Guard rings
Some discussion on guard rings and noise coupling that may be helpful: http://link.springer.com/content/pdf/10.1007%2F0-387-25747-0_24.pdf
Published Apr. 26, 2013 9:10 AM
Some discussion on guard rings and noise coupling that may be helpful: http://link.springer.com/content/pdf/10.1007%2F0-387-25747-0_24.pdf