JPS6350660B2 - - Google Patents
Info
- Publication number
- JPS6350660B2 JPS6350660B2 JP81501100A JP50110080A JPS6350660B2 JP S6350660 B2 JPS6350660 B2 JP S6350660B2 JP 81501100 A JP81501100 A JP 81501100A JP 50110080 A JP50110080 A JP 50110080A JP S6350660 B2 JPS6350660 B2 JP S6350660B2
- Authority
- JP
- Japan
- Prior art keywords
- electrodes
- transducer
- electric field
- screen
- defects
- 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
- 230000007547 defect Effects 0.000 description 41
- 230000005684 electric field Effects 0.000 description 29
- 238000009826 distribution Methods 0.000 description 6
- 239000004020 conductor Substances 0.000 description 5
- 238000013461 design Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 230000035945 sensitivity Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000000758 substrate Substances 0.000 description 4
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 229910052580 B4C Inorganic materials 0.000 description 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
- 229910010271 silicon carbide Inorganic materials 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 229920002994 synthetic fiber Polymers 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N27/00—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
- G01N27/02—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
- G01N27/22—Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating capacitance
- G01N27/24—Investigating the presence of flaws
Landscapes
- Chemical & Material Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Pathology (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Electrochemistry (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Immunology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
- Fuel Cell (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/SU1980/000178 WO1982001592A1 (en) | 1980-10-24 | 1980-10-24 | Device for determining surface defects of filament articles |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56500571A JPS56500571A (enrdf_load_stackoverflow) | 1981-04-30 |
| JPS6350660B2 true JPS6350660B2 (enrdf_load_stackoverflow) | 1988-10-11 |
Family
ID=21616679
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP81501100A Pending JPS57501597A (enrdf_load_stackoverflow) | 1980-10-24 | 1980-10-24 | |
| JP81501100A Expired JPS6350660B2 (enrdf_load_stackoverflow) | 1980-10-24 | 1980-10-24 |
Family Applications Before (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP81501100A Pending JPS57501597A (enrdf_load_stackoverflow) | 1980-10-24 | 1980-10-24 |
Country Status (4)
| Country | Link |
|---|---|
| JP (2) | JPS57501597A (enrdf_load_stackoverflow) |
| DE (1) | DE3050619T1 (enrdf_load_stackoverflow) |
| GB (1) | GB2102958B (enrdf_load_stackoverflow) |
| WO (1) | WO1982001592A1 (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0701105A1 (en) * | 1994-09-12 | 1996-03-13 | AT&T Corp. | Method and apparatus for controlling the cross-sectional dimensions of optical fibers during fabrication |
| DE4442711A1 (de) * | 1994-12-01 | 1996-06-05 | Claas Ohg | Kapazitive Meßvorrichtung |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH199226A (de) * | 1937-06-15 | 1938-08-15 | Hardung Dr Victor | Gleichförmigkeitsmesser zur Prüfung und Registrierung der Querschnittsschwankungen von faden-, draht- oder bandförmigen Materialien. |
| CH249096A (de) * | 1946-04-29 | 1947-06-15 | Zellweger Uster Ag | Verfahren und Vorrichtung zur Messung der Gleichmässigkeit des Substanzquerschnittes von Textilgut, insbesondere von Garnen, Vorgarnen und Bändern. |
| CH281330A (de) * | 1949-03-15 | 1952-02-29 | Zellweger Ag Apparate & Maschi | Verfahren und Einrichtung zur Bestimmung der mittleren Abweichung einer variablen Grösse von ihrem Mittelwert, insbesondere zur Bestimmung der mittleren Abweichung des Substanzquerschnittes von Faserbändern, Vorgarnen und Garnen. |
| FR1150424A (fr) * | 1956-05-03 | 1958-01-13 | Procédé et appareil pour le contrôle de l'irrégularité de courants de matières textiles ou similaires | |
| GB1348982A (en) * | 1971-05-20 | 1974-03-27 | Dickinson Robinson Group Ltd | Method of detecting changes in moving material |
| JPS5157491A (en) * | 1974-11-16 | 1976-05-19 | Nippon Steel Corp | Sokokinzokubanno setsuketsubukenshutsusochi |
-
1980
- 1980-10-24 JP JP81501100A patent/JPS57501597A/ja active Pending
- 1980-10-24 WO PCT/SU1980/000178 patent/WO1982001592A1/en active Application Filing
- 1980-10-24 GB GB08216869A patent/GB2102958B/en not_active Expired
- 1980-10-24 DE DE803050619T patent/DE3050619T1/de active Granted
- 1980-10-24 JP JP81501100A patent/JPS6350660B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE3050619T1 (de) | 1982-11-04 |
| GB2102958A (en) | 1983-02-09 |
| JPS57501597A (enrdf_load_stackoverflow) | 1982-09-02 |
| JPS56500571A (enrdf_load_stackoverflow) | 1981-04-30 |
| GB2102958B (en) | 1985-04-17 |
| WO1982001592A1 (en) | 1982-05-13 |
| DE3050619C2 (enrdf_load_stackoverflow) | 1988-12-29 |
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