RULE NO.,DESCRIPTION,LAYOUT RULE
Layer,Mn --- Metaln  (where n = 1 to 5),
Mn.1,Width,"0.23 (n = 1)

0.28 (2 <= n <= 5)"
Mn.2a,Space,"0.23 (n = 1)

0.28 (2 <= n <= 5)"
Mn.2b,Space to wide Metaln (length & width > 10μm),0.3
Mn.3,Minimum Metaln area,0.1444 um2
Mn.4,"Metaln coverage over the entire die shall be >30% 

(Refer to section 13.0 for Dummy Metal fill guidelines.

Customer needs to ensure enough dummy metal to satisfy Metaln coverage)",