A JP 2014561000A JP 2015514972 A5 JP2015514972 A5 JP 2015514972A5
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JP
Japan
Prior art keywords
valve leakage
flow
decay rate
rate measurement
sensor
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JP2014561000A
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English (en)
Japanese (ja)
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JP2015514972A (ja
JP6224630B2 (ja
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Priority claimed from PCT/US2013/028911 external-priority patent/WO2013134148A1/en
Publication of JP2015514972A publication Critical patent/JP2015514972A/ja
Publication of JP2015514972A5 publication Critical patent/JP2015514972A5/ja
Application granted granted Critical
Publication of JP6224630B2 publication Critical patent/JP6224630B2/ja
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JP2014561000A 2012-03-07 2013-03-04 質量流量制御器または質量流量計のゼロオフセットおよびゼロドリフトのリアルタイム測定および補正に減衰速度測定を用いるためのシステムおよび方法 Active JP6224630B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US201261607968P 2012-03-07 2012-03-07
US61/607,968 2012-03-07
PCT/US2013/028911 WO2013134148A1 (en) 2012-03-07 2013-03-04 System and method for using a rate of decay measurement for real time measurement and correction of zero offset and zero drift of a mass flow controller or mass flow meter

Publications (3)

Publication Number Publication Date
JP2015514972A JP2015514972A (ja) 2015-05-21
JP2015514972A5 true JP2015514972A5 (enExample) 2016-04-28
JP6224630B2 JP6224630B2 (ja) 2017-11-01

Family

ID=49117226

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2014561000A Active JP6224630B2 (ja) 2012-03-07 2013-03-04 質量流量制御器または質量流量計のゼロオフセットおよびゼロドリフトのリアルタイム測定および補正に減衰速度測定を用いるためのシステムおよび方法

Country Status (4)

Country Link
US (1) US9739655B2 (enExample)
JP (1) JP6224630B2 (enExample)
KR (1) KR101938928B1 (enExample)
WO (1) WO2013134148A1 (enExample)

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US9958302B2 (en) 2011-08-20 2018-05-01 Reno Technologies, Inc. Flow control system, method, and apparatus
US9188989B1 (en) 2011-08-20 2015-11-17 Daniel T. Mudd Flow node to deliver process gas using a remote pressure measurement device
US9910448B2 (en) * 2013-03-14 2018-03-06 Christopher Max Horwitz Pressure-based gas flow controller with dynamic self-calibration
CN106323425A (zh) * 2015-06-19 2017-01-11 沈阳兴大通仪器仪表有限公司 一种边测边调检定装置
US10126761B2 (en) 2015-12-29 2018-11-13 Hitachi Metals, Ltd. Gas insensitive mass flow control systems and methods
US11144075B2 (en) 2016-06-30 2021-10-12 Ichor Systems, Inc. Flow control system, method, and apparatus
US10679880B2 (en) 2016-09-27 2020-06-09 Ichor Systems, Inc. Method of achieving improved transient response in apparatus for controlling flow and system for accomplishing same
US10838437B2 (en) 2018-02-22 2020-11-17 Ichor Systems, Inc. Apparatus for splitting flow of process gas and method of operating same
US10303189B2 (en) 2016-06-30 2019-05-28 Reno Technologies, Inc. Flow control system, method, and apparatus
WO2018053544A1 (en) * 2016-09-19 2018-03-22 Bhushan Somani Variable restriction for flow measurement
US10663337B2 (en) 2016-12-30 2020-05-26 Ichor Systems, Inc. Apparatus for controlling flow and method of calibrating same
KR102628015B1 (ko) * 2017-12-01 2024-01-23 삼성전자주식회사 질량 유량 제어기, 반도체 소자의 제조장치 및 그의 관리방법
US10866135B2 (en) 2018-03-26 2020-12-15 Applied Materials, Inc. Methods, systems, and apparatus for mass flow verification based on rate of pressure decay
NL2021082B1 (en) * 2018-06-08 2019-12-11 Berkin Bv Pressure-insensitive thermal type flow meter
US11675374B2 (en) * 2018-10-26 2023-06-13 Illinois Tool Works Inc. Mass flow controller with advanced zero trending diagnostics
US12379238B2 (en) 2018-10-26 2025-08-05 Illinois Tool Works Inc. Mass flow controller with advanced back streaming diagnostics
US12259739B2 (en) 2019-04-30 2025-03-25 Illinois Tool Works Inc. Advanced pressure based mass flow controllers and diagnostics
KR102646603B1 (ko) * 2019-12-06 2024-03-12 가부시키가이샤 후지킨 유량 제어 장치의 이상 검지 방법 및 유량 감시 방법
CN112764436B (zh) * 2020-12-17 2023-09-05 北京七星华创流量计有限公司 质量流量控制器检测系统
WO2022186971A1 (en) 2021-03-03 2022-09-09 Ichor Systems, Inc. Fluid flow control system comprising a manifold assembly
US12393209B2 (en) * 2024-01-19 2025-08-19 Mks, Inc. Methods and apparatus for reporting inlet pressure in mass flow controllers

Family Cites Families (13)

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Publication number Priority date Publication date Assignee Title
GB2176313A (en) * 1985-06-07 1986-12-17 Fraser Sweatman Ind Inc Apparatus and method for controlling and monitoring mixing of two or more gases
US5062446A (en) * 1991-01-07 1991-11-05 Sematech, Inc. Intelligent mass flow controller
US5911238A (en) * 1996-10-04 1999-06-15 Emerson Electric Co. Thermal mass flowmeter and mass flow controller, flowmetering system and method
JP3932389B2 (ja) * 1998-01-19 2007-06-20 Ｓｍｃ株式会社 マスフローコントローラの自己診断方法
JP4332986B2 (ja) * 2000-04-24 2009-09-16 日立金属株式会社 質量流量制御装置
AU2002224569A1 (en) * 2000-07-08 2002-02-05 Fugasity Corporation Fluid mass flow control valve and method of operation
US7398550B2 (en) 2003-06-18 2008-07-08 Microsoft Corporation Enhanced shared secret provisioning protocol
US7364708B2 (en) 2003-11-19 2008-04-29 Intercat Equipment, Inc. Multi-catalyst injection system
US20050120805A1 (en) * 2003-12-04 2005-06-09 John Lane Method and apparatus for substrate temperature control
JP4788920B2 (ja) * 2006-03-20 2011-10-05 日立金属株式会社 質量流量制御装置、その検定方法及び半導体製造装置
US7881886B1 (en) 2006-11-17 2011-02-01 Lam Research Corporation Methods for performing transient flow prediction and verification using discharge coefficients
WO2009091935A1 (en) * 2008-01-18 2009-07-23 Pivotal Systems Corporation Method and apparatus for in situ testing of gas flow controllers
US8793082B2 (en) * 2009-07-24 2014-07-29 Mks Instruments, Inc. Upstream volume mass flow verification systems and methods

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