4 ms·
Haven't worked in the space in more than 15 years, but as I recall there were dozens of masks - maybe upwards of 50 - when I was doing ASIC. And I believe ther
by mattbillenstein 4y ago
Haven't worked in the space in more than 15 years, but as I recall there were dozens of masks - maybe upwards of 50 - when I was doing ASIC.
And I believe there were steps to flatten and I believe effectively sand the surface flat after some layers.