C9252DK-14 Datasheet, PDF (8/9 Pages) Hamamatsu Corporation – Flat panel sensor Large area with tiling construction, high-speed frame rate

Flat panel sensor C9252DK-14
Description of terms
[Defect cluster]
Formed with more than 3 × 3 pixels which have less sensitivity
than 1/8 of the average of the surrounding pixels.
This is defined as defect cluster.
This is not defined as defect cluster.
Normal pixel
Defective pixel
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[Defect line]
A defective line is a vertical or horizontal line containing 4 or more consecutive pixels that produce less than 1/8 of the
average output from the surrounding pixels.
Adjacent defective lines are not allowed in the vertical or horizontal directions.
[Low sensitivity line at tiling edge]
Number of column lines which has less sensitivity than 1/3 of surrounding.
[Uniformity of sensitivity]
16 × 16 segments are 16 × 16-divided active area excluded 1 mm from the whole edge and tiling edge. Xij is defined as
the average pixel output of each segment.
Uniformity of sensitivity is calculated as following equation.
Unifomity of sensitivity = ^σ
x
σ: standard deviation of 16 × 16 “Xij”
x : average value of 16 × 16 “Xij”
5
PIXELS 75 PIXELS 75 PIXELS
55
75 PIXELS 75 PIXELS PIXELS PIXELS 75 PIXELS 75 PIXELS
5
75 PIXELS 71 PIXELS PIXELS
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8 SEGMENTS
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8 SEGMENTS
1 mm
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PORT A
1 mm 1 mm
ACTIVE AREA
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PORT B
1 mm
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