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highly-rated immersion tin pcb air bulk production at discount

highly-rated immersion tin pcb air bulk production at discount
  • highly-rated immersion tin pcb air bulk production at discount

highly-rated immersion tin pcb air bulk production at discount

With many years of experience in creating immersion tin pcb , A-TECH deeply implement the pursuit of quality of life to meet different needs.
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Enterprise Strength
  • A-TECH gives priority to customers and runs the business in good faith. We are devoted to providing quality services.
Application Scope
The PCB prototype produced by A-TECH is widely used in the industry.A-TECH has been engaged in the production of PCB prototype for many years and has accumulated rich industry experience. We have the ability to provide comprehensive and quality solutions according to actual situations and needs of different customers.
Company Advantages
1. The inner components of A-TECH hard gold pcb are finely processed and optimized to achieve a better luminous effect. For example, its heat sink is processed with the improved aluminum substrate to achieve better thermal dissiaption.
2. immersion tin pcb features hard gold pcb , and can meet the general requirements in tin plating pcb .
3. This product has covered a broad market segment.


HAL(Lead Free), the full name is Hot Air leveling with Lead Free. Compared with HASL, the main difference for HAL(Lead Free) is the element of material which do not contain Lead(Pb), so it’s RoHS Compliant and it’s much more popular and widely used in PCB manufacturing.

HAL(Lead Free) requires higher run temperatures for lead free solder and longer contact time, the production cost for HAL(Lead Free) is slightly higher than HASL(Tin/Lead).

The manufacturing process of HAL(Lead Free) is similar to HASL(Tin/Lead), the circuit boards will be submersed in molten solder(Lead Free). 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.

The typical thickness of HAL(Lead Free) is 1-40um and the shelf life is 12 months.



The advantages of HAL(Lead Free) surface finish

● Good solderability / wettability
● RoHS Compliant
● Good reflow properties
● Large processing window is allowed
● Multiple thermal excursions
● Can be widely used



The disadvantages of HAL(Lead Free) surface finish

● Uneven surface
● Not suitable for PCBs with fine pitch
● Thermal shock
● Solder bridge
● Plugged or Reduced plated through holes



A-TECH have HAL(Lead Free) surface finish in house, It’s basically the highest proportion of finish used for circuit boards without fine pitch or high density layout. We don’t have any additional cost for HAL(Lead Free) surface finish.




Company Features
1. With many years of experience in creating immersion tin pcb , A-TECH deeply implement the pursuit of quality of life to meet different needs.
2. A-TECH CIRCUITS Co., Ltd. adopts internationally advanced technology equipment to mass manufacture carbon pcb .
3. It’s A-TECH PCB 's principle in business 'to honor the contract and keep our promise'. Get an offer! A-TECH CIRCUITS Co., Ltd. aims to be the first company to break into emerging markets. Get an offer! A-TECH CIRCUITS Co., Ltd. believes that its pcb mask will surely offer you a leading position. Get an offer!
All of the designing details of A-TECH immersion tin pcb are specified in the spec sheet. They include measurements, tolerance, fabric types, sewing techniques, and so on.
The choice of the materials for A-TECH pcb mask is rigorous. It takes factors such as screen gain, color shift and sound loss into consideration.
The manufacturing process of A-TECH pcb mask covers the following stages: foot shape collection, graphic design, molding, trimming, and antibacterial finishing.
The raw materials of A-TECH carbon pcb are sourced and handled in a strict manner. They have to be cleansed, measured, moisture removed, and tested for harmful substances to make sure they are in line with standards for furniture pieces.
A-TECH immersion tin pcb is carefully designed. Special emphasis is placed on its human and functional factors as well as the aesthetics and use of materials.
This product has low chemical emissions. It is granted with a Greenguard certification which means it has been tested for more than 10,000 chemicals.
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