DE2240203A1 - Mikrowellenpruefgeraet - Google Patents
MikrowellenpruefgeraetInfo
- Publication number
- DE2240203A1 DE2240203A1 DE2240203A DE2240203A DE2240203A1 DE 2240203 A1 DE2240203 A1 DE 2240203A1 DE 2240203 A DE2240203 A DE 2240203A DE 2240203 A DE2240203 A DE 2240203A DE 2240203 A1 DE2240203 A1 DE 2240203A1
- Authority
- DE
- Germany
- Prior art keywords
- microwave energy
- workpiece
- waveguide
- energy
- microwave
- 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.)
- Pending
Links
- 238000007689 inspection Methods 0.000 title description 2
- 230000007547 defect Effects 0.000 claims description 7
- 230000006698 induction Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 230000007704 transition Effects 0.000 claims 1
- 239000002184 metal Substances 0.000 description 11
- 229910052751 metal Inorganic materials 0.000 description 11
- 230000008878 coupling Effects 0.000 description 10
- 238000010168 coupling process Methods 0.000 description 10
- 238000005859 coupling reaction Methods 0.000 description 10
- 238000005259 measurement Methods 0.000 description 10
- 230000005684 electric field Effects 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000001939 inductive effect Effects 0.000 description 3
- 150000002739 metals Chemical class 0.000 description 3
- 230000035515 penetration Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 239000004020 conductor Substances 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000003973 paint Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 230000000644 propagated effect Effects 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 238000000926 separation method Methods 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
- G01B15/00—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons
- G01B15/02—Measuring arrangements characterised by the use of electromagnetic waves or particle radiation, e.g. by the use of microwaves, X-rays, gamma rays or electrons for measuring thickness
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N22/00—Investigating or analysing materials by the use of microwaves or radio waves, i.e. electromagnetic waves with a wavelength of one millimetre or more
- G01N22/02—Investigating the presence of flaws
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Biochemistry (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Length-Measuring Devices Using Wave Or Particle Radiation (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US17276871A | 1971-08-18 | 1971-08-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE2240203A1 true DE2240203A1 (de) | 1973-02-22 |
Family
ID=22629150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2240203A Pending DE2240203A1 (de) | 1971-08-18 | 1972-08-11 | Mikrowellenpruefgeraet |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3710243A (enExample) |
| JP (1) | JPS4829462A (enExample) |
| CA (1) | CA960752A (enExample) |
| DE (1) | DE2240203A1 (enExample) |
| FR (1) | FR2150189A5 (enExample) |
| GB (1) | GB1333907A (enExample) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4166973A (en) * | 1978-03-07 | 1979-09-04 | Philip Morris Incorporated | Method and system for detection of thin metal layers in packaged articles |
| SE8000410L (sv) * | 1979-01-20 | 1980-07-21 | Lambda Ind Science Ltd | Sprickdetektor |
| JPS57127835A (en) * | 1981-01-30 | 1982-08-09 | Matsushita Electric Works Ltd | Detecting method of crack in veneer of decorative board wherein veneer is used |
| DE3107675C2 (de) * | 1981-02-28 | 1985-06-20 | Elektro-Physik Hans Nix & Dr.-Ing. E. Steingroever KG, 5000 Köln | Verfahren und Vorrichtung zur elektronischen Messung der Dicke sehr dünner elektrisch leitfähiger Schichten auf nichtleitendem Trägermaterial |
| JPS6176942A (ja) * | 1984-09-22 | 1986-04-19 | Kanzaki Paper Mfg Co Ltd | 誘電体シートの配向性又は誘電特性の測定方法 |
| US4739249A (en) * | 1987-04-23 | 1988-04-19 | Imatran Voima Oy | Method and apparatus for the measurement of the properties of sheet- or foil-like materials of low electrical conductivity |
| US5348723A (en) * | 1990-02-07 | 1994-09-20 | Bandgap Technology Corporation | Synthesis of semiconductor grade tungsten hexafluoride |
| FR2674623B1 (fr) * | 1991-03-29 | 1993-06-04 | Alcatel Fibres Optiques | Dispositif de mesure en continu et sans contact de l'epaisseur d'une mince couche conductrice sur un support isolant, du genre fibre ou ruban, qui defile. |
| US5748003A (en) * | 1991-07-29 | 1998-05-05 | Colorado State University Research Foundation | Microwaves used for determining fatigue and surface crack features on metal surfaces |
| US5376889A (en) * | 1991-10-10 | 1994-12-27 | Hughes Aircraft Company | System and method for detecting and locating flaws on or beneath a surface |
| EP1410991A3 (de) | 2002-10-10 | 2005-12-14 | Focke & Co. (GmbH & Co. KG) | Verfahren und Vorrichtung zur Überprüfung des Inhalts einer (geschlossenen) Packung |
| US8525705B1 (en) | 2010-05-20 | 2013-09-03 | The United States Of America As Represented By The Secretary Of The Navy | Apparatus and method for detecting defects in solid rocket motor propellant |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3628135A (en) * | 1969-12-15 | 1971-12-14 | Rank Organisation Ltd | Cranked hollow waveguide for measuring moisture content of moving sheet or web material |
-
1971
- 1971-08-18 US US00172768A patent/US3710243A/en not_active Expired - Lifetime
-
1972
- 1972-07-19 CA CA147,508A patent/CA960752A/en not_active Expired
- 1972-07-24 GB GB3459572A patent/GB1333907A/en not_active Expired
- 1972-08-11 DE DE2240203A patent/DE2240203A1/de active Pending
- 1972-08-17 JP JP47082431A patent/JPS4829462A/ja active Pending
- 1972-08-18 FR FR7229661A patent/FR2150189A5/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4829462A (enExample) | 1973-04-19 |
| GB1333907A (en) | 1973-10-17 |
| FR2150189A5 (enExample) | 1973-03-30 |
| US3710243A (en) | 1973-01-09 |
| CA960752A (en) | 1975-01-07 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| OHA | Expiration of time for request for examination |