A-tech circuits is not only a pcb manufacturer but also a one-stop solution provider for circuit board services, we also provide pcb assembly/pcba services, including smt, dip, bga, cob, x-ray and ict test, etc. Equipped with samsumg high-speed smt machine, panasonic auto & half-semi paste printer, kince lead-free reflow soldering machine, chang rong lead free wave soldering machine and a full set of lead-free equipments. With our pcb assembly services, our customer can get one-stop convenience and single point of support for both of pcb manufacturing and assembly, so that efficiently save customer's cost and time.
Vacuum package
General specification for hdi pcb
Layer count: 4-20layers
Type of stack up: 1+n+1, 2+n+2
Material available: fr4, high tg fr4, halogen free fr4
Board thickness: 0.4-3.2mm
Finished copper thickness: 1/3oz ¡§c 3oz
Min trace width/spacing: 3/3mil
Min through hole: 0.2mm
Min blind via: 0.1mm
Surface treatment: immersion gold, enig + osp
Vacuum package
Rogers 4350 pcb/ceramic PCB
Layer count: single-sided pcb
Board thickness: 0.8mm
Copper thickness: 1oz
Dielectric constant(dk): 3.48
Surface treatment: immersion gold
Vacuum package
General specification for flexible & rigid-flex printed circuit board
Layer count: 1-6l(flex) & 2-10l(rigid-flex)
Board thickness: 0.05-3.0mm
Base polyimide film thickness: 0.5 mil (12.5µ), 1 mil (25µ), 2 mils (50µ).
Copper thickness: 1/3oz (12µ), 1/2oz (18µ), 1oz (35µ), 2oz (70µ)
Stiffeners: polyimide, fr4, metal
Min trace width/spacing: 3/3mil(0.075/0.075mm)
Min drill size: 0.2mm
Surface treatment: immersion gold/tin, gold/tin plating, osp
Vacuum package
