JPS6245502B2 - - Google Patents
Info
- Publication number
- JPS6245502B2 JPS6245502B2 JP51082834A JP8283476A JPS6245502B2 JP S6245502 B2 JPS6245502 B2 JP S6245502B2 JP 51082834 A JP51082834 A JP 51082834A JP 8283476 A JP8283476 A JP 8283476A JP S6245502 B2 JPS6245502 B2 JP S6245502B2
- Authority
- JP
- Japan
- Prior art keywords
- time
- pulse
- gate
- response
- thickness
- 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
- 230000004044 response Effects 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 10
- 230000003321 amplification Effects 0.000 claims description 3
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 3
- 239000003990 capacitor Substances 0.000 description 25
- 239000013078 crystal Substances 0.000 description 23
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 13
- 229910052799 carbon Inorganic materials 0.000 description 13
- 230000008878 coupling Effects 0.000 description 13
- 238000010168 coupling process Methods 0.000 description 13
- 238000005859 coupling reaction Methods 0.000 description 13
- 239000000523 sample Substances 0.000 description 13
- 239000000463 material Substances 0.000 description 12
- 238000005259 measurement Methods 0.000 description 10
- 230000010355 oscillation Effects 0.000 description 7
- 238000002604 ultrasonography Methods 0.000 description 7
- 229920002799 BoPET Polymers 0.000 description 6
- 239000005041 Mylar™ Substances 0.000 description 6
- 238000012360 testing method Methods 0.000 description 4
- 238000009683 ultrasonic thickness measurement Methods 0.000 description 3
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000002238 attenuated effect Effects 0.000 description 2
- 239000003985 ceramic capacitor Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000010445 mica Substances 0.000 description 2
- 229910052618 mica group Inorganic materials 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 229910052710 silicon Inorganic materials 0.000 description 2
- 239000010703 silicon Substances 0.000 description 2
- 229910052709 silver Inorganic materials 0.000 description 2
- 239000004332 silver Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000001066 destructive effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 229910052715 tantalum Inorganic materials 0.000 description 1
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
- 230000001960 triggered effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B17/00—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations
- G01B17/02—Measuring arrangements characterised by the use of infrasonic, sonic or ultrasonic vibrations for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N29/00—Investigating or analysing materials by the use of ultrasonic, sonic or infrasonic waves; Visualisation of the interior of objects by transmitting ultrasonic or sonic waves through the object
- G01N29/04—Analysing solids
- G01N29/07—Analysing solids by measuring propagation velocity or propagation time of acoustic waves
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02854—Length, thickness
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Acoustics & Sound (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
- Measurement Of Unknown Time Intervals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/595,060 US4033176A (en) | 1975-07-11 | 1975-07-11 | Pocket-sized, direct-reading ultrasonic thickness gauge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5215374A JPS5215374A (en) | 1977-02-04 |
| JPS6245502B2 true JPS6245502B2 (en, 2012) | 1987-09-28 |
Family
ID=24381550
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP51082834A Granted JPS5215374A (en) | 1975-07-11 | 1976-07-12 | Method and device for measuring time interval between at least two signals |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US4033176A (en, 2012) |
| JP (1) | JPS5215374A (en, 2012) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4947351A (en) * | 1988-05-06 | 1990-08-07 | The United States Of America As Represented By The Secretary Of The Air Force | Ultrasonic scan system for nondestructive inspection |
| US4991440A (en) * | 1990-02-05 | 1991-02-12 | Westinghouse Electric Corp. | Method of ultrasonically measuring thickness and characteristics of zirconium liner coextruded with zirconium tube |
| CN110500974B (zh) * | 2019-08-06 | 2021-01-05 | 天津大学 | 基于改进峰值识别的工件厚度检测方法 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2562450A (en) * | 1947-07-05 | 1951-07-31 | Sperry Prod Inc | Pulse cutoff device |
| US3262306A (en) * | 1962-09-19 | 1966-07-26 | Branson Instr | Ultrasonic testing system |
| US3238767A (en) * | 1962-12-11 | 1966-03-08 | Manfred E Clynes | Ultrasonic pulse-echo system for internal exploration |
| US3256733A (en) * | 1963-02-06 | 1966-06-21 | Air Shields | Ultrasonic pulse-echo apparatus for internal exploration |
| US3427866A (en) * | 1965-10-26 | 1969-02-18 | Frederick Gordon Weighart | Ultrasonic thickness gauge and flow detector |
| US3690154A (en) * | 1969-07-21 | 1972-09-12 | Atomic Energy Authority Uk | Apparatus for measuring thickness |
| US3748895A (en) * | 1971-06-01 | 1973-07-31 | Magnaflux Corp | Pulse ultrasound thickness measuring system having interrogation control |
-
1975
- 1975-07-11 US US05/595,060 patent/US4033176A/en not_active Expired - Lifetime
-
1976
- 1976-07-12 JP JP51082834A patent/JPS5215374A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5215374A (en) | 1977-02-04 |
| US4033176A (en) | 1977-07-05 |
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