JPS61114139A - 差圧センサ - Google Patents
差圧センサInfo
- Publication number
- JPS61114139A JPS61114139A JP23582484A JP23582484A JPS61114139A JP S61114139 A JPS61114139 A JP S61114139A JP 23582484 A JP23582484 A JP 23582484A JP 23582484 A JP23582484 A JP 23582484A JP S61114139 A JPS61114139 A JP S61114139A
- Authority
- JP
- Japan
- Prior art keywords
- diaphragm
- hole
- layer
- differential pressure
- pressure sensor
- 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
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000005530 etching Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 abstract description 10
- 238000009792 diffusion process Methods 0.000 abstract description 7
- 230000035945 sensitivity Effects 0.000 abstract description 3
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 abstract description 2
- 230000010355 oscillation Effects 0.000 abstract 4
- 229910052710 silicon Inorganic materials 0.000 description 6
- 239000010703 silicon Substances 0.000 description 6
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 5
- 238000001514 detection method Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 239000012535 impurity Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 239000007767 bonding agent Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000206 photolithography Methods 0.000 description 1
- 150000003376 silicon Chemical class 0.000 description 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0019—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a semiconductive element
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23582484A JPS61114139A (ja) | 1984-11-08 | 1984-11-08 | 差圧センサ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23582484A JPS61114139A (ja) | 1984-11-08 | 1984-11-08 | 差圧センサ |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61114139A true JPS61114139A (ja) | 1986-05-31 |
JPH0536737B2 JPH0536737B2 (enrdf_load_stackoverflow) | 1993-05-31 |
Family
ID=16991800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP23582484A Granted JPS61114139A (ja) | 1984-11-08 | 1984-11-08 | 差圧センサ |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61114139A (enrdf_load_stackoverflow) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2824636A1 (fr) * | 2001-05-10 | 2002-11-15 | Schlumberger Services Petrol | Capteur de pression microelectronique a resonateur supportant des pressions elevees |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5526487A (en) * | 1978-05-30 | 1980-02-25 | Itt | Pressure converter and producing same |
-
1984
- 1984-11-08 JP JP23582484A patent/JPS61114139A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5526487A (en) * | 1978-05-30 | 1980-02-25 | Itt | Pressure converter and producing same |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2824636A1 (fr) * | 2001-05-10 | 2002-11-15 | Schlumberger Services Petrol | Capteur de pression microelectronique a resonateur supportant des pressions elevees |
WO2003001171A3 (en) * | 2001-05-10 | 2003-03-06 | Schlumberger Services Petrol | A resonance-type microelectronic pressure sensor that withstands high pressures |
US6966228B2 (en) | 2001-05-10 | 2005-11-22 | Schlumberger Technology Corporation | Resonator-type microelectronic pressure sensor that withstands high pressures |
Also Published As
Publication number | Publication date |
---|---|
JPH0536737B2 (enrdf_load_stackoverflow) | 1993-05-31 |
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