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highly-rated enig black pad cheapest factory price at discount

highly-rated enig black pad cheapest factory price at discount
  • highly-rated enig black pad cheapest factory price at discount

highly-rated enig black pad cheapest factory price at discount

The whole production of A-TECH enig black pad is carried out by skillful, experienced professionals. Its solar panel supports 360 degrees of rotation to adjust the direction
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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.




A-TECH enig black pad is precisely manufactured in accordance with industry set norms. It achieves the most efficient use of resources combining time and intelligent control schemes
A-TECH CIRCUITS Co., Ltd. adopts superior raw material which comes form enig black pad. The die-cast aluminum shell guards against dust and particles
enig black pad is featured with unique design, well-selected materials, novel appearance and advanced workmanship. Its battery can be made of lead-acid or LiFePO4 battery
A-TECH CIRCUITS Co., Ltd. controls quality of enig black pad from material of enig black pad. Its battery can be made of lead-acid or LiFePO4 battery
The design of A-TECH enig black pad sticks up with the current market trend. The product is especially perfect for emergency use such as blackout
enig black pad receive wide reception in virtue of its enig black pad. Equipped with the patent controller, it guarantees stable and reliable performance under rigorous condition
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