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PCB Manufacturing
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Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product

Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product

MOQ: 1
Price: Contact Us
Payment Terms: T/T
Supply Ability: 200,000+ m² PCB per Month
Detail Information
Layer:
16 Layers
Material:
Fr4
Thickness:
3.0 Mm
Construction:
4+N+4
Min. Line Width/Space:
0.1/0.1mm
Surface Treatment:
Immersion Gold
Type:
Customizable
Application:
Electronic Product
Standard:
UL&IPC Standard &ISO
Supply Ability:
200,000+ m² PCB per Month
Highlight:

Rohs hdi multilayer pcb

,

ENIG hdi multilayer pcb

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Multilayer enig rohs pcb

Product Description

 

16 Layer Immersion Gold HDI  PCB for Electronic Product

 

 

♦ What is Immersion Gold?

 

​​Immersion Gold​​ (also known as ​​ENIG – Electroless Nickel Immersion Gold​​) is a ​​surface finish​​ applied to ​​printed circuit boards (PCBs)​​ to protect exposed copper pads and ensure reliable solder connections. It consists of two layers:

    1. ​​Electroless Nickel (Ni)​​ – A thin (3–6µm) nickel-phosphorus layer deposited chemically (without electricity) to act as a barrier, preventing copper diffusion.
    2. ​​Immersion Gold (Au)​​ – A very thin (0.05–0.1µm) gold layer plated over the nickel to prevent oxidation and enhance solderability.

 

 

Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product 0 Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product 1 Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product 2

 

 

 

♦ ​​Key Characteristics of Immersion Gold (ENIG):

 

✔ ​​Flat Surface​​ – Ideal for fine-pitch components (e.g., BGAs, QFNs).
✔ ​​Excellent Solderability​​ – Ensures strong, reliable solder joints.
✔ ​​Long Shelf Life​​ – Resists oxidation better than bare copper or OSP.
✔ ​​Wire-Bondable​​ – Suitable for gold or aluminum wire bonding (used in IC packaging).
✔ ​​Lead-Free & RoHS Compliant​​ – Environmentally friendly compared to HASL (lead-based).

 

 

♦ Comparison with Other PCB Finishes?​

 

Finish Thickness Flatness Solderability Cost Best For
​ENIG​​ (Immersion Gold) Thin Au (0.05–0.1µm) Very Flat Excellent Moderate High-reliability, fine-pitch
​HASL​​ (Hot Air Solder Leveling) Thick Sn/Pb or Sn Uneven Good Low General-purpose PCBs
​OSP​​ (Organic Solderability Preservative) Organic coating Flat Good (but degrades over time) Low Short-life consumer electronics
​Electrolytic Hard Gold​ Thick Au (0.5–1.5µm) Flat Good (but requires nickel underlayer) High Connectors, wear-resistant parts

 

 

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

 

 

 

One-Stop PCBs Solution

 

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PCB Prototype Felx PCB  Rigid-Flex PCB Ceramic PCB
Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product 7 Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product 8 Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product 9 Immersion Gold ENIG Rohs HDI Multilayer PCB 16 Layer For Electronic Product 10
Heavy Copper PCB HDI PCB High Frequency PCB  High TG PCB

 

 
 
Advantages of DQS Team
  1. On-time Delivery:  
    • Owned PCBA factories 15,000 ㎡
    • 13 fully automatic SMT lines 
    • 4 DIP assembly lines

 

     2. Quality Guaranteed:

    • IATF, ISO, IPC, UL standards 
    • Online SPI, AOI, X-Ray Inspection 
    • The qualified rate of products reach 99.9%

 

     3. Premium Service:

    • 24H reply your inquiry
    • Perfect after-sales service system
    • From prototype to mass production