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GB/T 34213-2023 English PDF

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Q: Should I purchase the latest version GB/T 34213-2023?

Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 34213-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.

US$189.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34213-2023: High purity alumina for sapphire single crystal
Status: Valid

GB/T 34213: Historical versions

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34213-2023	189	Add to Cart	3 days	High purity alumina for sapphire single crystal	Valid
GB/T 34213-2017	239	Add to Cart	2 days	High purity alumina for sapphire substrate	Obsolete

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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Older Standard (superseded by this standard): GB/T 34213-2017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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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34213-2023_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34213-2023_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.

Question 2: Can I share the purchased PDF of GB/T 34213-2023_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34213-2023_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.

Question 3: Does the price include tax/VAT?

Answer: Yes. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countries

Question 4: Do you accept my currency other than USD?

Answer: Yes. If you need your currency to be printed on the invoice, please write an email to Sales@ChineseStandard.net. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.

Question 5: Should I purchase the latest version GB/T 34213-2023?

Answer: Yes. Unless special scenarios such as technical constraints or academic study, you should always prioritize to purchase the latest version GB/T 34213-2023 even if the enforcement date is in future. Complying with the latest version means that, by default, it also complies with all the earlier versions, technically.