DE60017954T2 - Stauscheibe für einen kapazitiven Drucksensor - Google Patents
Stauscheibe für einen kapazitiven Drucksensor Download PDFInfo
- Publication number
- DE60017954T2 DE60017954T2 DE60017954T DE60017954T DE60017954T2 DE 60017954 T2 DE60017954 T2 DE 60017954T2 DE 60017954 T DE60017954 T DE 60017954T DE 60017954 T DE60017954 T DE 60017954T DE 60017954 T2 DE60017954 T2 DE 60017954T2
- Authority
- DE
- Germany
- Prior art keywords
- membrane
- partition
- pressure sensor
- housing
- openings
- 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 - Lifetime
Links
- 239000012528 membrane Substances 0.000 claims description 34
- 238000005192 partition Methods 0.000 claims description 30
- 239000002245 particle Substances 0.000 claims description 12
- 239000012530 fluid Substances 0.000 claims description 11
- 239000000356 contaminant Substances 0.000 description 2
- 238000000151 deposition Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000035484 reaction time Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 229910001026 inconel Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0636—Protection against aggressive medium in general using particle filters
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US394804 | 1999-09-10 | ||
| US09/394,804 US6443015B1 (en) | 1999-09-10 | 1999-09-10 | Baffle for a capacitive pressure sensor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE60017954D1 DE60017954D1 (de) | 2005-03-10 |
| DE60017954T2 true DE60017954T2 (de) | 2006-01-12 |
Family
ID=23560493
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60017954T Expired - Lifetime DE60017954T2 (de) | 1999-09-10 | 2000-09-08 | Stauscheibe für einen kapazitiven Drucksensor |
| DE60007884T Expired - Lifetime DE60007884T2 (de) | 1999-09-10 | 2000-09-08 | Stauscheibe für einen kapazitiven drucksensor |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE60007884T Expired - Lifetime DE60007884T2 (de) | 1999-09-10 | 2000-09-08 | Stauscheibe für einen kapazitiven drucksensor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6443015B1 (enExample) |
| EP (2) | EP1340971B1 (enExample) |
| JP (2) | JP2003508780A (enExample) |
| KR (1) | KR20020033173A (enExample) |
| DE (2) | DE60017954T2 (enExample) |
| TW (1) | TW463039B (enExample) |
| WO (1) | WO2001018516A1 (enExample) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040099061A1 (en) | 1997-12-22 | 2004-05-27 | Mks Instruments | Pressure sensor for detecting small pressure differences and low pressures |
| US6901808B1 (en) * | 2002-02-12 | 2005-06-07 | Lam Research Corporation | Capacitive manometer having reduced process drift |
| US7252011B2 (en) * | 2002-03-11 | 2007-08-07 | Mks Instruments, Inc. | Surface area deposition trap |
| US6993973B2 (en) * | 2003-05-16 | 2006-02-07 | Mks Instruments, Inc. | Contaminant deposition control baffle for a capacitive pressure transducer |
| JP4177294B2 (ja) * | 2004-06-07 | 2008-11-05 | 三菱電機株式会社 | 圧力センサ装置 |
| US7201057B2 (en) | 2004-09-30 | 2007-04-10 | Mks Instruments, Inc. | High-temperature reduced size manometer |
| US7137301B2 (en) | 2004-10-07 | 2006-11-21 | Mks Instruments, Inc. | Method and apparatus for forming a reference pressure within a chamber of a capacitance sensor |
| US7141447B2 (en) | 2004-10-07 | 2006-11-28 | Mks Instruments, Inc. | Method of forming a seal between a housing and a diaphragm of a capacitance sensor |
| US7204150B2 (en) | 2005-01-14 | 2007-04-17 | Mks Instruments, Inc. | Turbo sump for use with capacitive pressure sensor |
| DE102008025045A1 (de) * | 2007-06-02 | 2008-12-04 | Marquardt Gmbh | Sensor |
| CN105758579B (zh) | 2011-10-11 | 2019-06-11 | Mks 仪器公司 | 压力传感器 |
| JP6002016B2 (ja) * | 2012-11-30 | 2016-10-05 | アズビル株式会社 | 静電容量型圧力センサ |
| JP2014126504A (ja) | 2012-12-27 | 2014-07-07 | Azbil Corp | 静電容量型圧力センサ |
| US10107315B2 (en) * | 2013-04-30 | 2018-10-23 | Mks Instruments, Inc. | MEMS pressure sensors with integrated baffles |
| JP6231812B2 (ja) * | 2013-08-09 | 2017-11-15 | アズビル株式会社 | 静電容量型圧力センサ |
| US9430925B2 (en) * | 2014-09-05 | 2016-08-30 | Google Inc. | Detector unit and sensing chamber therefor with matter retention member and method for making same |
| EP3109612A1 (en) | 2015-06-26 | 2016-12-28 | Nina Wojtas | Mems deposition trap for vacuum transducer protection |
| JP6669553B2 (ja) * | 2016-03-29 | 2020-03-18 | ローム株式会社 | 電子部品 |
| JP6815221B2 (ja) * | 2017-02-17 | 2021-01-20 | アズビル株式会社 | 静電容量型圧力センサ |
| JP6985071B2 (ja) * | 2017-09-05 | 2021-12-22 | アズビル株式会社 | 異常検知方法および異常検知装置 |
| EP3737926B1 (de) * | 2018-01-09 | 2022-11-16 | Kistler Holding AG | Schutzvorrichtung |
| JP7085898B2 (ja) * | 2018-05-25 | 2022-06-17 | 東京エレクトロン株式会社 | ラジカル失活部品及びこれを用いたプラズマ処理装置 |
| JP2020030066A (ja) | 2018-08-21 | 2020-02-27 | アズビル株式会社 | 圧力センサ |
| JP2021025957A (ja) | 2019-08-08 | 2021-02-22 | アズビル株式会社 | 圧力センサ |
| JP7444628B2 (ja) | 2020-02-19 | 2024-03-06 | アズビル株式会社 | 圧力センサ |
| US11287342B2 (en) * | 2020-03-20 | 2022-03-29 | Mks Instruments, Inc. | Capacitance manometer with improved baffle for improved detection accuracy |
| CN114264403A (zh) * | 2021-12-03 | 2022-04-01 | 北京晨晶精仪电子有限公司 | 真空规颗粒阻挡结构 |
| CN117928814A (zh) * | 2024-01-24 | 2024-04-26 | 阿尔法仪器技术(深圳)有限公司 | 一种新型的微差压传感器芯体 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3675072A (en) * | 1971-01-28 | 1972-07-04 | Atomic Energy Commission | Fast-closing valve system for cyclotrons |
| US4020674A (en) * | 1976-05-19 | 1977-05-03 | Harry Robert Fechter | Pipeline leak detector with baffles |
| JPS58101155U (ja) * | 1981-12-29 | 1983-07-09 | 株式会社大阪真空機器製作所 | 真空計用ダストトラツプ |
| JPH0812123B2 (ja) * | 1987-11-27 | 1996-02-07 | 日本碍子株式会社 | 圧力センサ |
| JPH0311583A (ja) * | 1989-06-08 | 1991-01-18 | Showa Kogyo Kk | 面状発熱体およびその製造法 |
| US5271277A (en) * | 1991-12-23 | 1993-12-21 | The Boc Group, Inc. | Capacitance pressure transducer |
| JP3011583U (ja) * | 1994-11-25 | 1995-05-30 | エヌテーシー工業株式会社 | 半導体圧力センサを用いた水位検出器 |
| US5808206A (en) * | 1996-01-16 | 1998-09-15 | Mks Instruments, Inc. | Heated pressure transducer assembly |
| US5811685A (en) * | 1996-12-11 | 1998-09-22 | Mks Instruments, Inc. | Fluid pressure sensor with contaminant exclusion system |
| JPH11201847A (ja) * | 1998-01-19 | 1999-07-30 | Fuji Electric Co Ltd | 静電容量式圧力センサ |
| US5948169A (en) | 1998-03-11 | 1999-09-07 | Vanguard International Semiconductor Corporation | Apparatus for preventing particle deposition in a capacitance diaphragm gauge |
-
1999
- 1999-09-10 US US09/394,804 patent/US6443015B1/en not_active Expired - Lifetime
-
2000
- 2000-09-08 WO PCT/US2000/024862 patent/WO2001018516A1/en not_active Ceased
- 2000-09-08 KR KR1020027003157A patent/KR20020033173A/ko not_active Ceased
- 2000-09-08 TW TW089118384A patent/TW463039B/zh not_active IP Right Cessation
- 2000-09-08 EP EP03012375A patent/EP1340971B1/en not_active Expired - Lifetime
- 2000-09-08 DE DE60017954T patent/DE60017954T2/de not_active Expired - Lifetime
- 2000-09-08 EP EP00961773A patent/EP1214573B1/en not_active Expired - Lifetime
- 2000-09-08 DE DE60007884T patent/DE60007884T2/de not_active Expired - Lifetime
- 2000-09-08 JP JP2001522057A patent/JP2003508780A/ja active Pending
-
2011
- 2011-02-28 JP JP2011041671A patent/JP5453335B2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| EP1340971B1 (en) | 2005-02-02 |
| EP1214573A1 (en) | 2002-06-19 |
| US6443015B1 (en) | 2002-09-03 |
| EP1214573B1 (en) | 2004-01-21 |
| JP2011149946A (ja) | 2011-08-04 |
| KR20020033173A (ko) | 2002-05-04 |
| DE60007884T2 (de) | 2004-12-16 |
| WO2001018516A1 (en) | 2001-03-15 |
| DE60007884D1 (de) | 2004-02-26 |
| DE60017954D1 (de) | 2005-03-10 |
| JP2003508780A (ja) | 2003-03-04 |
| EP1340971A2 (en) | 2003-09-03 |
| TW463039B (en) | 2001-11-11 |
| JP5453335B2 (ja) | 2014-03-26 |
| EP1340971A3 (en) | 2003-10-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition |