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A-TECH  >  AI - Page Sitemap  >  Bulk buy custom immersion tin pcb finish immersion cheapest factory price for wholesale
Bulk buy custom immersion tin pcb finish immersion cheapest factory price for wholesale

Bulk buy custom immersion tin pcb finish immersion cheapest factory price for wholesale
  • Bulk buy custom immersion tin pcb finish immersion cheapest factory price for wholesale

Bulk buy custom immersion tin pcb finish immersion cheapest factory price for wholesale

The materials A-TECH immersion tin pcb finish uses are strictly tested before production.
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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 immersion tin pcb finish is manufactured under the supervision of our highly experienced professionals in complete compliance with set industry standards using the high-grade material.
The design of A-TECH enig pcb finish is attractive and captivating.
A-TECH enig pcb finish uses the high-grade basic materials in complete compliance with industry standards.
enig pcb finish has the most amazing features and specifications.
High technical assurance and first-class quality can be seen on enig pcb finish.
The company conducts standardized production in strict accordance with national standards. On the premise of strictly controlling product quality and meeting user needs, it saves production costs, improves economic benefits, and ensures that the immersion tin pcb finish produced are all high-quality and low-cost cost-effective products.
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