WO1995012212A2 - Procede de production de grandes plaques polycristalline constituees de substances optiques et de scintillation - Google Patents
Procede de production de grandes plaques polycristalline constituees de substances optiques et de scintillation Download PDFInfo
- Publication number
- WO1995012212A2 WO1995012212A2 PCT/UA1994/000027 UA9400027W WO9512212A2 WO 1995012212 A2 WO1995012212 A2 WO 1995012212A2 UA 9400027 W UA9400027 W UA 9400027W WO 9512212 A2 WO9512212 A2 WO 9512212A2
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- large polycrystalline
- blank
- optical
- plates
- producing large
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T1/00—Measuring X-radiation, gamma radiation, corpuscular radiation, or cosmic radiation
- G01T1/16—Measuring radiation intensity
- G01T1/20—Measuring radiation intensity with scintillation detectors
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B1/00—Single-crystal growth directly from the solid state
- C30B1/12—Single-crystal growth directly from the solid state by pressure treatment during the growth
-
- C—CHEMISTRY; METALLURGY
- C30—CRYSTAL GROWTH
- C30B—SINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
- C30B29/00—Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
- C30B29/10—Inorganic compounds or compositions
- C30B29/12—Halides
Definitions
- ____ - large-sized mono-crystals are characterized by Xia ne ⁇ avn ⁇ me ⁇ nym ⁇ zhdeniem a ⁇ iva ⁇ a / in chas ⁇ n ⁇ s ⁇ i, ⁇ alliya / ⁇ ⁇ bemu, ch ⁇ ⁇ iv ⁇ tsi ⁇ ⁇ ne ⁇ d ⁇ dn ⁇ s ⁇ i sve ⁇ v ⁇ g ⁇ ⁇ y ⁇ da ⁇ ⁇ l ⁇ schadi tse ⁇ e ⁇ a, izg ⁇ vlen ⁇ - g ⁇ on ⁇ sn ⁇ ve m ⁇ n ⁇ is ⁇ alliches ⁇ i ⁇ stsin ⁇ illyaii ⁇ nny ⁇ 5 ⁇ las ⁇ in.
- the temperature is registered by the recorder, who agrees with the temperature, which is installed in one of the cookers.
- the upper plate will run at a speed of 9 mm / Mic 20 and will be free of compression by the main pressure. Indicated speed is used. by compressing the initial batch of small size. Sizes of the preparations and the rate calculated by us on the basis of 25 data, which are given in the table of descriptions.
- 25 Wali was a commercially available shortcut with a diameter of 127 and a height of 177 mm.
- the manufacture was carried out similarly to the example, in the result we received a plate with dimensions / 270 ⁇ 12.7 ⁇ 685 / mm.
- the table contains the finished products and the obtained plaques for the proposed method and methods and analogs.
- ⁇ is the “dry” box, it processes the electric appliances and places between hydraulic cookers with a force of 2 ⁇ 0 ⁇ .
- the bakeware of the metal is insulated from the working materials by the process of laying the waste.
- EXAMPLE 2 It is carried out similarly to Example I, but this is also done with the original mono-crystalline extract from / ⁇ - ⁇ ) with a diameter of 185 and a height of
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Health & Medical Sciences (AREA)
- Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Physics & Mathematics (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Crystals, And After-Treatments Of Crystals (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Devices For Post-Treatments, Processing, Supply, Discharge, And Other Processes (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US08/624,517 US5723076A (en) | 1993-10-20 | 1994-10-18 | Method of producing large polycrystalline plates from optical and scintillation materials |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
UA94051492 | 1993-10-20 | ||
UA94051492 | 1993-10-20 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1995012212A2 true WO1995012212A2 (fr) | 1995-05-04 |
WO1995012212A3 WO1995012212A3 (fr) | 1995-07-06 |
Family
ID=21688986
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/UA1994/000027 WO1995012212A2 (fr) | 1993-10-20 | 1994-10-18 | Procede de production de grandes plaques polycristalline constituees de substances optiques et de scintillation |
Country Status (4)
Country | Link |
---|---|
US (1) | US5723076A (ru) |
CN (1) | CN1041003C (ru) |
RU (1) | RU2083733C1 (ru) |
WO (1) | WO1995012212A2 (ru) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6103147A (en) * | 1999-05-27 | 2000-08-15 | Saint-Gobain Industrial Ceramics, Inc. | Method and apparatus for manufacturing curved gamma camera detector crystals |
WO2005052637A1 (en) * | 2003-11-25 | 2005-06-09 | Philips Intellectual Property & Standards Gmbh | Scintillation layer for a pet-detector |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4217318A (en) * | 1975-02-28 | 1980-08-12 | Honeywell Inc. | Formation of halide optical elements by hydrostatic press forging |
US4410468A (en) * | 1981-07-06 | 1983-10-18 | The Harshaw Chemical Company | Hot press-forging of an optical body with dynamic constraint by crystal powder |
US5254293A (en) * | 1988-03-14 | 1993-10-19 | L'etat Francais, Represente Par Le Ministere Des Postes, Des Telecommunications Et De L'espace (Centre National D'etudes Des Telecommunications) | Method for obtaining an organic polycrystalline material |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1102712A (en) * | 1963-11-16 | 1968-02-07 | Barr & Stroud Ltd | Improvements in or relating to a mould assembly for use in the manufacture of optical products |
US4044082A (en) * | 1971-09-13 | 1977-08-23 | The Harshaw Chemical Company | Multiple extrusion of polycrystalline extrudates |
US3933970A (en) * | 1972-11-20 | 1976-01-20 | The Harshaw Chemical Company | Shaped press-forged normally frangible inorganic crystals |
US4171400A (en) * | 1976-01-15 | 1979-10-16 | The Harshaw Chemical Company | Shaped press-forged normally frangible inorganic crystals |
US4347210A (en) * | 1980-05-09 | 1982-08-31 | Raytheon Company | Method of forging spinel domes |
US4522865A (en) * | 1981-07-06 | 1985-06-11 | Harshaw/Filtrol Partnership | Hot press-forging of an optical body with dynamic constraint by crystal powder |
JP3147481B2 (ja) * | 1992-04-21 | 2001-03-19 | 松下電器産業株式会社 | ガラス製回折格子の成形用金型及びその製造方法及びガラス製回折格子の製造方法 |
-
1994
- 1994-09-22 RU RU9494035332A patent/RU2083733C1/ru active
- 1994-10-18 CN CN94194483A patent/CN1041003C/zh not_active Expired - Fee Related
- 1994-10-18 WO PCT/UA1994/000027 patent/WO1995012212A2/ru active Application Filing
- 1994-10-18 US US08/624,517 patent/US5723076A/en not_active Expired - Fee Related
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4217318A (en) * | 1975-02-28 | 1980-08-12 | Honeywell Inc. | Formation of halide optical elements by hydrostatic press forging |
US4410468A (en) * | 1981-07-06 | 1983-10-18 | The Harshaw Chemical Company | Hot press-forging of an optical body with dynamic constraint by crystal powder |
US5254293A (en) * | 1988-03-14 | 1993-10-19 | L'etat Francais, Represente Par Le Ministere Des Postes, Des Telecommunications Et De L'espace (Centre National D'etudes Des Telecommunications) | Method for obtaining an organic polycrystalline material |
Also Published As
Publication number | Publication date |
---|---|
CN1041003C (zh) | 1998-12-02 |
RU94035332A (ru) | 1996-07-27 |
US5723076A (en) | 1998-03-03 |
WO1995012212A3 (fr) | 1995-07-06 |
RU2083733C1 (ru) | 1997-07-10 |
CN1137298A (zh) | 1996-12-04 |
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