Multi Layer PCB
Multi Layer PCB
Multilayer PCB is made up of more than two layers using conductive copper foils and prepreg material, pressed and bonded together. Multilayer is most complex printed circuit board by design and by manufacturing. Nowadays, up to 40 layers of multilayer PCB is possible to manufacture using advanced machinery. CircuitWala has capabilities to make multilayer PCB up to 6 layers.
Multilayer PCBs are complex to manufacturer but high speed by functionally. Multilayer PCB are mainly used professional electronic equipment like computer, mobile, medical devices, aerospace and defense application devices.
Benefits of Multilayer PCBs (compared to single or double-sided PCBs)
Sr | Specifications | Standard | |
---|---|---|---|
1. | Minimum conductor width | 6 mils(0.15 mm) | |
2. | Minimum conductor Spacing/Air gap | 6 mils(0.15 mm) | |
3. | Minimum Plated hole size | 16 mils(0.4mm) | |
4. | Maximum Plated hole size | 240 mils(6mm) | |
5. | Maximum board size | 380 mm x 280 mm | |
6. | Maximum number of layers | 6 | |
7. | Minimum copper thickness | 1 Oz(35 microns) | |
8. | Maximum copper thickness | 3 Oz(105 microns) | |
9. | Dedicated Electrical Testing | BBT, Flying Probe | |
10. | PCB Cutting options | Routing, V-Groove, Punching |
Sr | Specifications | Standard | |
---|---|---|---|
1. | Single Sided | HAL, Lacquer | |
2. | Double Sided | HAL, Electroplated Gold & Nickel | |
3. | Solder Mask Finish | PISM, Liquid Solder Mask | |
4. | Solder Mask color | Green, White, Black, Blue ,Red | |
5. | Legend/Ident color | White, Black | |
6. | Special Requirement | Carbon Printing on Push Button , Selective Gold & Nickel plating on Connecting Tabs |
Sr | Specifications | Standard | |
---|---|---|---|
1. | Single Side | FR1,FR4, CEM1,CEM3, PP, Metal Clad | |
2. | Double Side | FR4 | |
2. | Board Thickness (in mm) | 0.4 , 0.8 ,1.0 , 1.2, 1.6 ,2.4 , 3.2 |