highly-rated immersion tin pcb hard bulk production at discount

Company Advantages
1. The popularity of immersion tin pcb also contributes to its unique design in its enig pcb finish . It has low water absorptivity in the damp environment
2. A-TECH CIRCUITS Co., Ltd. offers tailor-made services at competitive prices. It is 100% produced in accordance with IPC-6012 & IPC-A-600F standards
3. It has high cost-efficiency, long service life and stable functionality in contrast with low price. With a compact design, it is space-saving
4. The product is quality-assured as our production team is highly qualified and has rich production experience. It can be printed with numbers, names, data codes, logos, or other specific information

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. Whenever there is any problems for our immersion tin pcb , you can feel free to ask our professional technician for help.
2. A-TECH strives to be a leading enig pcb manufacturer. Ask!

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A-TECH enig pcb is designed with high standard. It is designed to meet, tested or compliant with such international standards as IP Protection, UL, and CE.

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The development of A-TECH enig pcb adopts many disciplines. They are mechanical engineering, applied mechanics, dynamic machinery, numerical control technology, etc. It conforms to the standards of EN, ASTM, DIN, BS, JIS, etc

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During the design of A-TECH enig pcb, many factors have been considered. They are fabric quality, color mix, style, stitching workmanship, comfort, and convenience. It has a strong adjustment function, ensuring the calibration accuracy

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A-TECH enig pcb finish comes into shape after several processes after considering space elements. The processes are mainly drawing, including design sketch, three views, and exploded view, frame fabricating, surface painting, and assembling. It is manufactured to meet international safety requirements

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The design of A-TECH enig pcb finish shows professionalism. The mechanical properties, including materials hardness, structural toughness, efficiency, fatigue resistance have all optimized. It can function normally even under low temperature and high pressure

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immersion tin pcb is enig pcb as compared with other similar products. Through hardening treatment, it is sturdy enough

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