JPH0544619B2 - - Google Patents
Info
- Publication number
- JPH0544619B2 JPH0544619B2 JP58014819A JP1481983A JPH0544619B2 JP H0544619 B2 JPH0544619 B2 JP H0544619B2 JP 58014819 A JP58014819 A JP 58014819A JP 1481983 A JP1481983 A JP 1481983A JP H0544619 B2 JPH0544619 B2 JP H0544619B2
- Authority
- JP
- Japan
- Prior art keywords
- vacuum
- amplitude
- elastic body
- medium
- degree
- 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
- 230000007423 decrease Effects 0.000 description 12
- 230000008859 change Effects 0.000 description 9
- 238000005259 measurement Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000005284 excitation Effects 0.000 description 3
- 230000004044 response Effects 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000644 propagated effect Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 239000010409 thin film Substances 0.000 description 2
- 102000006391 Ion Pumps Human genes 0.000 description 1
- 108010083687 Ion Pumps Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 238000007738 vacuum evaporation Methods 0.000 description 1
- 239000011345 viscous material Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L21/00—Vacuum gauges
- G01L21/16—Vacuum gauges by measuring variation of frictional resistance of gases
- G01L21/22—Vacuum gauges by measuring variation of frictional resistance of gases using resonance effects of a vibrating body; Vacuum gauges of the Klumb type
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1481983A JPS59141026A (ja) | 1983-01-31 | 1983-01-31 | 真空計 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1481983A JPS59141026A (ja) | 1983-01-31 | 1983-01-31 | 真空計 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59141026A JPS59141026A (ja) | 1984-08-13 |
JPH0544619B2 true JPH0544619B2 (ko) | 1993-07-06 |
Family
ID=11871646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1481983A Granted JPS59141026A (ja) | 1983-01-31 | 1983-01-31 | 真空計 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59141026A (ko) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2518814B2 (ja) * | 1985-04-08 | 1996-07-31 | 株式会社日立製作所 | 真空計 |
JP5375252B2 (ja) * | 2008-11-28 | 2013-12-25 | 富士電機株式会社 | 真空計 |
JP5387468B2 (ja) * | 2010-03-19 | 2014-01-15 | 富士電機株式会社 | 真空計 |
JP5387467B2 (ja) * | 2010-03-19 | 2014-01-15 | 富士電機株式会社 | 真空計 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5039392A (ko) * | 1973-08-14 | 1975-04-11 | ||
JPS539875B2 (ko) * | 1973-12-12 | 1978-04-08 | ||
JPS554559A (en) * | 1978-06-27 | 1980-01-14 | Meisei Electric Co Ltd | Pressure sensor using crystal vibrator |
JPS55164325A (en) * | 1979-06-11 | 1980-12-22 | Toho Denshi Kk | Fluid pressure electric converting unit |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5655627Y2 (ko) * | 1976-07-09 | 1981-12-25 |
-
1983
- 1983-01-31 JP JP1481983A patent/JPS59141026A/ja active Granted
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5039392A (ko) * | 1973-08-14 | 1975-04-11 | ||
JPS539875B2 (ko) * | 1973-12-12 | 1978-04-08 | ||
JPS554559A (en) * | 1978-06-27 | 1980-01-14 | Meisei Electric Co Ltd | Pressure sensor using crystal vibrator |
JPS55164325A (en) * | 1979-06-11 | 1980-12-22 | Toho Denshi Kk | Fluid pressure electric converting unit |
Also Published As
Publication number | Publication date |
---|---|
JPS59141026A (ja) | 1984-08-13 |
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