IPC-TM-650 EN 2022 试验方法1.pdf - 第109页
Height 9 mm x 200 µm (width); centered on the xy axis Center point of Measurement spot and Standard Grain direction of the standard is across the width Measurement standard minimum size 1000 µ m (height) Page 2 of 5

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Height 9 mm
x 200 µm (width); centered on the xy axis
Center point of Measurement spot and Standard
Grain direction of the standard is across the width
Measurement standard minimum size 1000 µm (height)
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S-Filter:
Low mag lens, larger beam spot, high
S-filter value
High mag lens, smaller beam spot, low
S-filter value
Vs.
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