![[CIF logo]](https://www.iucr.org/__data/assets/image/0015/131037/CIF_white.png "[CIF home page]")
![[CIF logo]](https://www.iucr.org/__data/assets/image/0003/125499/CIF_v2.5.jpg)
Protein Data Bank exchange dictionary (pdbx) version 1.0521
_em_imaging.electron_source
Name:'_em_imaging.electron_source'
Definition:
The source of electrons. The electron gun.Examples:
| 'FIELD EMISSION GUN' |
| LAB6 |
| 'TUNGSTEN HAIRPIN' |
| 'SCHOTTKY FIELD EMISSION GUN' |
| OTHER |
Type: line
Mandatory item: no
Category: em_imaging
International Tables for Crystallography
Volume G: Definition and exchange of crystallographic data
Edited by S. R. Hall and B. McMahon
![[International Tables Vol. G]](https://www.iucr.org/__data/assets/image/0014/11156/g.gif) |
contents | |
| indexes | ||
| sample pages | ||
| purchase | ||
| CIF dictionaries |
An essential guide and reference to CIF for programmers, data managers handling crystal-structure information and practising crystallographers.
