F
Flash and Draw Apertures
To achieve constant exposure on a vector Photoplotter, apertures used for flashing pads are filtered differently than those used for drawing traces. Therefore, Flash and Draw apertures cannot be used interchangeably without risk of localized over-exposure and under-exposure.
Flash and Draw Apertures
No distinction need be made between Flash and Draw aperture types since the light source intensity is constant.
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Pix
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