International
Electrotechnical
Commission
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Area
Radiology and radiological physics
/ Radiological apparatus : X-ray sources and assemblies
IEV ref
881-05-44
en
effective focal spot
the central projection, under specific measuring conditions, of the focal spot on a plane perpendicular to the beam axis
fr
foyer (optique)
, m
aire de la projection orthogonale du foyer électronique sur un plan perpendiculaire au rayon axial
ar
بقعة بؤرية فعّالة
es
foco efectivo
it
macchia focale effettiva
ko
실효초점
ja
実効焦点
pl
ognisko optyczne
pt
ponto focal efectivo
sv
effektivt fokus
zh
有效焦点
Publication date:
1983-01
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