Double-sided boards offer a wide variety of possibilities for circuit board designers because they have more surface area and flexibility when routing traces. Using two sides instead of one also allows for a smaller board size overall, which can be important when building small-scale, integrated devices.
A dual sided PCB allows you to have a ground plane or ground grid which is better for reducing electrical noise.
1）Double PCBs With Red Solder mask; Hot Air Solder Leveling; 4/4mil trace width/spacing
MATERIAL TYPE: FR-4 TG130
BOARD THICKNESS: 0.6+/-0.1MM
FINISHED COPPER: 1OZ
MIN HOLE SIZE: 0.3MM
HOLE WAL COPPER: ≥20um
TRACE WIDTH/SPACE: MIN 4/4MIL
SOLDERMASK TYPE: Red
SURFACE FINISH: HASL lead free
Double Sided PCBs (also known as Double-Sided Plated Thru or DSPT) circuits are the gateway to higher technology applications. They allow for closer (and perhaps more) routing traces by alternating between a top and bottom layer using vias. Today, double sided printed circuit board technology is perhaps the most popular type of PCB in the industry.
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