Sep 5, 2020 #1 A Artist27 Newbie Joined Sep 5, 2020 Messages 5 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 69 While making an analog layout, We always use nwell ring with deep nwell? why is it so? Can I use just the deep nwell layer?
While making an analog layout, We always use nwell ring with deep nwell? why is it so? Can I use just the deep nwell layer?
Sep 6, 2020 #2 D dick_freebird Advanced Member level 7 Joined Mar 4, 2008 Messages 8,994 Helped 2,333 Reputation 4,683 Reaction score 2,522 Trophy points 1,393 Location USA Activity points 71,620 Deep NWell probably doesn't reach the surface and N+ maybe doesn't reach down far enough to contact it; ordinary (surface-adjacent) NWell bridges the gap.
Deep NWell probably doesn't reach the surface and N+ maybe doesn't reach down far enough to contact it; ordinary (surface-adjacent) NWell bridges the gap.
Sep 9, 2020 #3 L lazybear Junior Member level 1 Joined Feb 26, 2015 Messages 18 Helped 4 Reputation 8 Reaction score 7 Trophy points 1,283 Activity points 1,524 this cross section is how DNW commonly look, DNW need NW for body connection.
Oct 13, 2020 #4 R RodrigoSP Newbie level 4 Joined Jun 30, 2020 Messages 6 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 56 And the NW could be just in on point to bias the DNW, but it should be a ring in order to isolate the internal PW from the substrate
And the NW could be just in on point to bias the DNW, but it should be a ring in order to isolate the internal PW from the substrate