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BS IEC 63068-1:2019 pdf free download – Semiconductor deBS IEC 63068-1:2019 pdf free download – Semiconductor devices – Non-destructive recognition criteria of defects in silicon carbide homoepitaxial wafer for power devicesvices – Non-destructive recognition criteria of defects in silicon carbide homoepitaxial wafer for power devices

BS IEC 63068-1:2019 pdf free download - Semiconductor devices - Non-destructive recognition criteria of defects in silicon carbide homoepitaxial wafer for power devices 1 Scope This part of IEC 63068 gives a classification of defects in as-grown...

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BS EN IEC 63093-9:2020 pdf free download – Ferrite cores – Guidelines on dimensions and the limits of surface irregularities

BS EN IEC 63093-9:2020 pdf free download - Ferrite cores - Guidelines on dimensions and the limits of surface irregularities 1 Scope This part of IEC 63093 specifies the shapes and dimensions of ferrite cores for inductive...

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AS IEC 60601.1.6:2017 pdf free download – Medical electrical equipment

AS IEC 60601.1.6:2017 pdf free download - Medical electrical equipment The first edition of this collateral standard was published in 2004, and introduced a USABILITY ENGINEERING PROCESS tailored to ME EQUIPMENT . The second edition was published...

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ISO 24016:2020 pdf free download – Jewellery and precious metals – Grading polished diamonds一 Terminology, classification and test methods

ISO 24016:2020 pdf free download - Jewellery and precious metals - Grading polished diamonds一 Terminology, classification and test methods. The aim of a standard for grading unmounted polished diamonds is to set rules for determining with maximum...

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BS IEC 62047-33:2019 pdf free download – Semiconductor devices – Micro- electromechanical devices

BS IEC 62047-33:2019 pdf free download - Semiconductor devices - Micro- electromechanical devices 5.8.1 Test method Perform the test cycle for three times sequentially under room temperature, the upper limit of operating temperature, the lower limit of...

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ISO 23950:1998 pdf free download – Information and documentation- Information retrieval (Z39.50)一Application service definition and protocol specification

ISO 23950:1998 pdf free download - Information and documentation- Information retrieval (Z39.50)一Application service definition and protocol specification. Element set name-- An element specification in the form of a primitive name. Element specification- -An instance of an element...

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BS IEC 62873-2:2016 pdf free download – Residual current operated circuit-breakers for household and similar use

BS IEC 62873-2:2016 pdf free download - Residual current operated circuit-breakers for household and similar use 3.3.27 RCD type A RCD for which tripping is ensured for residual sinusoidal alternating currents and residual pulsating direct currents, whether...

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BS IEC 62047-41:2021 pdf free download – Semiconductor devices – Micro- electromechanical devices

BS IEC 62047-41:2021 pdf free download - Semiconductor devices – Micro- electromechanical devices 5.2.5.2 Method B): with the 2-port network analyser, the measurement procedures are as follows: a) The RF MEMS circulator/isolator should be suitably packaged and...

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ISO 24076:2021 pdf free download – Plastics – Polypropylene (PP)一 Determination of isotactic index by low-resolution nuclear magnetic resonance spectrometry

ISO 24076:2021 pdf free download - Plastics - Polypropylene (PP)一 Determination of isotactic index by low-resolution nuclear magnetic resonance spectrometry. The LR-NMR method in this document is a relative method established with Iso 9113 as the absolute...

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BS IEC 61892-5:2000 pdf free download – Mobile and fixed offshore units – Electrical installations

BS IEC 61892-5:2000 pdf free download - Mobile and fixed offshore units - Electrical installations 4.1 In every mobile unit in which electric power is used for the services necessary for the safety of the unit, the...

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