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GB/T 25755-2010 English PDF

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US$299.00 · In stock
Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email.
GB/T 25755-2010: Vacuum technology -- Sputter-ion pumps -- Measurement of performance characteristics
Status: Valid

Standard ID	USD	BUY PDF	Lead-Days	Standard Title (Description)	Status
GB/T 25755-2010	299	Add to Cart	3 days	Vacuum technology -- Sputter-ion pumps -- Measurement of performance characteristics	Valid

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Basic data

Standard ID: GB/T 25755-2010 (GB/T25755-2010)
Description (Translated English): Vacuum technology -- Sputter-ion pumps -- Measurement of performance characteristics
Sector / Industry: National Standard (Recommended)
Classification of Chinese Standard: J78
Classification of International Standard: 23.160
Word Count Estimation: 13,151
Date of Issue: 2010-12-23
Date of Implementation: 2011-10-01
Quoted Standard: GB/T 3163
Regulation (derived from): National Standard Approval Announcement 2010 No.10 (Total No.165)
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
Summary: This standard specifies the methods of measurement sputter ion pump (hereinafter referred to as the ion pump) performance parameters. This standard applies to the nominal volume flow rate of greater than 10 L/s ion pump.

GB/T 25755-2010: Vacuum technology -- Sputter-ion pumps -- Measurement of performance characteristics

---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.
Vacuum technology. Sputter-ion pumps. Measurement of performance characteristics ICS 23.160 J78 National Standards of People's Republic of China Measuring vacuum technology sputter ion pump performance parameters characteristics Issued on. 2010-12-23 2011-10-01 implementation Administration of Quality Supervision, Inspection and Quarantine of People's Republic of China Standardization Administration of China released

Foreword

The standard proposed by China Machinery Industry Federation. The vacuum technology standard by the National Standardization Technical Committee (SAC/TC18) centralized. This standard was drafted. Beijing KYKY Technology Development Co., Ltd., Shenyang Institute of Vacuum Technology. The main drafters of this standard. Zou Meng, Zhang Qin Germany, Zhu Guo Jing, Ma Dian Li, Li shadow. Measuring vacuum technology sputter ion pump performance parameters

1 Scope

This standard specifies the method for measuring sputter ion pump (hereinafter referred to as the ion pump) performance parameters. This standard applies to nominal volumetric flow rate of greater than 10L/s ion pump. The standard measurement of the volume flow rate of the pressure range from 1.5 × 10-3Pa to 1 × 10-7Pa. Note. This standard ensures that the ion pump performance parameters measured under the same conditions in the same manner. Thus do by the manufacturer or laboratories Measurements made with the manufacturers in a given sample data is comparable.

2 Normative references

The following documents contain provisions which, through reference in this standard and become the standard terms. For dated references, subsequent Amendments (not including errata content) or revisions do not apply to this standard, however, encourage the parties to the agreement are based on research Whether the latest versions of these documents. For undated reference documents, the latest versions apply to this standard. GB/T 3163 vacuum technical terms (GB/T 3163-2007, ISO 3529. 1981, MOD).

3 Terms and Definitions

GB/T 3163 and established the following terms and definitions apply to this standard. 3.1 Extreme pressure ultimatepressure Test cover gradually approaching pressure. Note 1. It is the lowest pressure of the pump can be obtained. Note 2. It is recommended not to the manufacturer's instructions given limit pressure value. This standard does not give ultimate pressure measurement procedures. However, if the manufacturer lists the limit Pressure, it should be noted that the completion of the measurement conditions. 3.2 Minimum working pressure minimumoperationalpressure p0 Closing the intake valve at the pump, after the end of the baking process 48h internal tests cover approaching the minimum pressure. Volumetric flow rate volumeflowrate qV Under ideal conditions, the volume of gas flow per unit time from the test ion pump inlet cover. Note 1. For the reasons actual measured ion pump for a given volume of gas flow rate is generally agreed to be equal to the flow of the gas is given a point of equilibrium pressure Manufacturers, using volumetric flow rate units of cubic meters per second (m3/s) or liters per second (L/s). Note 2. Sometimes the term "pumping speed" and the symbol "s" instead of the volumetric flow rate. 3.3 Nominal pumping speed nominalpumpingspeed Sn The maximum value of the ion pump saturation measured volumetric flow rate is referred to as the nominal pumping speed. Note 1. This test should be given in the nominal pumping speed measured pressure p. Note 2. If the nominal pumping speed of an ion pump as a symbol, it is generally not exceed 10% of the actual measured values. ......

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Tips & Frequently Asked Questions:

Question 1: How long will the true-PDF of GB/T 25755-2010_English be delivered?

Answer: Upon your order, we will start to translate GB/T 25755-2010_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 25755-2010_English with my colleagues?

Answer: Yes. The purchased PDF of GB/T 25755-2010_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.