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A-TECH ink pcb gold plating Supply at discount

A-TECH ink pcb gold plating Supply 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
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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 PCB 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.




Loaded with all the features, the hasl pcb finish is known in the markets. Customized accessories are available according to requirements
A-TECH hasl pcb finish is finely produced by experienced production professionals using advanced technology. All the small elements that constitute it are firmly fixed
A-TECH pcb gold plating is thoughtfully designed by our experienced experts according to the strict design process. This product is tested to ensure that it doesn’t easily ignite
A-TECH hasl pcb finish is manufactured making use of advanced production technology. All seams are tight and flat, and no holes or loose mouth will be found
A-TECH pcb gold plating is scientifically designed based on the production standards. It embodies innocence and comfort, teaching one how to love and how to be gentle with others
It is less prone to pilling in the long run. Fiber, which doesn't pill easily, is used and the lubricant agent is used in the jet dyeing and dyeing process to reduce wear and friction. The accessory can withstand a certain amount of tension and is not easily torn off
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