ENIG Surface Finish PCB with White Solder Mask

Well plugged printed circuited board with Taiyo white oil

Available surface finish:
ENIG (Immersion Gold/Electroless Nickel)
HASL (Hot Air Solder Leveling)
Lead-Free HASL
Immersion Tin
Hard Gold
OSP (Organic Solderability Preservatives)
Gold Finger
Carbon Ink


  • Material: FR4 PCB
  • Layer count: 2 layers 
  • Board thickness: 1.6mm
  • Finish copper thickness: 1.0 oz
  • Surface treatment: ENIG ( Immersion Gold )
  • Application: LED lighting

Our Capability:

 Nickel & Gold thickness for ENIG

 Nickel: ≥100u"(2.54um)

 Gold: 1-3u"(0.025-0.076um)

 Immersion silver thickness
 8-16u" (0.2-0.4um)
 Nickel and gold thickness for flash gold plating

 Nickel: ≥100u"(2.54um)

 Gold: ≤60u"(1.524um)
 Solder thickness on SMD Pad (HASL) (MIN.)


 100u" (2.54um)
 Solder thickness without SMD Pad (HASL) (MIN.)

PCB Manufacturing Process Flow:

More details,refer to https://en.gjzpcb.com/blog/pcb-manufacturing-process-flow_b6


A. Why choose High Precision Technology as PCB supplier?
-- High Precision Technology specialises on PCB manufacturing since 2011 with rich experiences. We mainly use KB & Shengyi Brand laminiate, Rongda & Taiyo brand oil and strictly compliance to IPC-6012 class 2. In our Hunan new factory, all procedures are made in-house. The quality and price can be controlled effectively. If you are still looking for a suitable supplier of PCB fabrication, contact us, we will supply professional and flexible support.

B. What’s kind of certificates do you have?
-- We have certificate ISO9001, ISO14001, UL, TS16949 etc.

C. What's lead time?
-- The lead time can be negotiable to meet your demands.

D. What is MOQ (Minimum Order Quantity)?
-- There is no MOQ for new PN, sample is welcome.

E. What informations need to be supplied for quote?

-- Order quantity, Gerber file, PCB specification ( base material, layer, PCB finished thickness, base copper thickness, surface treatment, solder mask color, and others if you have )

F. Is the files for quote or manufacturing safer?
-- Yes, it is safe as we are professional PCB manufacturer and Non-disclosure agreement can be signed if you need. All documents from customers are never shared with any third parties.

G. When can the quotation be supplied?
-- All quotation can be supplied within 24 hours.

More enquiry, welcome to send us email. We will always give you professional service with 24H/7D online support.

Welcome to send inquiry,we will reply within 12 hours.
Related Products
Immersion Gold ENIG PCB
Immersion Gold is that ENIG (Electroless Nickel Immersion Gold) is an expensive and normal surface finish. Our Capability for Gold thickness can be 1u''-5u'' for Immersion Gold. 
PCB Circuit Board Soldermask
Different colors for printed circuit board soldermask is available,such as Red,Green,Black,Blue,White,Black,Yellow, Purple etc. The main oil brand we used is Rongda,Taiyo.
Custom Multilayer PCB Board Manufacturing
Our capability of printed circuit board can be from single sided to 10 layers for different sectors,like consumer electronics,telecommunication and so on.
Multilayer PCB Board
Base laminate we mainly used is KB,Shengyi brand. Halogen free,High TG,CTI≥600 are available. All materials are compatible with certificates UL,Rohs,Reach.
Peelable Solder Mask
Min. peelable solder mask thickness is 0.13mm.We do it in-house.
Rigid Gold Finger PCB
Min. space between Gold finger and Tab is 3.4mm. More details refer to the following table.
BGA Multilayer PCB
BGA (Ball Grid Array) Pad min size is 9.8mil. For HASL,BGA Pad min size is 12mil.
6 Layer PCB manufacturer
6 layer PCB CTI ≥ 175 Board thickness : 1.1mm Surface treatment :ENIG


Welcome to send inquiry,we will reply within 12 hours.