DE2461260C3 - Leuchtstoff - Google Patents
LeuchtstoffInfo
- Publication number
- DE2461260C3 DE2461260C3 DE2461260A DE2461260A DE2461260C3 DE 2461260 C3 DE2461260 C3 DE 2461260C3 DE 2461260 A DE2461260 A DE 2461260A DE 2461260 A DE2461260 A DE 2461260A DE 2461260 C3 DE2461260 C3 DE 2461260C3
- Authority
- DE
- Germany
- Prior art keywords
- phosphor
- lanthanum
- bromide
- lead
- terbium
- 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
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 24
- 229910052746 lanthanum Inorganic materials 0.000 claims description 10
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 10
- IOLCXVTUBQKXJR-UHFFFAOYSA-M potassium bromide Chemical compound [K+].[Br-] IOLCXVTUBQKXJR-UHFFFAOYSA-M 0.000 claims description 10
- 229910052771 Terbium Inorganic materials 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- GZCRRIHWUXGPOV-UHFFFAOYSA-N terbium atom Chemical group [Tb] GZCRRIHWUXGPOV-UHFFFAOYSA-N 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- SWLVFNYSXGMGBS-UHFFFAOYSA-N ammonium bromide Chemical compound [NH4+].[Br-] SWLVFNYSXGMGBS-UHFFFAOYSA-N 0.000 claims description 4
- 230000004907 flux Effects 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 claims description 4
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- 229910052716 thallium Inorganic materials 0.000 claims description 4
- MRELNEQAGSRDBK-UHFFFAOYSA-N lanthanum(3+);oxygen(2-) Chemical compound [O-2].[O-2].[O-2].[La+3].[La+3] MRELNEQAGSRDBK-UHFFFAOYSA-N 0.000 claims description 3
- BKVIYDNLLOSFOA-UHFFFAOYSA-N thallium Chemical compound [Tl] BKVIYDNLLOSFOA-UHFFFAOYSA-N 0.000 claims description 3
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- 230000003213 activating effect Effects 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- ZASWJUOMEGBQCQ-UHFFFAOYSA-L dibromolead Chemical compound Br[Pb]Br ZASWJUOMEGBQCQ-UHFFFAOYSA-L 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- SCRZPWWVSXWCMC-UHFFFAOYSA-N terbium(iii) oxide Chemical compound [O-2].[O-2].[O-2].[Tb+3].[Tb+3] SCRZPWWVSXWCMC-UHFFFAOYSA-N 0.000 claims description 2
- 239000000126 substance Substances 0.000 claims 3
- 239000012190 activator Substances 0.000 claims 1
- 229910052736 halogen Inorganic materials 0.000 claims 1
- 150000002367 halogens Chemical class 0.000 claims 1
- 150000002603 lanthanum Chemical class 0.000 claims 1
- 229910003451 terbium oxide Inorganic materials 0.000 claims 1
- PGAPATLGJSQQBU-UHFFFAOYSA-M thallium(i) bromide Chemical compound [Tl]Br PGAPATLGJSQQBU-UHFFFAOYSA-M 0.000 claims 1
- 239000013078 crystal Substances 0.000 description 15
- 239000010410 layer Substances 0.000 description 11
- 230000015572 biosynthetic process Effects 0.000 description 6
- 238000005755 formation reaction Methods 0.000 description 6
- 239000011230 binding agent Substances 0.000 description 5
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000011241 protective layer Substances 0.000 description 3
- XLLIQLLCWZCATF-UHFFFAOYSA-N 2-methoxyethyl acetate Chemical compound COCCOC(C)=O XLLIQLLCWZCATF-UHFFFAOYSA-N 0.000 description 2
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- 229910052684 Cerium Inorganic materials 0.000 description 2
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 150000004820 halides Chemical class 0.000 description 2
- 238000004020 luminiscence type Methods 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 230000003595 spectral effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 229910052688 Gadolinium Inorganic materials 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical group [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- UIWYJDYFSGRHKR-UHFFFAOYSA-N gadolinium atom Chemical compound [Gd] UIWYJDYFSGRHKR-UHFFFAOYSA-N 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052747 lanthanoid Inorganic materials 0.000 description 1
- 150000002602 lanthanoids Chemical class 0.000 description 1
- YXEUGTSPQFTXTR-UHFFFAOYSA-K lanthanum(3+);trihydroxide Chemical compound [OH-].[OH-].[OH-].[La+3] YXEUGTSPQFTXTR-UHFFFAOYSA-K 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- GZHCNRONBGZNAH-UHFFFAOYSA-N phosphanylidynelanthanum Chemical compound [La]#P GZHCNRONBGZNAH-UHFFFAOYSA-N 0.000 description 1
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920002689 polyvinyl acetate Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 229910052761 rare earth metal Inorganic materials 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K11/00—Luminescent, e.g. electroluminescent, chemiluminescent materials
- C09K11/08—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials
- C09K11/77—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals
- C09K11/7766—Luminescent, e.g. electroluminescent, chemiluminescent materials containing inorganic luminescent materials containing rare earth metals containing two or more rare earth metals
- C09K11/7767—Chalcogenides
- C09K11/7769—Oxides
- C09K11/777—Oxyhalogenides
-
- 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
- G21K4/00—Conversion screens for the conversion of the spatial distribution of X-rays or particle radiation into visible images, e.g. fluoroscopic screens
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Luminescent Compositions (AREA)
- Conversion Of X-Rays Into Visible Images (AREA)
Priority Applications (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2461260A DE2461260C3 (de) | 1974-12-23 | 1974-12-23 | Leuchtstoff |
| GB43227/75A GB1483708A (en) | 1974-12-23 | 1975-10-21 | Fluorescent substance |
| NL7514086A NL7514086A (nl) | 1974-12-23 | 1975-12-03 | Luminescentiestof. |
| US05/641,573 US4029851A (en) | 1974-12-23 | 1975-12-17 | Luminescent material and X-ray intensifier foil containing the same |
| FR7538844A FR2296001A1 (fr) | 1974-12-23 | 1975-12-18 | Substance luminescente et procede pour sa fabrication |
| IT30508/75A IT1064064B (it) | 1974-12-23 | 1975-12-19 | Sostanza luminescente che puo venire eccitata da raggi roentgen ad emettere luce ad azione fotografica ed e'costituita di ossialogenuro di lantanio attivato |
| JP50153186A JPS5189885A (OSRAM) | 1974-12-23 | 1975-12-22 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2461260A DE2461260C3 (de) | 1974-12-23 | 1974-12-23 | Leuchtstoff |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| DE2461260A1 DE2461260A1 (de) | 1976-07-01 |
| DE2461260B2 DE2461260B2 (de) | 1977-11-03 |
| DE2461260C3 true DE2461260C3 (de) | 1986-07-10 |
Family
ID=5934474
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE2461260A Expired DE2461260C3 (de) | 1974-12-23 | 1974-12-23 | Leuchtstoff |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4029851A (OSRAM) |
| JP (1) | JPS5189885A (OSRAM) |
| DE (1) | DE2461260C3 (OSRAM) |
| FR (1) | FR2296001A1 (OSRAM) |
| GB (1) | GB1483708A (OSRAM) |
| IT (1) | IT1064064B (OSRAM) |
| NL (1) | NL7514086A (OSRAM) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5919159B2 (ja) * | 1975-11-14 | 1984-05-02 | 株式会社東芝 | Ｘ センケイコウヒヨウジバン |
| NL7703295A (nl) * | 1977-03-28 | 1978-10-02 | Philips Nv | Roentgendetektor. |
| DE2847813C2 (de) * | 1978-11-03 | 1984-08-16 | Siemens AG, 1000 Berlin und 8000 München | Leuchtstoff |
| US4315979A (en) * | 1980-12-19 | 1982-02-16 | General Electric Company | Rare earth oxyhalide phosphor and x-ray image converters utilizing same |
| US4540599A (en) * | 1983-04-08 | 1985-09-10 | General Electric Company | X-Ray image converter devices utilizing rare earth oxyhalide phosphors |
| US4603259A (en) * | 1983-04-08 | 1986-07-29 | General Electric Company | X-ray image converter devices using rare earth oxyhalide phosphors |
| US4571305A (en) * | 1983-04-08 | 1986-02-18 | General Electric Company | Process for the preparation of rare earth oxyhalide phosphor |
| US4498008A (en) * | 1983-04-08 | 1985-02-05 | General Electric Company | X-ray image converter devices utilizing rare earth oxyhalide phosphors |
| US4578211A (en) * | 1983-04-08 | 1986-03-25 | General Electric Company | Process for the preparation of rare earth oxyhalide phosphor |
| US4532070A (en) * | 1983-04-08 | 1985-07-30 | General Electric Company | Process for the preparation of rare earth oxyhalide phosphor |
| US4524016A (en) * | 1983-06-28 | 1985-06-18 | E. I. Du Pont De Nemours And Company | Process for spheroidal BaFCl:Eu phosphor particles |
| US4539137A (en) * | 1983-10-24 | 1985-09-03 | Fuji Photo Film Co., Ltd. | Process for the preparation of phosphor |
| NL8500981A (nl) * | 1985-04-03 | 1986-11-03 | Philips Nv | Roentgenbeeldversterkerbuis met een secundaire stralings absorberende luminescentielaag. |
| JPH0813964B2 (ja) * | 1989-06-22 | 1996-02-14 | 富士写真フイルム株式会社 | 蛍光体 |
| WO2009126199A2 (en) * | 2008-03-11 | 2009-10-15 | Carnegie Institution Of Washington | New class of pure piezoeletric materials |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3591516A (en) * | 1968-10-23 | 1971-07-06 | Gen Electric | Fused salt process for producing rare earth oxyhalide and oxide luminescent materials |
| US3617743A (en) * | 1968-10-23 | 1971-11-02 | Gen Electric | X-ray image convertors utilizing lanthanum and gadolinium oxyhalide luminescent materials activated with terbium |
| US3607770A (en) * | 1968-10-23 | 1971-09-21 | Gen Electric | Gaseous reaction process for the production of rare earth oxyhalide and oxide luminescent materials |
| US3666676A (en) * | 1970-12-21 | 1972-05-30 | Gen Electric | Terbium activated rare earth oxyhalide phosphors containing ytterbium for reduced afterglow |
| DE2329396A1 (de) * | 1973-06-08 | 1975-01-02 | Siemens Ag | Roentgenleuchtstoff |
| US4297584A (en) * | 1977-04-11 | 1981-10-27 | Lockheed Missiles & Space Company, Inc. | Rare earth phosphors and phosphor screens |
-
1974
- 1974-12-23 DE DE2461260A patent/DE2461260C3/de not_active Expired
-
1975
- 1975-10-21 GB GB43227/75A patent/GB1483708A/en not_active Expired
- 1975-12-03 NL NL7514086A patent/NL7514086A/xx not_active Application Discontinuation
- 1975-12-17 US US05/641,573 patent/US4029851A/en not_active Expired - Lifetime
- 1975-12-18 FR FR7538844A patent/FR2296001A1/fr active Granted
- 1975-12-19 IT IT30508/75A patent/IT1064064B/it active
- 1975-12-22 JP JP50153186A patent/JPS5189885A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2296001A1 (fr) | 1976-07-23 |
| GB1483708A (en) | 1977-08-24 |
| NL7514086A (nl) | 1976-06-25 |
| JPS5189885A (OSRAM) | 1976-08-06 |
| IT1064064B (it) | 1985-02-18 |
| DE2461260B2 (de) | 1977-11-03 |
| FR2296001B1 (OSRAM) | 1978-05-19 |
| US4029851A (en) | 1977-06-14 |
| DE2461260A1 (de) | 1976-07-01 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8220 | Willingness to grant licences (paragraph 23) | ||
| 8225 | Change of the main classification |
Ipc: C09K 11/86 |
|
| 8281 | Inventor (new situation) |
Free format text: DEGENHARDT, HEINZ, DR.RER.NAT., 8520 ERLANGEN, DE |
|
| C3 | Grant after two publication steps (3rd publication) | ||
| 8339 | Ceased/non-payment of the annual fee |