KR970007320A - 반도체 차압(差壓) 측정장치 - Google Patents
반도체 차압(差壓) 측정장치 Download PDFInfo
- Publication number
- KR970007320A KR970007320A KR1019960014549A KR19960014549A KR970007320A KR 970007320 A KR970007320 A KR 970007320A KR 1019960014549 A KR1019960014549 A KR 1019960014549A KR 19960014549 A KR19960014549 A KR 19960014549A KR 970007320 A KR970007320 A KR 970007320A
- Authority
- KR
- South Korea
- Prior art keywords
- differential pressure
- measuring
- measurement
- sensors
- semiconductor
- 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.)
- Granted
Links
- 239000004065 semiconductor Substances 0.000 title claims abstract 16
- 238000005259 measurement Methods 0.000 claims abstract 19
- 239000000758 substrate Substances 0.000 claims abstract 12
- 238000006073 displacement reaction Methods 0.000 claims abstract 4
- 238000000034 method Methods 0.000 claims abstract 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
- G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
- G01L13/06—Devices or apparatus for measuring differences of two or more fluid pressure values using electric or magnetic pressure-sensitive elements
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L15/00—Devices or apparatus for measuring two or more fluid pressure values simultaneously
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
- G01L9/0054—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements integral with a semiconducting diaphragm
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
- G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
- G01L9/04—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges
- G01L9/045—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of resistance-strain gauges with electric temperature compensating means
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Pressure Sensors (AREA)
Abstract
Description
Claims (7)
- 측정 다이어프램의 대향하는 측에 측정셀이 마련된 반도체 차압측정장치로서; (1) 반도체기판의 한쪽면 근방에 마련된 제1측정셀 및 상기 제1측정셀의 동일 기판 표면상에 형성된 제1측정 다이어프램과; (2) 상기 제1측정셀에 대하여 상기 제1측정 다이어프램의 반대면 상의 상기 기판의 표면상에 마련된 제1오목부와; (3) 상기 반도체 기판의 표면 근방에 마련된 제2측정셀 및 상기 제2측정셀의 동일 기판 표면상에 형성된 제2측정 다이어프램과; (4) 상기 제2측정셀에 대하여 상기 제2측정 다이어프램의 반대면상의 상기 기판의 표면상에 마련된 제2오목부와; (5) 그의 표면이 상기 반도체 기판의 상기 표면과 접촉하며, 상기 제1오목부를 사용한 제3측정셀 및 상기 제2오목부를 사용한 제4측정셀을 형성하는 지지기판과; (6) 상기 반도체 기판내에 마련되며, 그의 한쪽 끝단에는 하나의 측정 압력이 도입되고 그의 다른쪽 끝단은 상기 제3 및 제2측정셀이 연이어 통하는 제1연통구멍과; (7) 상기 반도체 기판에 마련되며, 그의 한쪽 끝단에는 다른 측정압력이 도입되고, 그의 다른쪽 끝단은 상기 제4 및 제1측정셀과 연이어 통하는 제2연통구멍과; (8) 피측정 차압에 의하여 제1측정 다이어프램내에서 발생된 스트레인 또는 변위를 검지하는 제1센서와; (9) 상기 피측정 차압에 의하여 제2측정 다이어프램내에서 발생된 스트레인 또는 변위를 검지하는 제2센서; 및 (10) 피측정 차압에 대응하는 출력으로서 상기 제1센서와 상기 제2센서의 출력 사이의 차를 계산하는 계산회로를 포함하여 구성되는 것을 특징으로 하는 반도체 차압 측정장치.
- 제1항에 있어서, 스트레인 게이지가 상기 제1 및 제2센서로서 사용되는 것을 특징으로 하는 반도체 차압 측정장치.
- 제1항에 있어서, 진동 스트레인 센서가 상기 제1 및 제2센서로서 사용되는 것을 특징으로 하는 반도체 차압 측정장치.
- 제1항에 있어서, 용량 센서가 상기 제1 및 제2센서로서 사용되는 것을 특징으로 하는 반도체 차압 측정장치.
- 제1항에 있어서, 계산회로는, 적어도 한개의 상기 제1센서 및 상기 제2센서로 포함하도록 구성되는 브리지 회로를 포함하여 구성되며, 상기 브리지회로의 인접한 가지에 제1 및 제2센서를 배치함으로써 상기 피측정 차압에 대응하는 출력전기신호를 얻도록 배치되는 것을 특징으로 하는 반도체 차압 측정장치.
- 제5항에 있어서, 제3 및 제4센서가 상기 반도체 기판상의 상기 제1 및 제2측정 다이어프램 근처에서 상호간에 대칭으로 마련되며; 상기 제1 및 제2센서를 각각 상기 브리지 회로의 2개의 가지에 각각 배치하고, 상기 2개의 가지의 단자를 상기 브리지의 전원공급단자에 접속하고, 상기 제3 및 제4센서를 상기 브리지 회로의 다른 2개의 가지에 각각 배치하고, 상기 2개의 다른 가지를 상기 브리지회로의 다른 전원공급단자에 접속하므로써, 상기 피측정 차압에 대응하는 출력 전기신호를 얻도록 배치되는 차압검지수단을 포함하여 구성되는 것을 특징으로 하는 반도체 차압 측정장치.
- 제5항에 있어서, 상기 제1 및 제2센서를 각각 상기 브리지 회로의 2개의 가지에 각각 배치하고, 상기 2개의 가지의 단자를 상기 브리지의 전원공급단자에 접속하고, 2개의 저항소자를 상기 브리지 회로의 다른 2개의 가지에 각각 배치하고, 상기 2개의 다른 가지를 상기 브리지회로의 다른 전원공급단자에 접속하므로써, 상기 피측정 차압에 대응하는 출력 전기신호를 얻도록 배치되는 차압검지수단을 포함하여 구성되는 것을 특징으로 하는 반도체 차압 측정장치.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP07178745A JP3080212B2 (ja) | 1995-07-14 | 1995-07-14 | 半導体差圧測定装置 |
JP95-178745 | 1995-07-14 | ||
JP8026749A JPH09218121A (ja) | 1996-02-14 | 1996-02-14 | 半導体差圧測定装置 |
JP96-26749 | 1996-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR970007320A true KR970007320A (ko) | 1997-02-21 |
KR100186938B1 KR100186938B1 (ko) | 1999-05-15 |
Family
ID=26364570
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960014549A Expired - Fee Related KR100186938B1 (ko) | 1995-07-14 | 1996-05-04 | 반도체 차압 측정장치 |
Country Status (9)
Country | Link |
---|---|
US (1) | US5959213A (ko) |
EP (1) | EP0753728A3 (ko) |
KR (1) | KR100186938B1 (ko) |
CN (1) | CN1089895C (ko) |
AU (1) | AU683195B2 (ko) |
BR (1) | BR9602506A (ko) |
CA (1) | CA2173786C (ko) |
DE (1) | DE753728T1 (ko) |
TW (1) | TW299479B (ko) |
Families Citing this family (23)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19709846C1 (de) * | 1997-02-28 | 1998-04-02 | Siemens Ag | Druckdifferenz-Meßumformer |
DE19743288A1 (de) | 1997-09-30 | 1999-04-22 | Siemens Ag | Mikromechanischer Sensor |
US6121269A (en) * | 1999-02-22 | 2000-09-19 | Henry; James P. | Reduction of hair growth |
EP1236974A1 (fr) * | 2001-03-01 | 2002-09-04 | Seyonic SA | Dispositif pour mesurer une pression en deux points d'un écoulement fluidique |
JP2007516746A (ja) * | 2003-12-11 | 2007-06-28 | プロテウス バイオメディカル インコーポレイテッド | 移植可能な圧力センサ |
US7188528B2 (en) * | 2004-04-23 | 2007-03-13 | Kulite Semiconductor Products, Inc. | Low pass filter semiconductor structures for use in transducers for measuring low dynamic pressures in the presence of high static pressures |
US7121145B2 (en) | 2004-10-18 | 2006-10-17 | Silverbrook Research Pty Ltd | Capacitative pressure sensor |
US7017418B1 (en) * | 2004-12-15 | 2006-03-28 | General Electric Company | System and method for sensing pressure |
JP4940786B2 (ja) | 2006-06-29 | 2012-05-30 | 株式会社デンソー | 圧力センサ |
US20080011297A1 (en) * | 2006-06-30 | 2008-01-17 | Scott Thomas Mazar | Monitoring physiologic conditions via transtracheal measurement of respiratory parameters |
JP5658477B2 (ja) | 2010-04-13 | 2015-01-28 | アズビル株式会社 | 圧力センサ |
FR2974628B1 (fr) * | 2011-04-28 | 2013-12-27 | Commissariat Energie Atomique | Microdebitmetre et son procede de realisation |
JP2013044675A (ja) * | 2011-08-25 | 2013-03-04 | Yokogawa Electric Corp | 振動式差圧センサとその製造方法 |
DE102013106601A1 (de) * | 2013-06-25 | 2015-01-08 | Endress + Hauser Gmbh + Co. Kg | Druckmessgerät, insbesondere Differenzdruckmessgerät |
CN103983401A (zh) * | 2014-05-31 | 2014-08-13 | 福州大学 | 一种用于差压传感器的等精度测量方法 |
CN105783993B (zh) * | 2016-03-21 | 2018-01-30 | 安徽工程大学 | 集成温度相对湿度传感器 |
US10203255B2 (en) * | 2016-08-25 | 2019-02-12 | Measurement Specialties, Inc. | Differential pressure sensor incorporating common mode error compensation |
CN108195503A (zh) * | 2018-02-09 | 2018-06-22 | 扬州江天流量仪表有限公司 | 圆膜片电阻应变式压力、压差传感器 |
JP7240869B2 (ja) | 2018-12-14 | 2023-03-16 | 株式会社アドバンテスト | センサ試験システム |
JP7401248B2 (ja) | 2019-10-09 | 2023-12-19 | アズビル株式会社 | 圧力センサ |
JP7401249B2 (ja) * | 2019-10-09 | 2023-12-19 | アズビル株式会社 | センサ素子 |
JP7328112B2 (ja) * | 2019-10-09 | 2023-08-16 | アズビル株式会社 | センサ素子 |
US11609141B2 (en) * | 2021-06-01 | 2023-03-21 | Schneider Electric Systems Usa, Inc. | Condition detection of pressure transmitter diaphragm |
Family Cites Families (20)
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US2979955A (en) * | 1957-04-12 | 1961-04-18 | Schlumberger Well Surv Corp | Pressure responsive systems |
DE1922077A1 (de) * | 1969-04-30 | 1970-11-12 | Bodenseewerk Geraetetech | Barometrischer Hoehensignalgeber fuer Flugregler |
JPS54115178A (en) * | 1978-02-28 | 1979-09-07 | Toshiba Corp | Differential pressure detector |
US4311053A (en) * | 1979-05-14 | 1982-01-19 | Rosemount, Inc. | Vibrating beam pressure sensor |
US4222277A (en) * | 1979-08-13 | 1980-09-16 | Kulite Semiconductor Products, Inc. | Media compatible pressure transducer |
US4390925A (en) * | 1981-08-26 | 1983-06-28 | Leeds & Northrup Company | Multiple-cavity variable capacitance pressure transducer |
US4455874A (en) * | 1981-12-28 | 1984-06-26 | Paroscientific, Inc. | Digital pressure transducer |
US4445383A (en) * | 1982-06-18 | 1984-05-01 | General Signal Corporation | Multiple range capacitive pressure transducer |
IT1164315B (it) * | 1983-07-08 | 1987-04-08 | Kent Tieghi Spa | Trasmettitore di pressioni differenziali di fluidi di processo industriali, con compensazione degli effetti delle variazioni di pressione statica |
JPS60133335A (ja) * | 1983-12-22 | 1985-07-16 | Yokogawa Hokushin Electric Corp | 圧力センサ |
US4625560A (en) * | 1985-05-13 | 1986-12-02 | The Scott & Fetzer Company | Capacitive digital integrated circuit pressure transducer |
JP2560338B2 (ja) * | 1987-08-18 | 1996-12-04 | ミノルタ株式会社 | ヒ−タの異常点灯制御装置 |
US4852408A (en) * | 1987-09-03 | 1989-08-01 | Scott Fetzer Company | Stop for integrated circuit diaphragm |
KR920005348Y1 (ko) * | 1988-03-01 | 1992-08-03 | 미쓰비시전기주식회사 | 압력센서 |
DE456029T1 (de) * | 1990-05-10 | 1992-06-11 | Yokogawa Electric Corp., Musashino, Tokio/Tokyo | Druckaufnehmer mit schwingendem element. |
US5165289A (en) * | 1990-07-10 | 1992-11-24 | Johnson Service Company | Resonant mechanical sensor |
JPH04302479A (ja) * | 1991-03-29 | 1992-10-26 | Yokogawa Electric Corp | 半導体圧力センサ |
US5275055A (en) * | 1992-08-31 | 1994-01-04 | Honeywell Inc. | Resonant gauge with microbeam driven in constant electric field |
AU658524B1 (en) * | 1993-08-17 | 1995-04-13 | Yokogawa Electric Corporation | Semiconductor type differential pressure measurement apparatus and method for manufacturing the same |
US5444901A (en) * | 1993-10-25 | 1995-08-29 | United Technologies Corporation | Method of manufacturing silicon pressure sensor having dual elements simultaneously mounted |
-
1996
- 1996-04-04 EP EP96105497A patent/EP0753728A3/en not_active Withdrawn
- 1996-04-04 DE DE0753728T patent/DE753728T1/de active Pending
- 1996-04-10 CA CA002173786A patent/CA2173786C/en not_active Expired - Fee Related
- 1996-04-29 AU AU51918/96A patent/AU683195B2/en not_active Ceased
- 1996-05-04 KR KR1019960014549A patent/KR100186938B1/ko not_active Expired - Fee Related
- 1996-05-21 TW TW085105986A patent/TW299479B/zh not_active IP Right Cessation
- 1996-05-29 BR BR9602506A patent/BR9602506A/pt not_active Application Discontinuation
- 1996-05-29 CN CN96107577A patent/CN1089895C/zh not_active Expired - Fee Related
-
1997
- 1997-07-10 US US08/891,105 patent/US5959213A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1089895C (zh) | 2002-08-28 |
CN1140836A (zh) | 1997-01-22 |
AU5191896A (en) | 1997-01-23 |
AU683195B2 (en) | 1997-10-30 |
DE753728T1 (de) | 1997-06-26 |
EP0753728A2 (en) | 1997-01-15 |
BR9602506A (pt) | 1998-09-08 |
KR100186938B1 (ko) | 1999-05-15 |
CA2173786C (en) | 2000-09-05 |
US5959213A (en) | 1999-09-28 |
EP0753728A3 (en) | 1998-04-15 |
CA2173786A1 (en) | 1997-01-15 |
TW299479B (ko) | 1997-03-01 |
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PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19960504 |
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PA0201 | Request for examination |
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