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silver immersion tin pcb bulk production for wholesale A-TECH

Silver immersion tin pcb bulk production for wholesale A-TECH

Shelf Life
6 Months
RoHS Compliant
Additional Cost
Supply Capacity
5000 ㎡/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
To better learn about PCB prototype, A-TECH will provide detailed pictures and detailed information in the following section for your reference.
Enterprise Strength
  • A-TECH takes constant innovation and improvement on the service model and strives to provide efficient and considerate services for customers.
Company Advantages
1. A-TECH pcb gold plating has been tested by third-party testing organizations. It has been checked in terms of miter edge lamination, polish, flatness, hardness, and straightness.
2. The product poses no risks to the human body. The ingredients have been already tested to contain no harmful substances.
3. The achievements all show that A-TECH's persistence and efforts on quality.
4. A-TECH CIRCUITS Co., Ltd. better understands customers’ needs and always shows willingness to help.

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 a high popularity, A-TECH has done a better performance over the years.
2. A-TECH CIRCUITS Co., Ltd.'s key technologies make its immersion tin pcb products more efficient and competitive.
3. A-TECH CIRCUITS Co., Ltd. ensures you receive the greatest and superior quality of immersion gold pcb . Please contact us! A-TECH CIRCUITS Co., Ltd. will render more professional, more brilliant, and more perfect service. Please contact us!
All immersion gold pcb may be the same, but pcb gold plating make us take the lead.Any logos or brand information can be customized and printed on the item
immersion gold pcb is more applicable to pcb gold plating with its features of pcb gold plating. Print width and line spacing can be customized based on needs
immersion gold pcb function of pcb gold plating from A-TECH CIRCUITS Co., Ltd. is mainly achieved through its body structure. It meets a variety of low-to medium-volume printing applications
This kind of pcb gold plating is designed by our professional team who have been specialized in this field for years. It produces little noise during its operation
Our design for immersion tin pcb is very fashionable and special.
When night sweats hit, it does not simply absorb moisture and cause annoying temperature changes from too hot to too cold. This product supports the top and front printing exit
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