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hot-sale pcb solder mask immersion for business at discount

hot-sale pcb solder mask immersion for business at discount
  • hot-sale pcb solder mask immersion for business at discount

hot-sale pcb solder mask immersion for business at discount

pcb solder mask is endowed with the enig pcb finish beauty. The product is not likely to peel off
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Hard gold plated, the full name is Electrolytic Nickel Electrolytic Gold. The most common application of hard gold plated is edge connectors(gold fingers), and it may also be plated over the entire circuit boards.

Hard Electrolytic gold consists of a layer of gold plated over a barrier coat of nickel. Hard gold is extremely durable, so it is most commonly applied to high-wear areas such as gold fingers and keypads.

Hard gold is not generally applied to solderable areas, because of its high cost and its relatively poor solderability. The maximum thickness that IPC considers to be solderable is 17.8U”, so if this type of gold must be used on surfaces to be soldered, the recommended nominal thickness should be about 5-10U”.



The advantages of hard gold plated

● Hard, Durable surface
● RoHS Compliant
● Long Shelf life
● Excellent for high-wear products



The disadvantages of hard gold plated

● Additional high cost
● Extra complicated manufacturing process
● Etching undercut can lead to slivering/flaking
● Finish does not fully encapsulate trace sidewalls, except in gold finger areas



A-TECH is capable of using hard gold plated on both of gold fingers and the entire PCB, the typical thickness of hard gold plated for gold fingers can be 0.1 – 3.0um, and the typical thickness of hard gold plated on entire board is 0.1 – 1.27um.




Our enig pcb finish are constantly updated to follow the trend. The product can be peeled under hot or cold conditions after the heat press
The production of pcb solder mask always take pcb solder mask into account. The product can withstand heat press temperature up to 185°C/365°F
The special composition of pcb solder mask makes it obtain good performances like enig pcb finish. The product has good washability and flexibility
With enig pcb finish structure, enig pcb finish is characterized by enig pcb finish. It is widely used to customize dark or light-colored T-shirts, canvas bags, sport & leisurewear, and uniforms
enig pcb finish is made of enig pcb finish and has the advantages of enig pcb finish. The product works well with EPSON, Canon, HP, and KONICA MINOLTA printers
The product has enough hardness. It can effectively resist scratching due to the friction or pressure from a sharp object. The product has high strength and resilience
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