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A-TECH solder immersion tin pcb bulk production for wholesale

A-TECH solder immersion tin pcb bulk production for wholesale

Shelf Life
12 Months
RoHS Compliant
Additional Cost
Supply Capacity
20000 ㎡/Month
UL, ISO9001, TS16949
Payment Terms
T/T, Paypal, WU etc.
Shipment Terms
EXW, FOB, DDU etc.
Test Way
100% E-Test
Get Latest Price
Get the latest price
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Product Details
A-TECH's Multilayer PCB is processed based on advanced technology. It has excellent performances in the following details.
Company Advantages
1. A-TECH immersion tin pcb undergoes a series of production methods such as sanding, painting, and ovendry. All these methods are strictly carried out by our professional workers.
2. Carefully designed by professionals, immersion tin pcb disperses the pressure of the forefoot and the heel, increases the force area of​the sole, and greatly reduces the fatigue of the foot during walking.
3. This product has premium quality and rich functionality.
4. Fast delivery methods enable A-TECH CIRCUITS Co., Ltd. to gain a reputation in the domestic and international markets.

HASL, the full name is Hot Air Solder Leveling, it’s one of the traditional surface finish on printed circuit boards with long successful history.

To make the HASL finish, the circuit boards will be submersed in molten solder(Tin/Lead). 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.

HASL (Tin/Lead) surface finish is not RoHS Compliant, so it can be only available where RoHS exemption is permitted. The typical thickness of HASL is 1-40um, and the shelf life can reach to 12 months.

The advantages of HASL surface finish

● Excellent solderability / wettability
● Good reflow properties
● Low cost in manufacturing
● Large processing window is allowed
● Multiple thermal excursions
● Can be widely used

The disadvantages of HASL surface finish

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

A-TECH have HASL surface finish in house, it’s mainly used to build single sided or double sided PCBs with high solderability requirements but low manufacturing cost and without RoHS Compliant requirement.

Company Features
1. A-TECH concentrates on developing into a global brand.
2. People are at the core of our company. They use their industry insights, a comprehensive portfolio of activities, and digital resources to create products that enable businesses to thrive.
3. A-TECH CIRCUITS Co., Ltd. always seeks long-term development by superior quality. Ask! If you come, A-TECH CIRCUITS Co., Ltd. will make our utmost to serve you well. Ask!
A-TECH immersion tin pcb is finely manufactured thanks to the applications of advanced technology and lean production system. It is good for punching and die cutting applications
Made of well-selected materials and manufactured based on the lean production method, A-TECH immersion tin pcb presents the finest workmanship in the industry. It can be used for the products that have either flat or curved surfaces
The progress production of A-TECH immersion tin pcb leads the industry. Its most distinguishing features are strong adhesion and holding power
The materials are the soul of A-TECH immersion silver pcb finish and well-selected from top grade suppliers. These materials perform well in the whole lifespan of the product. It has good electrical insulation and low thermal resistance
The whole production of A-TECH immersion silver pcb finish is based on the guidance of lean production. It is highly stretchable and has strong tensile strength
Adopt strict quality control system to provide strong guarantee for product quality. It is of weather resistance, allowing it to be used against long exposure to the environment
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