Product Guide
Double-Sided
![[Product Media]](/media/products/double_side_pic.jpg)
Features
Double-sided FPCs are composed of top and bottom patterning, and the two layers of patterning are connected with through holes. This kind of FPC can be designed to lay more circuits in limited area than Single-side FPCs.
Applications
Double-sided FPCs are composed of top and bottom patterning, and the two layers of patterning are connected with through holes. This kind of FPC can be designed to lay more circuits in limited area than Single-side FPCs.
Basic Structure
1. Standard Double-Sided Structure
2. Single + Single Double-Sided Structure
3. Air Gap Type of Double-Sided Structure
Standard Types
| Base | PI25μm (1 mil), 12.5μm (1/2 mil ) Copper Foil35μm (1 oz ), 17.5μm (1/2 oz) |
| PI | 25μm (1 mil), 12.5μm (1/2 mil ) |
| Surface Treatment | Electrolytic (lead free) solder plating, Electrolytic gold plating, Anti-corrosion treatment |