Specific Process Knowledge/Lithography/Aligners/Aligner: Maskless 02 processing: Difference between revisions
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==Back Side Alignment== | ==Back Side Alignment== | ||
'''Overlay accuracy (spec):''' | '''Overlay accuracy (spec):''' ±1 µm | ||
'''BSA windows:''' along the X and Y axes, 10 mm wide x 46 mm long, starting 14.5 mm from the center. | '''BSA windows:''' along the X and Y axes, 10 mm wide x 46 mm long, starting 14.5 mm from the center. | ||
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|- | |- | ||
|-style="background:WhiteSmoke; color:black" | |-style="background:WhiteSmoke; color:black" | ||
|rowspan="2" align="center"|Align- | |rowspan="2" align="center"|Align - flip 180° - align<br>3 point average | ||
|'''X''' | |'''X''' | ||
| -0.625 ±0.125 | | -0.625 ±0.125 | ||
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| -0.75 ±0.125 | | -0.75 ±0.125 | ||
<!-- | |||
|- | |- | ||
|-style="background:WhiteSmoke; color:black" | |-style="background:WhiteSmoke; color:black" | ||
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|'''Y''' | |'''Y''' | ||
| 0.0 ±0.0 | | 0.0 ±0.0 | ||
--> | |||
|} | |} | ||