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hot-sale pcb mask bulk production at discount

hot-sale pcb mask bulk production at discount
  • hot-sale pcb mask bulk production at discount

hot-sale pcb mask bulk production at discount

The hard work of well-trained and motivated staff and the use of state-of-the-art manufacturing machines make our production process extremely efficient.
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Company Advantages
1. The quality control of A-TECH silver coating pcb begins with the selection of its components or parts. All of the components must go through chemical spraying soak tests, including, salt spray, acid and alkali pickling, and corrosive liquid dipping test. It has increased power densities which guarantee its long service life
2. Having been tested strictly before shipping, the pcb mask produced by A-TECH is of high reputation for its high quality. Its robust structure allows it to be used in harsh environments
3. We adopt statistical quality control technology to ensure stable product quality. The product is certified under UL(E357001) and RoHS


Immersion Silver, it’s also known as Immersion Ag, it’s produced by the selective displacement of the copper atoms by silver atoms on the exposed copper surface. As an improvement on HASL with more flat surface, the cost of Immersion Ag is more expensive than HASL but less expensive than Immersion Gold.

Immersion Ag is a RoHS compliant finish, and it’s compatible with surface mount, BGA and through hole components. The typical thickness of Imm Ag is 0.1-0.3um and the shelf life is 6-12 months.



The advantages of Immersion Silver

● Absolutely flat
● Good for fine pitch and SMD
● Good for press fit connector’s capability
● Excellent solderability
● Multiple heat cycles during assembly process
● It’s reworkable



The disadvantages of Immersion Silver

● Very sensitive to handling / tarnishing / cosmetic concerns – gloves must be used
● Short operating window between assembly stages
● Not recommended to use peelable masks
● Special packaging required – if packaged opened and not all boards used, it must be resealed quickly
● Reduced supply chain options to support this surface finish



A-TECH offers the surface finish of immersion silver, since this finish is much more sensitive in manufacturing and it’s more susceptible to temperature and humidity than other finishes, we use special operation standards and higher level of packing standards to ensure excellent appearance of immersion Ag.




Company Features
1. The hard work of well-trained and motivated staff and the use of state-of-the-art manufacturing machines make our production process extremely efficient.
2. A-TECH CIRCUITS Co., Ltd. aims to be become a bench marking enterprise in the pcb mask industry. Ask!
The production of A-TECH pcb mask is handled by the most advanced production equipment. It has a wide range of working temperatures
Except the quality assurance, A-TECH CIRCUITS Co., Ltd. also attaches great importance to the design of pcb mask.
A-TECH pcb mask is manufactured by advanced technology and production equipment. This product only requires little maintenance costs
A-TECH silver coating pcb is produced under standard 5S operating environment. It is often used to protect certain items from moisture damage
With rational construction, pcb mask takes on in a better way. It is able to effectively fight against mildew
It meets durability requirements. It has passed relevant testings which verify its resistance to mechanical damage, resistance to dry and wet heat, resistance to cold liquids, oils and fats, etc. It is able to effectively fight against mildew
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