GB/T 34178-2017 English PDF

US$279.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 34178-2017: Silica glass substrates for photomask
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 34178-2017	279	Add to Cart	3 days	Silica glass substrates for photomask	Valid

Similar standards

GB/T 42800   GB/T 34334   GB/T 32661   GB/T 45823   GB/T 34177   

Basic data

Standard ID: GB/T 34178-2017 (GB/T34178-2017)
Description (Translated English): Silica glass substrates for photomask
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: Q35
Classification of International Standard: 81.040.30
Word Count Estimation: 14,162
Date of Issue: 2017-09-07
Date of Implementation: 2018-08-01
Issuing agency(ies): General Administration of Quality Supervision, Inspection and Quarantine of the People's Republic of China, Standardization Administration of the People's Republic of China

GB/T 34178-2017: Silica glass substrates for photomask

---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.
Silica glass substrates for photomask ICS 81.040.30 Q35 National Standards of People's Republic of China Photomask quartz glass substrate 2017-09-07 Posted 2018-08-01 implementation General Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China China National Standardization Administration released

Foreword

This standard was drafted in accordance with the rules given in GB/T 1.1-2009. This standard proposed by the China Building Materials Federation. This standard by the National Industrial Glass and Special Glass Standardization Technical Committee (SAC/TC447) centralized. This standard drafting unit. China Building Materials Inspection and Certification Group Co., Ltd., China Building Materials Quzhou Jin Gelan Quartz Co., Ltd. Changsha Shao Chromium Plate Co., Ltd., China Building Materials Research Institute, the National Safety Glass and Quartz Glass Quality Supervision and Inspection Center. The main drafters of this standard. Wu Jie, Wang Jingxia, Wang Youjun, Li Yi Zhou, Hua Ning, Liu Huanmin, Xiao Songhua, Nilan Ship, Zhang Hao Yun, Yang Xiaohui, Yang Xuedong, Kong Min, Zhang Ying. Photomask quartz glass substrate

1 Scope

This standard specifies the photomask quartz glass substrate (hereinafter referred to as the quartz glass substrate) terms and definitions, requirements, test methods, testing Rules and marking, packaging, transportation and storage. This standard applies to semiconductor integrated circuits, optical communications, micro-electromechanical systems (MEMS), optoelectronic devices and light-emitting diode (LED) light Engraving Process Photomask Quartz Glass Substrate.

2 Normative references

The following documents for the application of this document is essential. For dated references, only the dated version applies to this article Pieces. For undated references, the latest edition (including all amendments) applies to this document. Methods of chemical composition analysis of quartz glass GB/T 3284-2015 GB/T 5949 transparent quartz glass bubble, gas line test methods Surface roughness of gallium nitride single crystal substrate by atomic force microscopy JC/T 185 optical quartz glass Internal stress testing methods for JC/T 655 quartz glass products JC/T 2205 quartz glass terms

3 Terms and definitions

JC/T 2205 and defined by the following terms and definitions apply to this document. 3.1 Total thickness change totalthicknessvariation; TTV The difference between the maximum and minimum thickness of the quartz glass substrate. 3.2 Flatness flatness When the back surface of a quartz glass substrate is an ideal plane, for example, the back surface is placed on an ideal, flat surface and the quartz glass substrate is The deviation of the surface from the specified reference plane is indicated by the total value reading (TIR) of the measurement range.

4 requirements

4.1 Specifications Size and size deviation 4.1.1 Quartz glass substrate is square, the shape of the schematic diagram shown in Figure 1, conventional side length and side length deviation should comply with the provisions of Table 1. ......

Image     

Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 34178-2017_English be delivered?

Answer: Upon your order, we will start to translate GB/T 34178-2017_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 34178-2017_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 34178-2017_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.