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This European standard specifies a method for the measurement of effective focal spot
dimensions between 0,2 μm and 100 μm of X-ray tubes up to and including 225 kV tube voltage
by means of the line group fit method and evaluation of digital images. This specifically covers
the missing standardisation of focal spot measurement of spots < 5 μm.
The imaging quality and the resolution of X-ray images depend highly on the characteristics of
the effective focal spot, in particular the size and the two-dimensional intensity distribution as
seen from the detector plane.
This test method provides instructions for determining the effective size (dimensions) of nano
and micro focal spots of industrial X-ray tubes. This determination is based on the evaluation of
an X-ray image taken with line group gauges
Reģistrācijas numurs (WIID)
79161
Darbības sfēra
This European standard specifies a method for the measurement of effective focal spot
dimensions between 0,2 μm and 100 μm of X-ray tubes up to and including 225 kV tube voltage
by means of the line group fit method and evaluation of digital images. This specifically covers
the missing standardisation of focal spot measurement of spots < 5 μm.
The imaging quality and the resolution of X-ray images depend highly on the characteristics of
the effective focal spot, in particular the size and the two-dimensional intensity distribution as
seen from the detector plane.
This test method provides instructions for determining the effective size (dimensions) of nano
and micro focal spots of industrial X-ray tubes. This determination is based on the evaluation of
an X-ray image taken with line group gauges
