| 12.0.3 Metal Slotting rules |
| ============================= |
| Use Metal1_Slot, Metal2_Slot, Metal3_slot, Metal4_Slot, Metal5_Slot and MetalTop_Slot (slot |
| mark layers) to identify respective metal layer slotting area. These layers will be used to create the slots |
| automatically (by logic operation) and there is no need to create physical holes (slots) in the routing metal |
| lines. Below rule shall be followed for metal slotting layout |
| |
| .. csv-table:: Metal Slotting rules |
| :file: tables_clear/12_Metalslotting.csv |
| :widths: 300, 800, 200 |
| :align: center |
| |
| 1. Top Metal is the last Metal of the product. Example, without metal shielding, for 4 layer metal product, Top |
| Metal is Metal4. With metal shielding, for 5 layer metal + METAL_SHIELD product, Top Metal is |
| METAL_SHIELD. |
| 2. Top Metal-1 means the one level lower than the last metal layer. Example, without metal shielding, for 6 |
| layer metal product, Top Metal-1 will be Metal5, while for 4 layer metal product, Top Metal-1 will be |
| Metal3. With metal shielding, for 5 layer metal + METAL_SHIELD product, Top Metal-1 is Metal5, while |
| for 6 layer metal + METAL_SHIELD product, Top Metal-1 is MetalTop. |
| |
| .. image:: images/mslot.png |
| :width: 800 |
| :align: center |
| :alt: metal_slotting |
| |
