JPH0380254B2 - - Google Patents
Info
- Publication number
- JPH0380254B2 JPH0380254B2 JP58244783A JP24478383A JPH0380254B2 JP H0380254 B2 JPH0380254 B2 JP H0380254B2 JP 58244783 A JP58244783 A JP 58244783A JP 24478383 A JP24478383 A JP 24478383A JP H0380254 B2 JPH0380254 B2 JP H0380254B2
- Authority
- JP
- Japan
- Prior art keywords
- layer
- forming
- low resistance
- insulating layer
- epitaxial
- 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
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
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
- G01L9/0073—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a semiconductive diaphragm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Pressure Sensors (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24478383A JPS60138434A (ja) | 1983-12-27 | 1983-12-27 | 半導体形静電容量式圧力センサの製造方法 |
DE19843445774 DE3445774A1 (de) | 1983-12-27 | 1984-12-12 | Verfahren zur herstellung eines kapazitiven halbleiterdruckaufnehmers |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP24478383A JPS60138434A (ja) | 1983-12-27 | 1983-12-27 | 半導体形静電容量式圧力センサの製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS60138434A JPS60138434A (ja) | 1985-07-23 |
JPH0380254B2 true JPH0380254B2 (enrdf_load_stackoverflow) | 1991-12-24 |
Family
ID=17123853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP24478383A Granted JPS60138434A (ja) | 1983-12-27 | 1983-12-27 | 半導体形静電容量式圧力センサの製造方法 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JPS60138434A (enrdf_load_stackoverflow) |
DE (1) | DE3445774A1 (enrdf_load_stackoverflow) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6263828A (ja) * | 1985-09-06 | 1987-03-20 | Yokogawa Electric Corp | 振動式トランスジューサ |
US4872945A (en) * | 1986-06-25 | 1989-10-10 | Motorola Inc. | Post seal etching of transducer diaphragm |
JPH0750789B2 (ja) * | 1986-07-18 | 1995-05-31 | 日産自動車株式会社 | 半導体圧力変換装置の製造方法 |
JPH064304Y2 (ja) * | 1987-08-17 | 1994-02-02 | 横河電機株式会社 | 静電容量形半導体圧力センサ |
DE4106933B4 (de) * | 1991-03-05 | 2004-12-16 | Robert Bosch Gmbh | Strukturierungsverfahren |
DE4441903C1 (de) * | 1994-11-24 | 1996-03-21 | Siemens Ag | Drucksensor |
EP0714017B1 (de) * | 1994-11-24 | 2000-07-12 | Siemens Aktiengesellschaft | Kapazitiver Drucksensor |
EP0758080B1 (de) * | 1995-08-09 | 1998-09-30 | Siemens Aktiengesellschaft | Mikromechanisches Bauelement mit perforierter, spannungsfreier Membran |
US5888845A (en) * | 1996-05-02 | 1999-03-30 | National Semiconductor Corporation | Method of making high sensitivity micro-machined pressure sensors and acoustic transducers |
EP0979992B1 (de) * | 1998-08-11 | 2003-10-08 | Infineon Technologies AG | Verfahren zur Herstellung eines Mikromechanischen Sensors |
JP4250387B2 (ja) | 2002-08-20 | 2009-04-08 | 長野計器株式会社 | 変換器およびその製造方法 |
JP2009033698A (ja) | 2007-06-22 | 2009-02-12 | Panasonic Corp | ダイアフラム構造及び音響センサ |
CN102143906A (zh) | 2008-09-10 | 2011-08-03 | 松下电器产业株式会社 | 微机电系统器件及其制造方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5516228A (en) * | 1978-07-21 | 1980-02-04 | Hitachi Ltd | Capacity type sensor |
DE2856708A1 (de) * | 1978-12-29 | 1980-07-10 | Siemens Ag | Messanordnung fuer einen druck-messumformer |
US4261086A (en) * | 1979-09-04 | 1981-04-14 | Ford Motor Company | Method for manufacturing variable capacitance pressure transducers |
DE2940955A1 (de) * | 1979-10-09 | 1981-04-23 | Gosudarstvennyj naučno-issledovatel'skij institut teploenergetičeskogo priborostroenija, Moskva | Halbleiter-dehnungswandler |
US4332000A (en) * | 1980-10-03 | 1982-05-25 | International Business Machines Corporation | Capacitive pressure transducer |
-
1983
- 1983-12-27 JP JP24478383A patent/JPS60138434A/ja active Granted
-
1984
- 1984-12-12 DE DE19843445774 patent/DE3445774A1/de not_active Ceased
Also Published As
Publication number | Publication date |
---|---|
DE3445774A1 (de) | 1985-07-04 |
JPS60138434A (ja) | 1985-07-23 |
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