7.14 Vian (where n = 1 to 5) ---------------------------- .. csv-table:: Vian RULES :file: tables_clear/23_Vian_59.csv :widths: 200, 700, 100 :align: center .. note:: \* :ref:`Rules not coded` .. note:: 1. Applies to all < 0.34μm wide Metal lines, excluding Metal branches shorter than 0.28μm. 2. Vian is stacked if any portion of it intersects Via [n+1] or Via [n-1], or contact if n=1. 3. For better yield and reliability try to avoid single vias on any layer (put multiple). .. image:: images/via.png :width: 800 :align: center :alt: Vian