add assembly drawings

gerber/HV-Interfaceboard.README

@@ -0,0 +1,40 @@
+name: HV-Interfaceboard
+
+size: 106*70*1.6mm
+
+
+designrules:
+	
+	copper:
+	min. spacing:          0.2mm
+	min. trace width:      0.2mm
+	min. connection width: 0.1mm
+	via diameter:          0.8mm
+	Cu-to-hole spacing:    0.25mm
+	Cu-to-edge spacing:    0.5mm
+	
+	holes:
+	min. hole:             0.4mm
+	hole-to-hole spacing:  0.25mm
+	
+	mask:
+	solderingmask extension: 0.08mm
+
+
+layers: 4 layers
+material: FR4
+surface: HAL leadfree
+
+
+gerberfile description:
+	
+	HV-Interfaceboard-F_Cu.gbr       --> 1st layer; Signal and Return
+	HV-Interfaceboard-Power_Cu.gbr   --> 2nd layer; Power distribution
+	HV-Interfaceboard-Chassis_Cu.gbr --> 3rd layer; Chassis GND plane
+	HV-Interfaceboard-B_Cu.gbr       --> 4th layer; Signal
+	
+	HV-Interfaceboard-F_Mask.gbr     --> Front solderingmask
+	HV-Interfaceboard-B_Mask.gbr     --> Back solderingmask
+	
+	HV-Interfaceboard-PTH.drl        --> Plated Through-Holes
+	HV-Interfaceboard-Edge_Cuts.gbr  --> Edge Cuts