The thin PCB has several trade offs.
The amount of score width is proportional to the thickness. There may be
enough reduced to meet the 0.100 in width.
A reduction of 0.10 is a reduction in the score thickness by 0.035 in total
compared to a PCB with a 0.200 score.
This assumes a 90degree cutter on both sides.

The amount of web left is the thickness required to keep the PCB together.
Does your PCB fabricator have a machine that can score both sides at once
to meet your requirements?
At times, I have had PCB's arrive with scoring not evenly split between top
and bottom.

Does the design allow scoring and separation?
No ceramic caps parallel to the score with in the keep out zone?


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