layer,z0_um,z1_um,thickness_um,role
L0,0,60,60,H-S contact film
L1,60,160,100,Shared load spreading and travel-stop allocation
L2,160,460,300,Matched A/R sensing elements; optional isolated trace wells
L3,460,540,80,Isolation septum
L4,540,780,240,"W0/WG-C coupling, stable reference, archive and identity"
L5,780,880,100,Material terminals
L6,880,1500,620,Recoil dermis
L7,1500,1600,100,Attachment