GB/T 37418-2019Lutetium oxyorthosilicate, lutetium-yttrium oxyorthosilicate scintillation single crystals (English PDF)
硅酸镥、硅酸钇镥闪烁单晶
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Issued by
SAMR; SAC
Level / Type
National · Recommended
Issue date
May 10, 2019
Implementation date
December 1, 2019
Scope
GB/T 37418-2019 is the English-translated version of 硅酸镥、硅酸钇镥闪烁单晶.
GB/T 37418-2019 covers the scintillation single crystals that the page abbreviates as Ce.LSO and Ce.LYSO, named on the frontispiece as lutetium oxyorthosilicate and lutetium-yttrium oxyorthosilicate scintillation single crystals.
Clause 1 says the standard specifies their terms and definitions, technical requirements, test methods, inspection rules, delivery methods, packaging, transportation and accompanying documents, that it applies to Ce.LSO and Ce.LYSO scintillation single crystals, called crystals in the rest of the text, and that other scintillation crystals may use it as a reference.
Clause 2 cites GB/T 1804-2000, GB/T 2831-2009, GB/T 4960.6-2008, GB/T 7962.12-2010, GB 10252-2009, GB/T 11293-1989, GB/T 13181-2002, GB/T 13182-2007, GB/T 14264-2009, GB/T 30118-2013, GJB 179A-1996 and JC/T 2018-2010.
Clause 3 takes its terms from five of those documents and repeats some of them for ease of use, printing single crystal, a crystal without large grain boundaries or twin boundaries, primary ingot, an original rod-like single crystal that has not undergone any processing, and macroscopic quality, the internal quality characteristics of the crystal visible to the naked eye under the illumination of a laser of a certain power.
Clause 4 sets the technical requirements under performance and under appearance, dimensions and geometric tolerances.
Clause 5 gives the test conditions and then one test method per subclause for light output, energy resolution, decay time, transmittance, irradiation hardness, appearance, size, warpage, total thickness deviation, surface roughness, verticality, surface deviation and parallelism.
Clause 6 sets the inspection rules by inspection category, identification test, quality consistency test and delivery inspection, clause 7 covers the delivery method, packing, transportation and accompanying documents, and three normative appendices add the radiation hardness test method, the verticality measurement method and the parallelism measurement method.
The standard is under the jurisdiction of the National Instrument Functional Materials Standardization Technical Committee (SAC/TC419); it was issued on May 10, 2019 and has applied since December 1, 2019.
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Document preview — GB/T 37418-2019
National Standard of the People's Republic of China
- ICS
- 27.120
- Classification
- N 05
Issued by: State Administration for Market Regulation; Standardization Administration of the PRC
Contents
- Foreword
- 1 Scope
- 2 Normative references
- 3 Terms and Definitions
- 4 Technical requirements
- 4.1 Overview
- 4.2 Performance
- 4.3 Appearance, Dimensions and Geometric Tolerances
- 5 Test method
- 5.1 Test conditions
- 5.2 Light output
- 5.3 Energy resolution
- 5.4 decay time
- 5.5 Transmittance
- 5.6 Irradiation hardness
- 5.7 Appearance
- 5.8 size
- 5.9 Warpage 5 (Warp)
- 5.10 Total thickness deviation (TTV)
- 5.11 Surface roughness (Ra)
- 5.12 Verticality
- 5.13 Surface Deviation
- 5.14 Parallelism
- 6 Inspection rules
- 6.1 Inspection Category
- 6.2 Identification test
- 6.3 Quality consistency test
- 6.4 Delivery inspection
- 7 Delivery methods, packaging, transportation and accompanying documents
- 7.1 Delivery method
- 7.2 Packing
- 7.3 Transportation
- 7.4 accompanying documents
- Appendix A (Normative) Radiation Hardness Test Method
- Appendix B (Normative) Verticality Measurement Method
- Appendix C (normative appendix) Parallelism measurement method
Foreword
This standard was drafted in accordance with the rules given in GB/T 1.1-2009.
1 Scope
This standard specifies the terms and definitions, technical requirements, test methods, inspection rules, delivery methods, packaging, transportation and accompanying documents of erbium-doped yttrium silicate [Ce2xLu2(1-x)SiO5, referred to as Ce.LSO] and ytterbium-doped yttrium silicate [Ce2x(Lu1-yYy)2(1-x)SiO5, referred to as Ce.LYSO].
This standard applies to Ce. LSO, Ce. LYSO scintillation single crystal (hereinafter referred to as crystal), other scintillation crystals can be used for reference.
2 Normative references
The following documents are indispensable for the application of this document. For dated references, only dated versions apply to this document. For undated references, the latest edition (including all amendments) applies to this document.
GB/T 1804-2000 General tolerances and tolerances for linear and angular dimensions without tolerances
GB/T 2831-2009 Surface deviation of optical parts
GB/T 4960.6-2008 Nuclear engineering terminology - Part 6: Nuclear instrumentation
GB/T 7962.12-2010 Test methods for colourless optical glass - Part 12
GB 10252-2009 Radiation protection and safety specifications for gamma irradiation devices
GB/T 11293-1989 Solid laser material terminology
GB/T 13181-2002 Scintillator performance measurement method
GB/T 13182-2007 Sodium iodide (Tl) scintillator and sodium iodide (Tl) scintillation detector
GB/T 14264-2009 Semiconductor material terminology
GB/T 30118-2013 Specification and measurement method for single crystal wafers for surface acoustic wave (SAW) devices
GJB 179A-1996 Counting sampling test procedures and tables
JC/T 2018-2010 Antimony-doped cesium iodide crystal for high energy particle detection
3 Terms and definitions
The following terms and definitions defined in GB/T 4960.6-2008, GB/T 11293-1989, GB/T 13182-2007, GB/T 14264-2009 and JC/T 2018-2010 apply to this document. For ease of use, certain terms and definitions in GB/T 4960.6-2008, GB/T 11293-1989, GB/T 13182-2007, GB/T 14264-2009 and JC/T 2018-2010 are repeatedly listed below.
3.1 Single crystal
Crystals without large grain boundaries or twin boundaries. [GB/T 14264-2009, definition 3.222]
3.2 Primary ingot
An original rod-like single crystal that has not undergone any processing.
3.3 Macroscopic quality
The internal quality characteristics of the crystal visible to the naked eye under the illumination of a certain power laser.
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This preview omits tables, figures, formulas and parts of the technical clauses. The complete document — 15 pages — is available in the English PDF.
Referenced standards
Normative references
- GB/T 1804-2000General tolerances - Tolerances for linear and angular dimensions without individual tolerance indications
- GB/T 2831-2009Surface form deviation of optical elements
- GB/T 4960.6-2008Glossary of terms: nuclear science and technology - Nuclear instrumentation
- GB/T 7962.12-2010Test methods of colourless optical glass - Part 12: Spectral internal transmittance
- GB 10252-2009Regulations for radiation protection and safety of gamma irradiation facilities
- GB/T 11293-1989The terms and definitions of solid-state laser material
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Related Standards
GB 10252-2009 — Regulations for radiation protection and safety of gamma irradiation facilities
GB/T 11293-1989 — The terms and definitions of solid-state laser material
GB/T 13182-2007 — Thallium-actived sodium iodide scintillator and scintillation detectors of sodium iodide(thallium)
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