die_cell (utilities): add a fill option

qnngroup / qnngds

MIT License

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Closed audrey01mit closed 6 months ago

audrey01mit commented 6 months ago

add a fill option for covering the die_cell border of pad_layer:

the whole die's border is gnd, pads are isolated
the center remains empty of the fill, for thermal and inspections reasons Useful for probing device in the probe station for eg