audio-synth/dev/pcb/DESGIN_RULE_JLCPCB/JLC04121H-7628_1-2mm.csv

1	Board Layer Stack
2	Number;Name;Type;Manufacturer;Material;Process;Thickness (mm);Weight (oz);Dk;Df;Orientation;Copper Orientation;Description;Constructions;Resin (%);Frequency (GHz);GlassTransTemp (°C)
3	;Top Overlay;Overlay;;;;;;;;;;;;;;
4	;Top Solder;Solder Mask;;Solder Resist;;0.01;;3.8;;;;;;;;
5	1;Top Layer;Signal;Altium Designer;Copper;ED;0.035;1;;;Top;Above;Copper Foil;;;;
6	;Prepreg 1;Prepreg;Altium Designer;7628*1;;0.2104;;4.4;0.02;;;;7628;48;1;180
7	2;Layer 1;Signal;Altium Designer;Copper;ED;0.0152;0.5;;;Not allowed;Above;Copper Foil;;;;
8	;Core;Core;;Core;;0.6;;4.6;;;;;;;;
9	3;Layer 2;Signal;Altium Designer;Copper;ED;0.0152;0.5;;;Not allowed;Below;Copper Foil;;;;
10	;Prepreg 2;Prepreg;Altium Designer;7628*1;;0.2104;;4.4;0.02;;;;7628;48;1;180
11	4;Bottom Layer;Signal;Altium Designer;Copper;ED;0.035;1;;;Bottom;Below;Copper Foil;;;;
12	;Bottom Solder;Solder Mask;;Solder Resist;;0.01;;3.8;;;;;;;;
13	;Bottom Overlay;Overlay;;;;;;;;;;;;;;
14	No impedances
15	Via types
16	#;Name;Type;Layers;Stack
17	1;Thru 1:4;Thru;Top Layer-Bottom Layer;Board Layer Stack
18	No back drills