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GB/T 34213-2023: High purity alumina for sapphire single crystal
Status: Valid GB/T 34213: Evolution and historical versions
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| GB/T 34213-2023 | English | 189 |
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High purity alumina for sapphire single crystal
| Valid |
GB/T 34213-2023
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| GB/T 34213-2017 | English | 239 |
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High purity alumina for sapphire substrate
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GB/T 34213-2017
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PDF similar to GB/T 34213-2023
Basic data | Standard ID | GB/T 34213-2023 (GB/T34213-2023) | | Description (Translated English) | High purity alumina for sapphire single crystal | | Sector / Industry | National Standard (Recommended) | | Classification of Chinese Standard | H61 | | Classification of International Standard | 77.120.10 | | Word Count Estimation | 10,174 | | Date of Issue | 2023-08-06 | | Date of Implementation | 2024-03-01 | | Older Standard (superseded by this standard) | GB/T 34213-2017 | | Issuing agency(ies) | State Administration for Market Regulation, China National Standardization Administration | GB/T 34213-2023: High purity alumina for sapphire single crystal---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order.
ICS 77.120.10
CCSH61
National Standards of People's Republic of China
Replace GB/T 34213-2017
High purity alumina for sapphire single crystal
Published on 2023-08-06
2024-03-01 Implementation
State Administration for Market Regulation
Released by the National Standardization Administration Committee
Foreword
This document complies with the provisions of GB/T 1.1-2020 "Standardization Work Guidelines Part 1.Structure and Drafting Rules of Standardization Documents"
Drafting.
This document replaces GB/T 34213-2017 "High Purity Alumina for Sapphire Substrates". Compared with GB/T 34213-2017, except for the structure
In addition to adjustments and editorial changes, the main technical changes are as follows.
a) The scope of application of the standard has been changed (see Chapter 1, Chapter 1 of the.2017 edition);
b) Added Chapter 4 product brands, classifications and markings (see Chapter 4);
c) Delete the true density and the main production method of the product (see 4.1 of the.2017 version);
d) Added requirements for bulk density, bulk density and size (see 5.1);
e) Changed the requirements for chemical composition (see 5.2, 4.2 of the.2017 edition);
f) Changed the requirements for appearance (see 5.3, 4.3 of the.2017 version);
g) The test method has been changed (see Chapter 6, Chapter 5 of the.2017 edition);
h) The requirements for group batching have been changed (see 7.2, 6.2 of the.2017 version);
i) Changed the sampling requirements (see 7.3, 6.4 of the.2017 version);
j) The determination of inspection results has been changed (see 7.4, 6.5 of the.2017 version);
k) The contents of the logo and accompanying documents have been changed (see Chapter 8, Chapter 7 of the.2017 edition);
l) The requirements for product packaging have been changed (see 8.2, 7.2 of the.2017 version).
Please note that some content in this document may be subject to patents. The publisher of this document assumes no responsibility for identifying patents.
This document is jointly developed by the National Semiconductor Equipment and Materials Standardization Technical Committee (SAC/TC203) and the National Semiconductor Equipment and Materials Standards
It was jointly proposed and coordinated by the Materials Sub-Technical Committee of the Chemistry Technical Committee (SAC/TC203/SC2).
This document was drafted by. Shandong Hengjing New Materials Co., Ltd., Zhejiang Jingrui Electronic Materials Co., Ltd., Nonferrous Metal Technology and Economic Research
Institute Co., Ltd., Ningxia Jinghuan New Materials Technology Co., Ltd., Tiantong Yinxia New Materials Co., Ltd., Ningxia Xinjingsheng Electronic Materials Co., Ltd.
Company, Qingdao Huaxin Jingdian Technology Co., Ltd.
The main drafters of this document. Xu Yongbin, Tian Weida, He Dongjiang, Xu Shiming, Duan Binbin, Shi Gang, Kang Sen, Hu Fei, Zhang Fengming, Fan Yida,
Jiang Chao, Xiao Di.
This document was first published in.2017 and this is the first revision.
High purity alumina for sapphire single crystal
1 Scope
This document specifies the product grades, classifications and markings, technical requirements, test methods, inspection rules,
Logo, packaging, transportation, storage, accompanying documents and order form content.
This document applies to high-purity alumina for sapphire single crystal (hereinafter referred to as high-purity alumina). High-purity alumina for other uses may refer to this document.
File execution.
2 Normative reference documents
The contents of the following documents constitute essential provisions of this document through normative references in the text. Among them, the dated quotations
For undated referenced documents, only the version corresponding to that date applies to this document; for undated referenced documents, the latest version (including all amendments) applies to
this document.
GB/T 2997 Test method for volume density, apparent porosity and true porosity of dense shaped refractory products
GB/T 6609.22 Sampling methods for chemical analysis and physical property determination of alumina
GB/T 14264 Semiconductor material terminology
GB/T 16418 Granular system terminology
GB/T 23771 Determination of bulk density in inorganic chemical products
GB/T 33236 Chemical analysis of trace elements in polycrystalline silicon by glow discharge mass spectrometry
GB/T 37248 Determination of trace metal elements in high-purity alumina by inductively coupled plasma optical emission spectrometry
GB/T 38762.1-2020 Product Geometric Specification (GPS) Dimensional Tolerances Part 1.Linear Dimensions
3 Terms and definitions
The terms and definitions defined in GB/T 14264 and GB/T 16418 apply to this document.
4 Product brand, classification and marking
4.1 Brands and classifications
The product grades are divided into AP-6N, AP-5N and AP-4N5, and the types are divided into polycrystalline broken crystals, polycrystalline bulk crystals, round cakes and square cakes.
4.2 Marking
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