Whoever needs to to do their job. And you put in security controls (e.g. part A and part B). Also compensate your people well and don’t publicize who they are.

Whoever needs to to do their job. And you put in security controls (e.g. part A and part B). Also compensate your people well and don’t publicize who they are. Semiconductor does this all the time…engineers on team A know only about their process critical gate materials step. Engineers on team B know about their lithography step. They are trained not to disclose and people respect that.