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4.3. Mask Layer Numbering
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The following table matches the mask or reticle layer number to the drawn/generated layers.
.. csv-table:: Mask layers
:file: tables_clear/07_Mask_Layer14.csv
:widths: 100, 200, 300, 300, 200, 100, 100
.. note::
1. L67, L63, L9Z, L92 , L9A and L99 are optional layers.
2. PIB data polarity is chrome for mask used in FAB2. PIB data polarity is clear for mask used in FAB6.
3. L9A for FAB3E MCU OTP metal fuse process only.