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HASL Tin Lead Hot Air Solder Leveling PCB

HASL Tin Lead Hot Air Solder Leveling PCB
  • HASL Tin Lead Hot Air Solder Leveling PCB

HASL Tin Lead Hot Air Solder Leveling PCB

A-TECH osp pcb finish is carefully designed. It is carried out by our designers who take bag shapes, styles and construction into considerations.
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PCB Assembly, manufactured based on high-quality materials and advanced technology, has reasonable structure, excellent performance, stable quality, and long-lasting durability. It is a reliable product which is widely recognized in the market.Compared with other products in the same category, PCB Assembly has outstanding advantages which are mainly reflected in the following points.
Company Advantages
1. A-TECH osp pcb finish is carefully designed. It is carried out by our designers who take bag shapes, styles and construction into considerations.
2. pcb surface finish have been widely used in osp pcb finish for their hard gold pcb features.
3. A-TECH CIRCUITS Co., Ltd. owns competitive production with a strong brand appeal.
4. In order to meet the higher quality requirements of customers, A-TECH has carried out refined quality assurance procedure.


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.




Company Features
1. By giving quality pcb surface finish at a competitive price,'' A-TECH CIRCUITS Co., Ltd. has been highly recognized in the worldwide industry.
2. The assurance of technical force also guarantees the quality of immersion gold pcb .
3. A-TECH CIRCUITS Co., Ltd. will provide one-stop solution for our immersion silver pcb to help customers. Check now! Upholding the tenet of being the influential enig pcb supplier, A-TECH has been getting its passion everyday to serve customers. Check now! A-TECH CIRCUITS Co., Ltd. commits to build win-win relationship with our customer. Check now!
A-TECH hard gold pcb is manufactured using innovative tools and equipment as per the latest market trends & styles. The product has the merit of full traceability
A-TECH enig pcb is designed with utmost accuracy. The product works very stably, which helps meet users' production schedules
The design of A-TECH osp pcb finish is completed by our famous designers with innovation in minds. The product has an alert function for fault detection
Thanks to our cutting-edge technology, A-TECH pcb surface finish is produced in high efficiency. The product is extremely resistant to corrosion
A-TECH immersion gold pcb is completed with fine finishing in accordance with the quality standards of the industry. The product works very smoothly and causes less noise
The product has the advantage of repeatability. Its moving components can withstand thermal variation during repetitive tasks and have tight tolerances. It is resistant to breakage with its sturdy frame
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