STH dvostranska tiskana vezja s polnimi vijami prevodne paste
MATERIAL
Type
CEM1 (standard), CEM3, FR4, FR2
Thickness
from 1,0mm - 1,55mm
Copper
35 Micron (standard)
Via hole diameter
0,40mm - 0,5mm (standard)
STH PAD SIZE min
1,2mm/1,4 mm (Standard)
Pitch STH-STH min
1,7 mm (min)
Ohm resistance
50mOhm/hole (standard)
Max El. Curent
500mA/hole
Optimum panel size
405,00mm x 533,00mm
CNC MACHINING
Drilling
min hole 0,40mm
Routing
min routing slot 0,80mm
V-cut
max material thickness 3,50mm
MASS PRODUCTION
Punching
Push out or Push back
min hole 0,9mm
0,9mm
Min Slot punching
0,9mm
Min Slot punching (routing)
0,80mm
ETCH RESIST
fine
mass production
Min Track
0,20mm
0,30mm
Track to Track
0,20mm
0,30mm
Track to Pad
0,35mm
0,40mm
Drill to Pad
0,30mm
0,40mm
Min Pad
0,20mm
0,30mm
Cu to Border (V-Cut)
0,30mm
0,30mm
Cu to Border (routing)
0,20mm
0,20mm
SOLDER MASK
UV green, white, black, ...
Min Pad to Mask 0,15mm
Legend print
UV black, white, …
min line 0,15mm
Electrical test
Bed of nails (grid 2.54)
Special ink
Peelable mask
Pad to Solder Mask (solder mask offset)
0,15mm
Pad to Pad (with solder mask between)
0,50mm
FINAL COATING
HAL Lead freee
Organic Solder Passivation
Standard process can be customized to customer requests or tehnological limitations