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EA:  EM_BAND

Status: STD 2005/06/07
Code: 334
Concept definition: The scientifically-accepted designation for a range of <<FREQUENCY>>s within the electromagnetic spectrum; electromagnetic band.
 
Attribute value type: ENUMERATION
Reference type:  
Reference:  
Supplemental references:  
Enumerants (presented in a natural order)
Status Attribute label Enumerant label ▾ Concept definition Code Ref type Reference Supplemental references
STD
2005/06/07		 EM_BAND UV Approximately 769 terahertz to 30 petahertz; ultraviolet. 37 IR [HECHT]  
STD
2005/06/07		 EM_BAND UV_A Approximately 790 terahertz to 950 terahertz; ultraviolet A. This band is also known as UVA. 40 PR [ISO 20473:2007, Table 1] [SOED, "UVA"]
STD
2005/06/07		 EM_BAND UV_B Approximately 950 terahertz to 1,07 petahertz; ultraviolet B. This band is also known as UVB. 41 PR [ISO 20473:2007, Table 1] [SOED, "UVB"]
STD
2005/06/07		 EM_BAND UV_C Approximately 1,07 terahertz to 3 petahertz; ultraviolet C. This band is also known as UVC. 42 PR [ISO 20473:2007, Table 1] [SOED, "UVC"]
STD
2005/06/07		 EM_BAND V 50 gigahertz to 75 gigahertz, a microwave subband within <<<EHF>>>; V. 22 [APDS, "V band"]
Group membership:

In addition to the status and date information for each entry, a colour coding scheme highlights the database holding to which an entry belongs. The following highlight colours are used:

  • white - the entry is in the standard
  • yellow - the entry has been added to the register
  • pink - the entry has been submitted for inclusion in the register, but it is not approved
  • cyan - a deprecated entry that was originally either in the standard or was added to the register, but has since been deprecated

The following icons are used to identify items that have figures, modifications and/or clarification notes:

  • F n - has Figures and, if more than one figure, n figures
  • M - has Modifications
  • C - has Clarifications

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