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A-TECH hot-sale immersion tin pcb free delivery for wholesale

A-TECH hot-sale immersion tin pcb free delivery for wholesale

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:
Enterprise Strength
  • A-TECH adheres to the service concept to be customer-oriented. We are widely recognized in the market due to quality products and excellent services.
Product Comparison
A-TECH's Multilayer PCB has better performances in the following aspects.
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Company Advantages
1. Our focus on the details during the production makes A-TECH osp coating pcb impeccable in details.
2. The product is guaranteed to be superior in quality, stable in performance, and long in service life.
3. This product has high light color accuracy. It allows everything to look the same as its original color just like at daytime.
4. This product can lower the amount of needed electricity, providing energy bill savings and emissions reductions to homeowners and businesses.
5. One of the appeals of this product is that it is suitable for a variety of applications. Currently, it is used as homes, offices, classrooms, and even mobile farms.


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 is thousands of people's first choice when they are in need of immersion tin pcb .
2. Our company has passed the quality control system to ensure the high grade of enig pcb .
3. Our business goal is to build a multinational or global brand. We are working hard to make our company more appealing to customers by offering quality products and professional services. A keen sense of customer service is an essential value for our company. Each piece of feedback from our clients is what we should pay much attention to.
immersion tin pcb attracted attention with a particular design, it was regarded a immersion tin pcb with great expansibility. The product is versatile, flexible and highly accurate
A-TECH CIRCUITS Co., Ltd. employs osp coating pcb material, which is up to the national standard. The product has a high load-bearing capacity
With its properties like osp coating pcb, enig pcb occupy a magnificent place in osp coating pcb market. It is very easy to maintain, offering more convenience
By a well selected set of immersion tin pcb material, osp coating pcb finally possesses the properties of immersion tin pcb. With the protection of linear screw & guide way, it enjoys a high level of safety
There will be multiple choices for sizes and shapes of osp coating pcb. The product has a high-gloss surface, showing an outstanding look
The product combines versatility with reliable performance. The product has a high load-bearing capacity
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