DE3689403D1 - Halbleiterdruckwandler mit versiegeltem hohlraum und verfahren dazu. - Google Patents
Halbleiterdruckwandler mit versiegeltem hohlraum und verfahren dazu.Info
- Publication number
- DE3689403D1 DE3689403D1 DE86903022T DE3689403T DE3689403D1 DE 3689403 D1 DE3689403 D1 DE 3689403D1 DE 86903022 T DE86903022 T DE 86903022T DE 3689403 T DE3689403 T DE 3689403T DE 3689403 D1 DE3689403 D1 DE 3689403D1
- Authority
- DE
- Germany
- Prior art keywords
- sealed cavity
- pressure converter
- semiconductor pressure
- semiconductor
- converter
- 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 - Fee Related
Links
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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Pressure Sensors (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US72790985A | 1985-04-26 | 1985-04-26 | |
PCT/US1986/000860 WO1986006548A1 (en) | 1985-04-26 | 1986-04-24 | Sealed cavity semiconductor pressure transducers and method |
Publications (2)
Publication Number | Publication Date |
---|---|
DE3689403D1 true DE3689403D1 (de) | 1994-01-27 |
DE3689403T2 DE3689403T2 (de) | 1994-04-07 |
Family
ID=24924596
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE86903022T Expired - Fee Related DE3689403T2 (de) | 1985-04-26 | 1986-04-24 | Halbleiterdruckwandler mit versiegeltem hohlraum und verfahren dazu. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0219543B1 (de) |
JP (1) | JP2659944B2 (de) |
CA (1) | CA1271930A (de) |
DE (1) | DE3689403T2 (de) |
WO (1) | WO1986006548A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IN169553B (de) * | 1987-12-11 | 1991-11-09 | Int Control Automation Finance | |
US5170237A (en) * | 1989-11-06 | 1992-12-08 | Matsushita Electronics Corporation | Semiconductor pressure sensor |
US5188983A (en) * | 1990-04-11 | 1993-02-23 | Wisconsin Alumni Research Foundation | Polysilicon resonating beam transducers and method of producing the same |
US5090254A (en) * | 1990-04-11 | 1992-02-25 | Wisconsin Alumni Research Foundation | Polysilicon resonating beam transducers |
DE4012071A1 (de) * | 1990-04-14 | 1991-10-17 | Bosch Gmbh Robert | Verfahren zur herstellung mikromechanischer strukturen |
US5209119A (en) * | 1990-12-12 | 1993-05-11 | Regents Of The University Of Minnesota | Microdevice for sensing a force |
US5536963A (en) * | 1994-05-11 | 1996-07-16 | Regents Of The University Of Minnesota | Microdevice with ferroelectric for sensing or applying a force |
US5914507A (en) * | 1994-05-11 | 1999-06-22 | Regents Of The University Of Minnesota | PZT microdevice |
US5883420A (en) * | 1995-12-20 | 1999-03-16 | Motorola, Inc. | Sensor device having a pathway and a sealed cavity |
DE69922727T2 (de) | 1998-03-31 | 2005-12-15 | Hitachi, Ltd. | Kapazitiver Druckwandler |
US6024126A (en) * | 1998-05-26 | 2000-02-15 | E. I. Du Pont De Nemours And Company | Uniform cross-section and ribbed thermoplastic compressor valve |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES353912A1 (es) * | 1967-05-16 | 1970-03-01 | Inst Francais Du Petrole | Captador de presiones. |
US3681134A (en) * | 1968-05-31 | 1972-08-01 | Westinghouse Electric Corp | Microelectronic conductor configurations and methods of making the same |
US3853650A (en) * | 1973-02-12 | 1974-12-10 | Honeywell Inc | Stress sensor diaphragms over recessed substrates |
US4208782A (en) * | 1977-12-12 | 1980-06-24 | Kulite Semiconductor Products, Inc. | Methods of fabricating transducers employing flat bondable surfaces with buried contact areas |
US4262399A (en) * | 1978-11-08 | 1981-04-21 | General Electric Co. | Ultrasonic transducer fabricated as an integral park of a monolithic integrated circuit |
US4332000A (en) * | 1980-10-03 | 1982-05-25 | International Business Machines Corporation | Capacitive pressure transducer |
US4356211A (en) * | 1980-12-19 | 1982-10-26 | International Business Machines Corporation | Forming air-dielectric isolation regions in a monocrystalline silicon substrate by differential oxidation of polysilicon |
DE3265339D1 (en) * | 1981-03-20 | 1985-09-19 | Toshiba Kk | Method for manufacturing semiconductor device |
US4528855A (en) * | 1984-07-02 | 1985-07-16 | Itt Corporation | Integral differential and static pressure transducer |
-
1986
- 1986-04-24 DE DE86903022T patent/DE3689403T2/de not_active Expired - Fee Related
- 1986-04-24 EP EP19860903022 patent/EP0219543B1/de not_active Expired - Lifetime
- 1986-04-24 WO PCT/US1986/000860 patent/WO1986006548A1/en active IP Right Grant
- 1986-04-24 JP JP61502649A patent/JP2659944B2/ja not_active Expired - Lifetime
- 1986-04-25 CA CA000507638A patent/CA1271930A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JP2659944B2 (ja) | 1997-09-30 |
WO1986006548A1 (en) | 1986-11-06 |
EP0219543A1 (de) | 1987-04-29 |
EP0219543A4 (de) | 1989-01-24 |
JPS62502645A (ja) | 1987-10-08 |
EP0219543B1 (de) | 1993-12-15 |
CA1271930A (en) | 1990-07-24 |
DE3689403T2 (de) | 1994-04-07 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |