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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

HASL, the full name is Hot Air Solder Leveling, it’s one of the traditional surface finish on printed circuit boards with long...
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Enterprise Strength
  • A-TECH regards honesty as the foundation and treats customers sincerely when providing services. We solve their problems in time and provide one-stop and thoughtful services.
Company Advantages
1. For the manufacturing of A-TECH pcb gold plating , the specially prepared wood materials are selected. Some of them are imported from famous suppliers who meet the wellness standards in the sauna industry.
2. The product features remarkable loading strength. Its materials, mainly metals, have desired mechanical properties to endure heavy-duty use.
3. This product would benefit business owners a lot. It allows the production projects to be finished in a short time, which reduces the waste of time.


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. The A-TECH brand has always attracted many markets and customers.
2. A-TECH CIRCUITS Co., Ltd. does our utmost to ensure we are using the most advanced technology to make sure high quality of enig pcb .
3. A-TECH CIRCUITS Co., Ltd. has always tried our utmost to serve our customers well. Call! For the better development of A-TECH, necessary enterprise culture will be more necessary. Call! A-TECH CIRCUITS Co., Ltd. upholds the true needs to every customer and aims to produce perfect pcb surface finish . Call!
The workpiece of A-TECH pcb gold plating will be fabricated in a professional manner. Their dimensional stability and mechanical properties will be guaranteed with high quality after cold and heat treatment.
After the production is completed, relevant tests will be carried out on A-TECH pcb surface finish. The dyeing quality and process will be tested to meet the mandatory standard: basic technical specifications for textile safety.
A-TECH pcb surface finish meets the safety obligations. It is manufactured in compliance with the existing local and international electrical safety regulations and standards.
A-TECH enig pcb is in accordance with national and international standards, such as the GS mark for certified safety, certificates for harmful substances, DIN, EN, RAL GZ 430, NEN, NF, BS, or ANSI/BIFMA, etc.
A-TECH pcb gold plating has been designed by considering many critical factors. They include statics, dynamics, thermal performance, support points, yield points, etc.
Features like pcb gold plating say that enig pcb has a good competition capacity and a good development prospect.
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