Medical Electronics HDI Multilayer PCB Boards Manufacturer
♦ What Are Multilayer PCB Boards?
Multilayer PCBs are printed circuit boards consisting of three or more conductive copper layers, laminated together with insulating (dielectric) material. These layers are interconnected through plated through-holes (PTHs), vias, or buried/blind vias, enabling complex circuit designs in a compact form.
♦ Key Features of Multilayer PCBs:
✅ High Density – More layers allow for more components and routing in a smaller space.
✅ Improved Signal Integrity – Dedicated power & ground planes reduce noise and EMI.
✅ Better Thermal Management – Heat spreads more efficiently across layers.
✅ Reduced Weight & Size – Replaces multiple single-layer boards with one compact unit.
✅ Enhanced Durability – Multiple layers provide structural strength.
♦ Common Layer Configurations?
| Layers | Typical Applications |
| 2-Layer | Simple electronics (basic controllers, power supplies) |
| 4-Layer | Consumer electronics (routers, IoT devices) |
| 6-Layer to 8-Layer | Industrial controls, automotive systems |
| 10-Layer+ | High-speed digital (servers, telecom, aerospace) |
♦ Manufacturing Process:
- Inner Layer Imaging – Etching circuit patterns on inner copper layers.
- Lamination – Stacking layers with prepreg and pressing under heat.
- Drilling – Creating holes for vias and component leads.
- Plating – Electroless/electrolytic copper deposition for conductivity.
- Outer Layer Patterning – Applying photoresist and etching outer layers.
- Solder Mask & Surface Finish – Protecting copper with ENIG, HASL, or OSP.
♦ Technical Parameters
| Item | Spec |
| Layers | 1~64 |
| Board Thickness | 0.1mm-10 mm |
| Material | FR-4, CEM-1/CEM-3, PI, High Tg, Rogers, PTEF, Alu/Cu Base,Ceramic, etc |
| Max Panel Size | 800mm×1200mm |
| Min Hole Size | 0.075mm |
| Min Line Width/Space | Standard: 3mil(0.075mm) Advance: 2mil |
| Board Outline Tolerance | 士0.10mm |
| Insulation Layer Thickness | 0.075mm--5.00mm |
| Out Layer Copper Thickness | 18um--350um |
| Drilling Hole (Mechanical) | 17um--175um |
| Finish Hole (Mechanical) | 17um--175um |
| Diameter Tolerance (Mechanical) | 0.05mm |
| Registration (Mechanical) | 0.075mm |
| Aspect Ratio | 17:01 |
| Solder Mask Type | LPI |
| SMT Min. Solder Mask Width | 0.075mm |
| Min. Solder Mask Clearance | 0.05mm |
| Plug Hole Diameter | 0.25mm--0.60mm |
Product Tags:
|
|
Medical HDI Multilayer PCBA Circuit Board Fast Turn PCB Production 2.0mm Images
|
