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TSMC has GL and LL variants for their 16nm FinFET plus process. (For example, see here.)

What do GL and LL stand for? Is there publicly available information about the differences between these two processes?

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  • \$\begingroup\$ Some FINFETS, from Intel, have "U" shaped gates that cover 3 sides of the "channel" structure, and other are just on one side of the "channel". \$\endgroup\$ – analogsystemsrf Nov 18 '18 at 4:19

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