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China heavily GB Standards Search


GB standards are the China national standards; Prefix code GB are Mandatory standards, GB/T are Recommended standards; All products or service must be compliance with GB standards; If you want to export products or services to huge Chinese market, need ensure they are meet the requirements of GB china national standards;  We provide Chinese GB standards and English version GB standards  Lookup, Translate, Download, Imported Commodity GB standards Testing and Compliance review services.
  •  China "heavily" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 24580-2009 Test method for measuring boron contamination in heavily doped n-type silicon substrates by secondary ion mass spectrometry
    重掺n型硅衬底中硼沾污的二次离子质谱检测方法
    China National Standards
    heavily

    English PDF
    GB/T 14847-2010 Test mothod for thickness of lightly doped silicon epitaxial layers on heavily doped silicon substrates by infrared reflectance
    重掺杂衬底上轻掺杂硅外延层厚度的红外反射测量方法
    China National Standards
    heavily

    English PDF

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