Company Advantages
1. When designing A-TECH peelable solder mask pcb , a team of creative designers are employed. It is designed to be ergonomic and user-friendly and thus meets the needs of customers. It can be printed with numbers, names, data codes, logos, or other specific information
2. It is really amazing! It greatly relieves my stress. It is therapeutic, especially as I scream out my anxieties! - One of the visitors says. It can reduce the electrical signal loss and provides the highest efficiency
3. immersion tin pcb is characterized by peelable solder mask pcb as well as better capabilities of hard gold pcb . The product has the performance of great stability
4. Considering peelable solder mask pcb , the key factors of immersion tin pcb is hard gold pcb . It stands out for its impact endurance performance
5. In a flock of peelable solder mask pcb , immersion tin pcb has many merits of [拓展关键词 and so on. It totally conforms to the UL Flame Rating of 94V-0

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. A-TECH CIRCUITS Co., Ltd. provides a variety of immersion tin pcb options in all price ranges.
2. The A-TECH factory has a variety of advanced professional production equipment and testing equipment.
3. A-TECH CIRCUITS Co., Ltd. will continue to enhance the core competitiveness of enterprises. Inquire!