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bulk buy China peelable solder mask pcb gold plated Suppliers for wholesale

bulk buy China peelable solder mask pcb gold plated Suppliers for wholesale
  • bulk buy China peelable solder mask pcb gold plated Suppliers for wholesale

bulk buy China peelable solder mask pcb gold plated Suppliers for wholesale

peelable solder mask pcb outshine other similar products due to its peelable solder mask pcb design. Its correlated color temperature(CCT) can be customized
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HASL, the full name is Hot Air Solder Leveling, it’s one of the traditional surface finish on printed circuit boards with long successful history.

To make the HASL finish, the circuit boards will be submersed in molten solder(Tin/Lead). This solder will cover all the exposed copper surfaces. Upon retraction from the solder, high pressure hot air is blown over the surface through air knives, this levels the solder deposit and removes the excess solder from the surface of printed circuit boards.

HASL (Tin/Lead) surface finish is not RoHS Compliant, so it can be only available where RoHS exemption is permitted. The typical thickness of HASL is 1-40um, and the shelf life can reach to 12 months.



The advantages of HASL surface finish

● Excellent solderability / wettability
● Good reflow properties
● Low cost in manufacturing
● Large processing window is allowed
● Multiple thermal excursions
● Can be widely used



The disadvantages of HASL surface finish

● Uneven surface
● Not suitable for PCBs with fine pitch
● Thermal shock
● Not RoHS Compliant
● Solder bridge
● Plugged or Reduced plated through holes



A-TECH have HASL surface finish in house, it’s mainly used to build single sided or double sided PCBs with high solderability requirements but low manufacturing cost and without RoHS Compliant requirement.




Always applying the best design idea into our peelable solder mask pcb is one of the reasons why they are so popular. The product is quick in turning on and off
A durable material with a long service life is required for carbon ink pcb. Constructed with top Philips 5050 or 3030 chips, it features high luminous efficiency
carbon ink pcb is shaped in different ways. This product has good color consistency and accurate color rendering
peelable solder mask pcb is one of the most prominent style of carbon ink pcb from A-TECH CIRCUITS Co., Ltd.. Constructed with top Philips 5050 or 3030 chips, it features high luminous efficiency
A-TECH CIRCUITS Co., Ltd. is not only a pioneer in technology, but also forgoer in developing new peelable solder mask pcb. It has a wide light beam angle, which offers enough brightness for certain areas
The product features a long service life. It shows a prolonged service life when it is exposed to EMC, changeable temperatures, moisture, dust, and mechanical shock environments. The one-piece cold forging ensures its precise shape
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