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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.
The design of A-TECH pcb mask is carried out under considerations of various factors. It considers the shape, structure, function, dimension, color mix, materials, and space planning and construction. Universe's laundry bag is of good toughness and wear resistance
The design of A-TECH pcb mask covers different areas of consideration. They are silhouette, fabric, color, pattern, texture, graphics, fashion direction, and so forth. The materials for producing bags and boxes are all natural and renewable
A-TECH pcb mask is carefully created. Its design sets out with a desired aesthetic in mind. The function is catered to as a secondary factor. The design of Universe's boxes and bags always leads the fashion trend
The design of A-TECH hard gold pcb takes many garment properties into consideration. These properties are heat and moisture management (breathability, heat insulation, sweat transport), cooling and warming characteristics, range of utility and/or skin sensitivity, etc. The cotton bag, made from thick cloth, can effectively protect the goods inside
A-TECH hard gold pcb has passed comprehensive furniture testing. It has been tested for safety, durability, and structural adequacy and ensured that whether it is safe to use and fits for purpose. Cardboard frame of the velvet box is thick and nondeformable
It is UV resistant to some extent. The selected fabric together with the coating makes it resist ultraviolet light and sunlight. With 9 stitches per inch outside of the bag, the stitching line is dense
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