JPH0320772Y2 - - Google Patents
Info
- Publication number
- JPH0320772Y2 JPH0320772Y2 JP4830085U JP4830085U JPH0320772Y2 JP H0320772 Y2 JPH0320772 Y2 JP H0320772Y2 JP 4830085 U JP4830085 U JP 4830085U JP 4830085 U JP4830085 U JP 4830085U JP H0320772 Y2 JPH0320772 Y2 JP H0320772Y2
- Authority
- JP
- Japan
- Prior art keywords
- coil
- flaw detection
- printed
- core
- rotating
- 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
- 238000001514 detection method Methods 0.000 claims description 32
- 239000000523 sample Substances 0.000 claims description 18
- 239000000696 magnetic material Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 6
- 238000007639 printing Methods 0.000 claims description 5
- 230000004907 flux Effects 0.000 description 23
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
Classifications
-
- 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
- G01N2291/04—Wave modes and trajectories
- G01N2291/044—Internal reflections (echoes), e.g. on walls or defects
Landscapes
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4830085U JPH0320772Y2 (OSRAM) | 1985-04-01 | 1985-04-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4830085U JPH0320772Y2 (OSRAM) | 1985-04-01 | 1985-04-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61163976U JPS61163976U (OSRAM) | 1986-10-11 |
| JPH0320772Y2 true JPH0320772Y2 (OSRAM) | 1991-05-07 |
Family
ID=30564427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4830085U Expired JPH0320772Y2 (OSRAM) | 1985-04-01 | 1985-04-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0320772Y2 (OSRAM) |
-
1985
- 1985-04-01 JP JP4830085U patent/JPH0320772Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61163976U (OSRAM) | 1986-10-11 |
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