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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
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Quantity Needed:
Pieces
E-mail:
Company Advantages
1. Our professional inspectors and workers ensure the whole production process of A-TECH hasl pcb finish proceed well. It is 100% produced in accordance with IPC-6012 & IPC-A-600F standards
2. Being able to emit natural light which is similar to the sunlight, the product offers users a soft and comfortable lighting environment. Its robust structure allows it to be used in harsh environments
3. [核心关键词 has the characteristics of hasl pcb finish and long life, it may bring social benefits. It stands out for its impact endurance performance
4. The quality of this product is improved under international standards. It can be manufactured with a customized thickness


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. With the help of technical strength, our enig pcb has better quality and better life;
2. We respect every one of our employees. We place employees at the heart of our concern, respecting in their diversities, including gender, age, disability, origin, and ability. We provide them equal and corresponding treatment. Get more info!
A-TECH hasl pcb finish is manufactured adopting CNC machines. Programs for the CNC machines are created in advance by our dedicated CAD/CAM specialists working with the latest equipment.
The quality control of A-TECH hasl pcb finish is strictly performed in each step of the production process, especially the selection of elastomer materials.
A-TECH enig pcb undergoes a thorough test on its quality safety. The quality control team carries out the salt spray test on its surface to check its corrosion resistant and temperature resistance capacity.
Dedicated to delivering an exclusive interpretation of A-TECH enig pcb, the designers work together with artisans and independent artists to create this unique product.
A-TECH enig pcb is developed with advanced screen touch technology that features fast and accurate pressure sensitivity and flexibility.
hasl pcb finish ensures hasl pcb finish to be operated on the safe side.
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