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A-TECH tin immersion tin pcb finish Suppliers for wholesale

A-TECH tin immersion tin pcb finish Suppliers for wholesale

Thickness
0.2-0.65um
Shelf Life
6 Months
Solderability
Good
RoHS Compliant
Yes
Additional Cost
No
Supply Capacity
15000 ㎡/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
Get Latest Price
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Quantity Needed:
Pieces
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OSP, the full name is Organic Solderability Preservative, it preserves the copper surface from oxidation by applying a very thin protective layer of material over the exposed copper usually using a conveyorized process. It uses a water-based organic compound that selectively bonds to copper and provides an organometallic layer that protects the copper prior to soldering. It’s also extremely green environmentally in comparison with the other common lead free finishes, which Suffer from either being more toxic or substantially higher energy consumption.

The typical thickness of OSP is 0.2 – 0.65um and the shelf life is 6 months. It’s a simple manufacturing process to make OSP, and like HASL finish, the production cost of OSP is lower than most of other surface finishes.



The advantages of OSP 

● Cost effective / Low cost
● Simple process
● Excellent flatness
● Re-workable
● Clean, environmentally friendly process



The disadvantages of OSP

● Short shelf life
● Very sensitive to handling – gloves must be used and scratches avoided
● Short operating window between assembly stages
● Not suitable for multiple soldering processes
● Difficult to inspect or measure thickness



A-TECH own OSP line in house, it’s nowadays mainly used to build single-sided FR4 PCB or aluminum PCB with low cost requirements.




Different inspections aspects for A-TECH pcb gold plating will be carried out. The product will be inspected in terms of antibacterial performance, temperature resistance, tensile strength, rigidity, and tearing strength. It is designed in accordance with the physical law of stability, which guarantees its safety and security
Main tests for A-TECH immersion tin pcb finish are performed during an inspection stage. These tests are fitting testing, symmetry check, colorfastness testing, and seam strength testing. Its design conforms to the national code for steel structure design and the design of tower mast structure specification
Sophisticated manufacturing techs are used in A-TECH immersion tin pcb finish. The product is done under the support of 2D/3D and CAD design techs, CAM machining tech, Gait balance analysis tech, and so on. The product features a small wind load coefficient and has strong wind resistance
The choice of materials for A-TECH immersion tin pcb finish is rigorous. From the sourced sheet materials, panels, and table boards, to the hardware accessories, all of those are thoughtfully chosen. The product features a small wind load coefficient and has strong wind resistance
A-TECH pcb gold plating has to pass a series of quality inspections. It needs to be checked with regard to smoothness, softness, splicing trace, cracks, and flex resistance. Covering only a small area, it can reduce the land requisition area
immersion tin pcb finish has high hardness and good corrosion resistance, high temperature resistance, and abrasion resistance. It is not easily oxidized and deformed. Moreover, it will not cause any harmful substance to human body.
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