JPH0242190B2 - - Google Patents
Info
- Publication number
- JPH0242190B2 JPH0242190B2 JP7878782A JP7878782A JPH0242190B2 JP H0242190 B2 JPH0242190 B2 JP H0242190B2 JP 7878782 A JP7878782 A JP 7878782A JP 7878782 A JP7878782 A JP 7878782A JP H0242190 B2 JPH0242190 B2 JP H0242190B2
- Authority
- JP
- Japan
- Prior art keywords
- humidity
- moisture
- resonant frequency
- crystal
- tension
- 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
Links
- 239000013078 crystal Substances 0.000 claims description 31
- 230000007423 decrease Effects 0.000 claims description 7
- 230000010355 oscillation Effects 0.000 claims description 4
- 210000004209 hair Anatomy 0.000 description 10
- 238000003795 desorption Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000005871 repellent Substances 0.000 description 2
- 238000007740 vapor deposition Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000000151 deposition Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012778 molding material Substances 0.000 description 1
- 239000000615 nonconductor Substances 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 230000002940 repellent Effects 0.000 description 1
- 238000007650 screen-printing Methods 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N19/00—Investigating materials by mechanical methods
- G01N19/10—Measuring moisture content, e.g. by measuring change in length of hygroscopic filament; Hygrometers
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7878782A JPS58196442A (ja) | 1982-05-11 | 1982-05-11 | 湿度センサ |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7878782A JPS58196442A (ja) | 1982-05-11 | 1982-05-11 | 湿度センサ |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58196442A JPS58196442A (ja) | 1983-11-15 |
| JPH0242190B2 true JPH0242190B2 (en]) | 1990-09-20 |
Family
ID=13671588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7878782A Granted JPS58196442A (ja) | 1982-05-11 | 1982-05-11 | 湿度センサ |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58196442A (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4662220A (en) * | 1985-06-20 | 1987-05-05 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Water-absorbing capacitor system for measuring relative humidity |
| CZ302963B6 (cs) * | 2010-12-03 | 2012-01-25 | Vysoké ucení technické v Brne | Zpusob detekce prítomnosti biologických a/nebo chemických látek v plynném prostredí |
-
1982
- 1982-05-11 JP JP7878782A patent/JPS58196442A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58196442A (ja) | 1983-11-15 |
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