DD294119A5 - Filter und verfahren zur verringerung des strahlendosis - Google Patents
Filter und verfahren zur verringerung des strahlendosis Download PDFInfo
- Publication number
- DD294119A5 DD294119A5 DD32529789A DD32529789A DD294119A5 DD 294119 A5 DD294119 A5 DD 294119A5 DD 32529789 A DD32529789 A DD 32529789A DD 32529789 A DD32529789 A DD 32529789A DD 294119 A5 DD294119 A5 DD 294119A5
- Authority
- DD
- German Democratic Republic
- Prior art keywords
- filter
- radiation
- ray
- niobium
- energy
- Prior art date
Links
- 230000005855 radiation Effects 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 14
- 239000000463 material Substances 0.000 claims abstract description 65
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 28
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 28
- 238000001914 filtration Methods 0.000 claims abstract description 19
- 239000000470 constituent Substances 0.000 claims abstract description 5
- 239000010955 niobium Substances 0.000 claims description 49
- 229910052758 niobium Inorganic materials 0.000 claims description 33
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 33
- 239000011888 foil Substances 0.000 claims description 28
- 229910052751 metal Inorganic materials 0.000 claims description 26
- 239000002184 metal Substances 0.000 claims description 26
- 230000009467 reduction Effects 0.000 claims description 24
- 238000010521 absorption reaction Methods 0.000 claims description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 9
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 8
- 229910052750 molybdenum Inorganic materials 0.000 claims description 8
- 239000011733 molybdenum Substances 0.000 claims description 8
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 5
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 229910052709 silver Inorganic materials 0.000 claims description 5
- 239000004332 silver Substances 0.000 claims description 5
- 229910052718 tin Inorganic materials 0.000 claims description 5
- 239000011701 zinc Substances 0.000 claims description 5
- 229910052726 zirconium Inorganic materials 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 229920002457 flexible plastic Polymers 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 239000011135 tin Substances 0.000 claims description 4
- 229910052725 zinc Inorganic materials 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 6
- 238000003384 imaging method Methods 0.000 abstract 1
- 238000001228 spectrum Methods 0.000 description 11
- 238000002474 experimental method Methods 0.000 description 6
- 229910052729 chemical element Inorganic materials 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- BUGBHKTXTAQXES-UHFFFAOYSA-N Selenium Chemical compound [Se] BUGBHKTXTAQXES-UHFFFAOYSA-N 0.000 description 3
- 230000001419 dependent effect Effects 0.000 description 3
- 238000002594 fluoroscopy Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000011669 selenium Substances 0.000 description 3
- 229910052711 selenium Inorganic materials 0.000 description 3
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 3
- 229910052721 tungsten Inorganic materials 0.000 description 3
- 239000010937 tungsten Substances 0.000 description 3
- 210000001015 abdomen Anatomy 0.000 description 2
- 238000005275 alloying Methods 0.000 description 2
- 238000012631 diagnostic technique Methods 0.000 description 2
- 238000010894 electron beam technology Methods 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000002601 radiography Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910052727 yttrium Inorganic materials 0.000 description 2
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 description 2
- 206010028980 Neoplasm Diseases 0.000 description 1
- 238000002083 X-ray spectrum Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000002730 additional effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 230000002939 deleterious effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000002050 diffraction method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052732 germanium Inorganic materials 0.000 description 1
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 229910052738 indium Inorganic materials 0.000 description 1
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000009607 mammography Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 229910052713 technetium Inorganic materials 0.000 description 1
- GKLVYJBZJHMRIY-UHFFFAOYSA-N technetium atom Chemical compound [Tc] GKLVYJBZJHMRIY-UHFFFAOYSA-N 0.000 description 1
- 238000002424 x-ray crystallography Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21K—TECHNIQUES FOR HANDLING PARTICLES OR IONISING RADIATION NOT OTHERWISE PROVIDED FOR; IRRADIATION DEVICES; GAMMA RAY OR X-RAY MICROSCOPES
- G21K1/00—Arrangements for handling particles or ionising radiation, e.g. focusing or moderating
- G21K1/10—Scattering devices; Absorbing devices; Ionising radiation filters
Landscapes
- Physics & Mathematics (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Apparatus For Radiation Diagnosis (AREA)
- Analysing Materials By The Use Of Radiation (AREA)
- X-Ray Techniques (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA000557752A CA1250062A (en) | 1988-01-29 | 1988-01-29 | Radiation reduction filter for use in medical diagnosis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DD294119A5 true DD294119A5 (de) | 1991-09-19 |
Family
ID=4137353
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DD32529789A DD294119A5 (de) | 1988-01-29 | 1989-01-27 | Filter und verfahren zur verringerung des strahlendosis |
Country Status (10)
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GR890100445A (el) * | 1989-07-12 | 1991-12-10 | Rad Red Lab Inc | Φιλτρο μειωσης της ακτινοβολιας για χρηση σε ιατρικες διαγνωσεις |
| DE9402609U1 (de) * | 1994-02-17 | 1994-08-11 | t & t shielding Gesellschaft für innovativen Strahlenschutz mbH, 41065 Mönchengladbach | Mehrschichtiges, flexibles Röntgenschutzmaterial nach DIN - 6813 |
| AU782164B2 (en) | 2000-02-02 | 2005-07-07 | Gendex Corporation | Automatic x-ray detection for intra-oral dental x-ray imaging apparatus |
| JP3741613B2 (ja) | 2001-01-29 | 2006-02-01 | 株式会社光子発生技術研究所 | 高エネルギーｘ線イメージング装置およびその方法 |
| WO2003010556A2 (en) | 2001-07-25 | 2003-02-06 | Dentsply International Inc. | Real-time digital x-ray imaging apparatus |
| CA2491759A1 (en) | 2002-07-25 | 2004-02-19 | Gendex Corporation | Real-time digital x-ray imaging apparatus and method |
| DE102006059143A1 (de) * | 2006-12-14 | 2008-06-26 | Siemens Ag | Filteranordnung zur Ausfilterung von Röntgenstrahlen, insbesondere bei einem Mammographiegerät, und Röntgenfilter |
| WO2009122317A2 (en) * | 2008-04-01 | 2009-10-08 | Koninklijke Philips Electronics N.V. | Spectral detector calibration |
| DE102011083845A1 (de) * | 2011-09-30 | 2012-08-23 | Siemens Aktiengesellschaft | Filtereinrichtung zur Strahlaufhärtung bei einer Röntgeneinrichtung |
| CN104535592A (zh) * | 2014-12-31 | 2015-04-22 | 同方威视技术股份有限公司 | 一种滤波装置和方法及一种物质探测装置和方法 |
| CN105181723B (zh) * | 2015-09-28 | 2019-02-12 | 同方威视技术股份有限公司 | 双能射线扫描系统、扫描方法以及检查系统 |
| CN107731332A (zh) * | 2017-08-31 | 2018-02-23 | 深圳市斯玛仪器有限公司 | 一种x射线防护器及放射性装置 |
| CN114401667B (zh) * | 2019-09-09 | 2025-08-12 | 上海联影医疗科技股份有限公司 | 治疗装置 |
| EP3834731A1 (en) * | 2019-12-12 | 2021-06-16 | Koninklijke Philips N.V. | Combined k-edge filters for dose reduction in x-ray imaging |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1614019B2 (de) * | 1967-08-05 | 1971-04-08 | Koch & Sterzel Kg, 4300 Essen | Roentgenstrahlenquelle fuer die herstellung kontrastreicher medizinischer roentgenaufnahmen |
| US3674687A (en) * | 1969-09-19 | 1972-07-04 | Underwater Storage Inc | Storm sewage treatment |
| NL7104000A (enrdf_load_stackoverflow) * | 1971-03-25 | 1972-09-27 | ||
| DE3022997A1 (de) * | 1980-06-20 | 1982-05-19 | Adolf Dipl.-Ing. 5788 Winterberg Voß | Regenueberlauf-bauwerk fuer eine mischkanalisation |
| US4499591A (en) * | 1982-11-17 | 1985-02-12 | Gary Hartwell | Fluoroscopic filtering |
| DE3514726A1 (de) * | 1984-06-07 | 1985-12-12 | Ingenieur-Gemeinschaft Meerestechnik Und Seebau (Ims) Gmbh, 2000 Hamburg | Vorrichtung fuer die zeitweise speicherung von mischwasser |
| DE3435477A1 (de) * | 1984-09-27 | 1986-03-27 | Hansjörg Dr.-Ing. 6990 Bad Mergentheim Brombach | Abwasserdrossel |
| DE8502827U1 (de) * | 1985-02-02 | 1985-07-18 | Giehl, Klaus-Ulrich, Dipl.-Ing. (FH), 5239 Heimborn | Flüssigkeitsspeicherraum mit einer Spüleinrichtung |
-
1988
- 1988-01-29 CA CA000557752A patent/CA1250062A/en not_active Expired
-
1989
- 1989-01-24 IN IN65DE1989 patent/IN172608B/en unknown
- 1989-01-27 AU AU30566/89A patent/AU3056689A/en not_active Abandoned
- 1989-01-27 DE DE8912419U patent/DE8912419U1/de not_active Expired - Lifetime
- 1989-01-27 ES ES8900291A patent/ES2011731A6/es not_active Expired - Fee Related
- 1989-01-27 EP EP19890902441 patent/EP0356488A4/en not_active Withdrawn
- 1989-01-27 DD DD32529789A patent/DD294119A5/de not_active IP Right Cessation
- 1989-01-27 WO PCT/US1989/000265 patent/WO1989007322A1/en not_active Application Discontinuation
- 1989-01-27 JP JP1502269A patent/JPH03503213A/ja active Pending
- 1989-01-28 CN CN 89101411 patent/CN1023849C/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03503213A (ja) | 1991-07-18 |
| CA1250062A (en) | 1989-02-14 |
| EP0356488A1 (en) | 1990-03-07 |
| CN1023849C (zh) | 1994-02-16 |
| DE8912419U1 (de) | 1990-02-01 |
| EP0356488A4 (en) | 1991-09-25 |
| AU3056689A (en) | 1989-08-25 |
| CN1036285A (zh) | 1989-10-11 |
| ES2011731A6 (es) | 1990-02-01 |
| WO1989007322A1 (en) | 1989-08-10 |
| IN172608B (enrdf_load_stackoverflow) | 1993-10-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RPV | Change in the person, the name or the address of the representative (searches according to art. 11 and 12 extension act) | ||
| ENJ | Ceased due to non-payment of renewal fee |