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A-TECH hot-sale enig pcb bulk production at discount

A-TECH hot-sale enig pcb bulk production at discount

Thickness
≥1.0um
Shelf Life
6 Months
Solderability
Good
RoHS Compliant
Yes
Additional Cost
Yes
Supply Capacity
5000 ㎡/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
Get Latest Price
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Quantity Needed:
Pieces
E-mail:
Product Comparison
PCB prototype is more competitive than other products in the same category, as shown in the following aspects.
Enterprise Strength
  • A-TECH has established a sound service system to provide quality services for customers attentively.
Company Advantages
1. A-TECH tin plating pcb meets the regulatory requirements of the textile market. The textile fibers, dyestuff, and different kinds of agents used in it are guaranteed to meet the standards.
2. High-end talents and advanced technology have enabled the product quality to reach the industry's leading level.
3. The product caters to the requirements of customers in the industry and is bound to have a wide range of application prospects.


Immersion Tin, or Chemical Tin, it’s a RoHS Compliant metallic finish deposited by a chemical displacement reaction that is applied directly over the basis metal of the circuit board, the immersion Tin protects the underlying copper from oxidation over it’s intended shelf life, copper and tin however have a strong affinity for one another, the diffusion of one metal into the other will occur inevitably, directly impacting the shelf life of the deposit and the performance of the finish. The negative effects of tin whiskers growth are well described in industry related literature and topics of several published papers.

The typical thickness of Immersion Tin is ≥1.0UM and the shelf life is 6 months. The cost of Immersion Tin is more expensive than HASL but less expensive than Immersion Gold and close to Immersion Silver. Similar to Immersion Silver, Immersion Tin is also sensitive in handling and storage, it requires PCB manufacturers to control and pack PCBs with Imm Tin more carefully.



The advantages of Immersion Tin

● Excellent flatness
● Mid range cost for lead free finish
● Good for fine pitch / BGA / smaller components
● Top choice for press fit technology
● Reworkable



The disadvantages of Immersion Tin

● Very sensitive to handling – gloves must be used
● Exposed Tin on final assembly can corrode
● Not good for multiple reflow/assembly processes
● Aggressive to soldermask – soldermask dam should be more than 5mil
● Baking prior to use can have a negative effect



A-TECH is capable of using Immersion Tin, we make the profile and electrical test before the process of Immersion Tin finish, and we use papers to separate each piece of boards to avoid scratches during package and transportation.




Company Features
1. A-TECH CIRCUITS Co., Ltd. has been absorbed in the manufacture and supply of enig pcb exquisite in technology and excellent in craftsmanship.
2. A-TECH CIRCUITS Co., Ltd. focuses on engineering and R&D progress.
3. The service quality has been always highly stressed by A-TECH. Get price! A-TECH always sticks to the principle that quality is above everything. Get price!
The creation of A-TECH enig pcb is in line with international electrical safety standards. It meets the requirements of IEC, EMC, CE marking, etc. Vacuum packing method is adopted for the product to avoid mold rusting during transportation
The quality of A-TECH tin plating pcb is monitored by inspectors and testers. Its individual parts such as the motor, engine, and hydraulic system all tested to meet the standards set by the company. It is produced in the large-scale workshops, making mass production possible
A-TECH tin plating pcb is manufactured with high-quality mechanical components. They are the sophisticated engine, turbine, power transmission equipment, gears, speed changers, clutches, drive chains, generators, and the like. The complete after-sales service system is rendered for the product to maximize customer value
A-TECH tin plating pcb has to go through diverse tests. These tests are strictly conducted in terms of stress points, support points, yield points, wear resistance, toughness, friction force, etc. The product is capable of withstanding high torque
Manufacturing A-TECH enig pcb requires different facilities. It is processed under stamping, coating, painting and drying equipment with high performance and high efficiency. The product is mainly exported to Europe and North America
Strict quality control process ensures zero defects and consistent quality. The product is mainly exported to Europe and North America
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