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A-TECH air immersion silver pcb free delivery for wholesale

A-TECH air immersion silver pcb free delivery for wholesale

Thickness
1-40um
Shelf Life
12 Months
Solderability
Good
RoHS Compliant
Yes
Additional Cost
No
Supply Capacity
20000 ㎡/Month
Certifications
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Standard
IPC CLASS 2 / CLASS 3
Price
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Quantity Needed:
Pieces
E-mail:
Application Scope
A-TECH's Aluminum PCB is widely used in various industries and fields.A-TECH is dedicated to solving your problems and providing you with one-stop and comprehensive solutions.
Company Advantages
1. The POS interface of A-TECH hasl pcb finish is designed by our professional experts who facilitate the overall aesthetic of the interface.
2. immersion silver pcb is also considered hasl pcb finish , and most are enig pcb finish .
3. Users will feel comfortable all night long with the breathable fabric of this product, which really feels like sleeping on a cloud.


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. hasl pcb finish is a company providing enig pcb finish . For years, we have been one of the most prestigious manufacturers in China.
2. A-TECH CIRCUITS Co., Ltd. takes pride in its peelable solder mask pcb technology.
3. As a company bears social responsibility, we see it as our responsibility to handle resources and energy efficiently as well as to avoid environmental risks at all of our locations. We bear social responsibilities. We place the highest requirements on our actions both within our sphere of influence and in all of our supply chains.
A-TECH enig pcb finish is processed with fine soldering technique which directly determines the quality of the product. The soldering joints are carefully treated to ensure good electrical contact.
The integrated circuits of A-TECH peelable solder mask pcb guarantee its reliability and low power consumption capacity. The integrated circuits gather all electronic components on a silicon chip, making the product compact and minimized.
A-TECH immersion silver pcb is manufactured under a complete production system. From automatic assembly and mechanical assembly to manual assembly operated by skilled workers, professional technicians are always there to supervise and inspect.
To guarantee its longevity, A-TECH immersion silver pcb is finely developed with shock-proof and scratch-resistant capacity by our R&D team. The team has made much effort in improving its performance.
Unlike most similar alternatives which contain lead, mercury, or cadmium, the raw materials used in A-TECH hasl pcb finish are strictly selected and inspected to prevent any environmental pollution and health risk to people.
This product has electromagnetic compatibility. It has passed EMC testing for verifying its ability to withstanding EM energy which may occur within its operational environment.
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