12.4 Guard Ring design rule check ================================= Guard ring is to be covered by guard ring marking (GUARD_RING_MK) as stated below to facilitate the related design rule checking. Following rules shall be checked for the real ring area recognized by GUARD_RING_MK .. csv-table:: :file: tables_clear/50_GUARD_RING_MK_134.csv :widths: 200, 700, 250 , 250 :align: center .. note:: 1. Vias in staggered row is not checked by DRC deck 2. Rows of contact is not checked by DRC deck. \* :ref:`Rules not coded`