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highly-rated enig pcb tin free delivery at discount

highly-rated enig pcb tin free delivery at discount
  • highly-rated enig pcb tin free delivery at discount

highly-rated enig pcb tin free delivery at discount

As a strong and influential company, A-TECH CIRCUITS Co., Ltd. has been widely recognized in the field of enig pcb .
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Application Scope
With wide application, PCB prototype can be used in the following aspects.According to different needs of customers, A-TECH is capable of providing reasonable, comprehensive and optimal solutions for customers.
Company Advantages
1. An appealing range of colors, finishes, and details let customers create the enig pcb they’ve dreamed of. .
2. Its quality and performance are ensured for better global competitiveness.
3. Human resource management is one of the premises for A-TECH CIRCUITS Co., Ltd. to promote the core competence in enig pcb industry.
4. A-TECH CIRCUITS Co., Ltd. has a solid foundation and ability of research and product development on enig pcb .


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. As a strong and influential company, A-TECH CIRCUITS Co., Ltd. has been widely recognized in the field of enig pcb .
2. Always aim high in quality of immersion silver pcb .
3. A-TECH CIRCUITS Co., Ltd. clings to the business philosophy of silver coating pcb . Inquire! Please contact us any time when you need our peelable mask pcb . Inquire! A-TECH CIRCUITS Co., Ltd. will be in relentless pursuit of higher quality for pcb mask. Inquire!
A-TECH pcb mask meets the workmanship requirements for machinery. Its circuits, including main circuit, control circuit, and local circuits are all designed accurately with high efficiency.
The quality process of A-TECH enig pcb begins with a full contract review of each order. Each component is reviewed for mechanical performance prior to production.
A-TECH pcb mask has passed a wide range of tests. They cover stress points testing, support points testing, yield points testing, wear resistance testing, toughness testing, friction force testing, etc.
The manufacture of A-TECH peelable mask pcb is professional. A multi-stage production process is employed. It includes design, production, assembly, and testing.
The materials of A-TECH silver coating pcb have been tested to meet the expected mechanical performance. Its strength, ductility, and toughness have been tested.
The main character of the pcb mask is that it has silver coating pcb.
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