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Black Oil OSP 4 Layer PCB Printed Circuit Board For Medical Equipment
Black Oil OSP 4 Layer PCB Printed Circuit Board For Medical Equipment
Specifications
Brand Name :
xingqiang
Model Number :
Varies by goods condition
Certification :
ROHS, CE
Place of Origin :
China
MOQ :
Sample,1 pc(5 square meters)
Price :
NA
Payment Terms :
,T/T,Western Union
Supply Ability :
3000
Delivery Time :
7-10 work days
Max. Panel Size :
528x600mm
Surface Finish :
HASL, ENIG, OSP, Immersion Silver
Solder Mask Color :
Green, Blue, Black, Red, Yellow, White
Min. Hole Size :
0.1mm
Silkscreen Color :
White, Black, Yellow
Testing :
100% E-test
Copper Thickness :
1-3 oz
Application :
Medical equipment
Min. Trace/Space :
0.1mm/0.1mm
Board Thickness :
0.2-5.0mm
Material :
FR-4
Lead Time :
5-10 days
Layer Count :
2-8 layers
Description

Black oil OSP 4-layer board PCB

Product Description​
Black oil OSP 4-layer board PCB is a 4-layer printed circuit board that combines black solder mask, OSP (Organic Solderability Preservative) surface treatment, and a multi-layer wiring structure. The substrate (typically FR-4) consists of four conductive layers, interconnected by plated through-holes to enable complex signal transmission. The board is coated with black ink as the solder mask, providing insulation, circuit protection, and excellent light-shielding properties. Exposed copper pads on all layers undergo OSP treatment, forming a thin organic protective film through chemical reactions to prevent copper oxidation while maintaining solderability. This PCB is suitable for medium-complexity circuits, adapting to the welding needs of precision components like SMT and fine-pitch parts in general operating environments.​
Core Characteristics​
  • 4-layer structure + black oil solder mask + OSP treatment: The 4-layer design offers ample wiring space for medium-complexity circuits; the black ink provides stable insulation, strong light-shielding, and a professional appearance; the ultra-thin (0.1-0.3μm) OSP film ensures oxidation resistance and reliable solderability on copper surfaces.​
  • Interconnected layers: Plated through-holes enable electrical continuity between the four layers, supporting complex signal routing and power distribution.​
  • Process compatibility: The integration of 4-layer lamination, black oil solder mask, and OSP treatment is stable, with good material compatibility, fitting into standard production workflows.​
Main Advantages​
  • Enhanced wiring capacity: The 4-layer structure allows separate power, ground, and signal layers, reducing crosstalk and improving signal integrity, suitable for medium-complexity circuits in communication devices and industrial control systems.​
  • Reliable solderability: The OSP film is easily removed during soldering, ensuring good solder wetting on copper surfaces, minimizing cold solder joints, and adapting to precision components like QFP and BGA.​
  • Superior light-shielding and protection: The black solder mask effectively blocks light interference in sensitive circuits and isolates the board from external environments, boosting corrosion and abrasion resistance.​
  • Cost-effectiveness: Compared to higher-layer boards, the 4-layer design balances performance and cost; combined with low-cost OSP and economical black ink, it offers controllable production expenses, suitable for cost-sensitive mid-complexity applications.​
  • Environmental friendliness: The OSP process uses non-toxic organic compounds, and the black ink is generally eco-friendly, complying with environmental regulations and reducing hazardous waste.​
  • Dimensional precision: The thin OSP layer and black ink do not significantly affect the board’s thickness or flatness, maintaining precision for high-density 4-layer circuit designs.​
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Black Oil OSP 4 Layer PCB Printed Circuit Board For Medical Equipment

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Product Detail
Brand Name :
xingqiang
Model Number :
Varies by goods condition
Certification :
ROHS, CE
Place of Origin :
China
MOQ :
Sample,1 pc(5 square meters)
Price :
NA
Contact Supplier
Black Oil OSP 4 Layer PCB Printed Circuit Board For Medical Equipment

Dongguan Xingqiang Circuit Board Technology Co., Ltd.

Verified Supplier
1 Years
guangdong, dongguan
Since 1995
Business Type :
Manufacturer, Trading Company
Main Products :
Multilayer PCB Board, Flexible PCB Board, Double Sided PCB
Total Annual :
84,094,800-84,094,800
Employee Number :
500~800
Certification Level :
Verified Supplier
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