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high quality pcb mask silver free delivery at discount

high quality pcb mask silver free delivery at discount
  • high quality pcb mask silver free delivery at discount

high quality pcb mask silver free delivery at discount

A-TECH CIRCUITS Co., Ltd. is a comprehensive enterprise specializing in R&D, production and sales of pcb mask products.
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Product Details
Aluminum PCB's outstanding quality is shown in the details.
Company Advantages
1. A-TECH hard gold pcb is manufactured using advanced machines and tools in tandem with international quality standards.
2. The product features overheating protection. In order to realize true inherent-overheating protection, the temperature of the thermal element follows at all times the motor-winding temperature.
3. The product is catered to those with flat feet, bunions, and plantar fasciitis. It relieves the stress and burden imposed on the feet and offers desired comfort.


Immersion Silver, it’s also known as Immersion Ag, it’s produced by the selective displacement of the copper atoms by silver atoms on the exposed copper surface. As an improvement on HASL with more flat surface, the cost of Immersion Ag is more expensive than HASL but less expensive than Immersion Gold.

Immersion Ag is a RoHS compliant finish, and it’s compatible with surface mount, BGA and through hole components. The typical thickness of Imm Ag is 0.1-0.3um and the shelf life is 6-12 months.



The advantages of Immersion Silver

● Absolutely flat
● Good for fine pitch and SMD
● Good for press fit connector’s capability
● Excellent solderability
● Multiple heat cycles during assembly process
● It’s reworkable



The disadvantages of Immersion Silver

● Very sensitive to handling / tarnishing / cosmetic concerns – gloves must be used
● Short operating window between assembly stages
● Not recommended to use peelable masks
● Special packaging required – if packaged opened and not all boards used, it must be resealed quickly
● Reduced supply chain options to support this surface finish



A-TECH offers the surface finish of immersion silver, since this finish is much more sensitive in manufacturing and it’s more susceptible to temperature and humidity than other finishes, we use special operation standards and higher level of packing standards to ensure excellent appearance of immersion Ag.




Company Features
1. A-TECH CIRCUITS Co., Ltd. is a comprehensive enterprise specializing in R&D, production and sales of pcb mask products.
2. Our factory has imported some of the industry’s most advanced production facilities. This allows our products to be produced at very high speeds and up to exacting specifications.
3. In the process of manufacturing, we constantly pay emphasis on CO2 emissions, reject flows, recycling, energy use, and other environmental issues. We have established a clear environmental protection plan for the production process. They are mainly reusing materials to minimize waste, avoiding chemicals-intensive processes, or processing production wastes for secondary uses. We are committed to making our living environment a more sustainable world. By making efforts in changing the production model and adopting energy-efficient facilities, we have confidence to realize our mission.
A-TECH pcb mask is precisely designed using premium quality raw material and leading-edge technology. It will be winded into rolls being shipping if there are no special needs
A-TECH hard gold pcb is independently designed by our designers who think highly of the innovation. The PP raw materials and masterbatch used for it are non-toxic
Every material used to manufacture A-TECH hard gold pcb has been screened fully and tested strictly to ensure it is 100% qualified. It comes in various colors, which can be customized according to needs
The design of A-TECH hard gold pcb is practical, which adopts advanced and innovative design concepts. Its fibers are very uniform being processed by state-of-the-art screw extruder
A-TECH pcb mask is designed utilizing the advanced design concept. It has tapped into world markets such as Europe, South America, and Southeast Asia
Our high quality management system ensures that our products meet international standards. There will not be damage marks after it is folded
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