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highly-rated immersion tin pcb hard bulk production at discount

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

highly-rated immersion tin pcb hard bulk production at discount

Whenever there is any problems for our immersion tin pcb , you can feel free to ask our professional technician for help.
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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!
A-TECH immersion tin pcb is developed taking into considerations of various factors. They are foot anatomy and movement, physiological structure development, and the principle of motion. The product uses minimal energy, reduces noise and eliminates excess vibration
A-TECH enig pcb finish will be tested in terms of various aspects. It will go through both physical and mechanical tests, including symmetry check, color shading, colorfastness, odor testing, size fitting, and burn tests. Its compact footprint makes it suitable for use virtually anywhere
A-TECH [拓展关键词 goes through a series of assessments. They are the taste and style preferences of consumers, decorative function, colorfastness, aesthetics, and durability. With double-paned glass, it protects the collection from UV
A-TECH enig pcb is designed considering several important factors. They are odor & chemical damage, human ergonomics, potential safety hazards, stability, durability, functionality, and aesthetics. The product can easily be moved to spice up a kitchen, office or any other room
The design of A-TECH enig pcb finish is sophisticated. It is an outcome of a better understanding of science, ergonomics, comfort, production, and the business of marketing. The product features a quiet and vibration-free thermoelectric cooling system
This product is electrically safe. Tests such as dielectric withstand test, insulation resistance test, and leakage current test have verified its safety when connected to a voltage that is high enough to present a hazard to the operator. With the auto defrost function, it offers maximum convenience
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