skywater-pdk/docs/rules/hv/table-2.csv

1	Node Type	Originates VHV?	Propagates VHV?	Requires tagging with vhvi:dg (flags if not tagged when required)
2	Deep N-Well	No	N/A	N/A
3	P-Well	No	N/A	N/A
4	P-Well Resistor	No	No [#f8]_	Yes
5	N-Well	No	N/A	N/A
6	LV Diffusion	No	Yes	Yes
7	Diffusion Resistor	No	No [#f8]_	Yes
8	HV Diffusion	No	Yes	Yes
9	VHV ESD Diffusion	No	No	Yes
10	VHVSourceDrain	Yes	No [#f9]_	Yes
11	Diodes	No	Yes	Yes
12	Poly	No	N/A	N/A
13	Poly Resistor	No	No [#f8]_	Yes
14	VHVPoly	Yes	Yes	Yes
15	GATE	No	N/A	N/A
16	de_pFET_gate	No	N/A	N/A
17	de_nFET_gate	No	N/A	N/A
18	Licon1	No	Yes	No
19	Li1	No	Yes	No
20	Mcon	No	Yes	No
21	Met1	No	Yes	No
22	Via	No	Yes	No
23	Met2	No	Yes	No
24	via2	No	Yes	No
25	Met3	No	Yes	No