It's all about DFM (Design For Manufacturability), for it does no good to design a product the customer loves and is economical to produce, IF you can’t wind it.
In this video clip we talk about profile, more specifically, thickness profile. Why does this matter? How are coaters involved? The link below explains all.
Web201.58aYouTube clip link:
https://www.youtube.com/watch?v=dIFrnfChA_8