Provisional additions of under-bump material and redistribution
layer vias (testing whether these layers can be derived or need
to be explicitly drawn).
diff --git a/sky130/magic/sky130.tech b/sky130/magic/sky130.tech
index 7d87b56..e003d7b 100644
--- a/sky130/magic/sky130.tech
+++ b/sky130/magic/sky130.tech
@@ -1218,6 +1218,20 @@
labels *metrdl port
calma 74 5
+ layer PI1 *metrdl
+ and padl,glass
+ # Test only---needs GDS layer number
+
+ layer UBM *metrdl
+ shrink 50000
+ grow 40000
+ # Test only---needs GDS layer number
+
+ layer PI2 *metrdl
+ shrink 50000
+ grow 25000
+ # Test only---needs GDS layer number
+
#endif REDISTRIBUTION
#----------------------------------------------------------------
