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highly-rated immersion gold pcb lead cheapest factory price for wholesale

highly-rated immersion gold pcb lead cheapest factory price for wholesale
  • highly-rated immersion gold pcb lead cheapest factory price for wholesale

highly-rated immersion gold pcb lead cheapest factory price for wholesale

The production of A-TECH peelable solder mask pcb adopts standardized production technology.
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Enterprise Strength
  • A-TECH always gives priority to customers. Depending on great sales system, we are committed to providing excellent services covering from pre-sales to in-sales and after-sales.
Company Advantages
1. The production of A-TECH peelable solder mask pcb adopts standardized production technology.
2. peelable solder mask pcb makes immersion gold pcb fully applicable in the most practical parts of our life.
3. The product features the desired safety. It has been designed along with overhead or floor tracks to prevent trip hazards.


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. As a competitive manufacturer of peelable solder mask pcb , A-TECH CIRCUITS Co., Ltd. has been widely accepted for providing innovative products in the industry.
2. Compared with other companies, the A-TECH CIRCUITS Co., Ltd. has a higher technical level.
3. A-TECH has been providing high quality service for customers. Ask online! To stay ahead, A-TECH CIRCUITS Co., Ltd. continuously improve and think in new ways. Ask online!
All of the designing details of A-TECH immersion gold pcb are specified in the spec sheet. They include measurements, tolerance, fabric types, sewing techniques, and so on.
The choice of the materials for A-TECH peelable solder mask pcb is rigorous. It takes factors such as screen gain, color shift and sound loss into consideration.
The manufacturing process of A-TECH immersion gold pcb covers the following stages: foot shape collection, graphic design, molding, trimming, and antibacterial finishing.
The raw materials of A-TECH immersion gold pcb are sourced and handled in a strict manner. They have to be cleansed, measured, moisture removed, and tested for harmful substances to make sure they are in line with standards for furniture pieces.
A-TECH peelable solder mask pcb is carefully designed. Special emphasis is placed on its human and functional factors as well as the aesthetics and use of materials.
This product has low chemical emissions. It is granted with a Greenguard certification which means it has been tested for more than 10,000 chemicals.
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