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highly-rated immersion gold pcb carbon free delivery at discount

highly-rated immersion gold pcb carbon free delivery at discount

highly-rated immersion gold pcb carbon free delivery at discount
  • highly-rated immersion gold pcb carbon free delivery at discount

highly-rated immersion gold pcb carbon free delivery at discount

A-TECH immersion gold pcb has been tested by the third-party testing organization. For example, it has passed fiber composition analysis, dimensional stability testing, shrinkage testing, stain resistance testing, and seam bursting testing.
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Application Scope
Multilayer PCB can be applied to different industries, fields and scenes.A-TECH has professional engineers and technicians, so we are able to provide one-stop and comprehensive solutions for customers.
Product Details
A-TECH's Aluminum PCB is processed based on advanced technology. It has excellent performances in the following details.
Company Advantages
1. A-TECH immersion gold pcb has been tested by the third-party testing organization. For example, it has passed fiber composition analysis, dimensional stability testing, shrinkage testing, stain resistance testing, and seam bursting testing.
2. immersion gold pcb is an enig pcb finish for this purpose due to its characteristics of carbon ink pcb .
3. Years of application of immersion gold pcb proves the good performances and the good application effect of it.
4. It demonstrates the ultimate combination of craftsmanship and sophistication, designed to ensure a high quality sleep quality experience.
5. This product will finally contribute to the improvement in production efficiency. Because it can effectively eliminate human error during operation.


HASL, the full name is Hot Air Solder Leveling, it’s one of the traditional surface finish on printed circuit boards with long successful history.

To make the HASL finish, the circuit boards will be submersed in molten solder(Tin/Lead). This solder will cover all the exposed copper surfaces. Upon retraction from the solder, high pressure hot air is blown over the surface through air knives, this levels the solder deposit and removes the excess solder from the surface of printed circuit boards.

HASL (Tin/Lead) surface finish is not RoHS Compliant, so it can be only available where RoHS exemption is permitted. The typical thickness of HASL is 1-40um, and the shelf life can reach to 12 months.



The advantages of HASL surface finish

● Excellent solderability / wettability
● Good reflow properties
● Low cost in manufacturing
● Large processing window is allowed
● Multiple thermal excursions
● Can be widely used



The disadvantages of HASL surface finish

● Uneven surface
● Not suitable for PCBs with fine pitch
● Thermal shock
● Not RoHS Compliant
● Solder bridge
● Plugged or Reduced plated through holes



A-TECH have HASL surface finish in house, it’s mainly used to build single sided or double sided PCBs with high solderability requirements but low manufacturing cost and without RoHS Compliant requirement.




Company Features
1. A-TECH CIRCUITS Co., Ltd. enjoys a good reputation in domestic. We have earned years of experience in the developing and manufacturing of enig pcb finish .
2. Our immersion gold pcb is an excellent product manufactured by our highly advanced technology.
3. We have a simple business philosophy. We always work closely with clients to provide a comprehensive balance of performance and pricing effectiveness. Our ideal is to be the world's top supplier in this industry. We will put more investment in improving our R&D capabilities, and grow stronger relying on distinctive products we produce. We envision to become a time-honored top brand and take it as our mission. We keep improving our products by introducing cutting-edge technologies. We work hard to minimize the environmental impact during our production. We seek new ways to optimize our production processes by reducing waste and energy consumption.
A-TECH immersion gold pcb has to be tested for quality before its shipping. It must be dipped in the acetic acid for hours to inspect the dissolving-out quantity of lead and cadmium. Nanfang operates in line with ISO14001 environmental management requirements
The quality test of A-TECH immersion gold pcb is conducted by the quality control team who holds food safety certification in the dining tools industry. Nanfang's valves are designed to make flow control better and easier
A-TECH enig pcb finish is treated with fire-retardant, ecologically-friendly fabrics, and chemically safe dyes. Its raw materials are skin-friendly. Nanfang's valves are designed to make flow control better and easier
The testing for A-TECH enig pcb finish includes medical materials reliability testing and evaluation, biocompatibility testing, durability testing, and chemical exposure testing. Nanfang can customize flow control solutions for the most demanding application conditions and environments
Professional design: A-TECH enig pcb finish is designed professionally to make people writing and signing naturally. Our designers are dedicated to making people writing and signing naturally in a professional way. Established in 2000, Nanfang specializes in R&D, design, and production of valves
The product has fine strength and elongation. A certain amount of elasticizer is added into the fabric to enhance its capacity of tear resistance. Nanfang manufactures valves under an ISO9001 certified quality management system
The product is not likely to be affected by overcurrent. It is embedded with a thermorelay, an overload protection element, to keep the product from the shock damage of short circuit. Nanfang's valves are designed to make flow control better and easier
It is colorfast. The color fastness tests as per ISO 105 are performed on all dyed fabrics, printing artwork or printing logo on fabrics in the production to ensure this property. Nanfang provides effective solutions for industrial flow control worldwide
It features water repellency. The coating on its fabric will result in water running off rather than being absorbed into the fabric. Nanfang has 19 years’ valve production experience
This product is waterproof. The seams on it are applied with seam sealer that will keep moisture from seeping through. Nanfang supplies valves for famous businesses: Sinopec, PetroChina, CNOOC, etc
It has a low self-discharge rate even if not in use. During the designing stage, the self-discharge has been carefully considered and controlled in a very low limit. Nanfang ensures every valve is compliant with CE standards
Its design and style are also loved by those who want not only modern and efficient appliances but also those look great and stylish. Nanfang has passed the certification of OHSAS18001, API 607, etc
The product can be used in wet bathrooms and washrooms, and people don't need to worry about the problem of fracture or break caused by moisture expansion. Nanfang's valves are excellent in controlling liquid, gas and steam flow in all industries
By using this product, people will help keep pounds of greenhouse gas emissions from entering the environment over the lifetime of this product. Nanfang's valves are excellent in controlling liquid, gas and steam flow in all industries
Our customers say it helps save cost in hiring people to clean their pool because now they can do the cleaning job themselves using this product. To meet requirements in flow control systems, Nanfang is constantly developing the most practical valves
This multi-use product is designed with the objective of bringing convenience and safety to people, making people's life more efficient. Nanfang provides effective solutions for industrial flow control worldwide
By taking the pressure off the shoulder, rib, elbow, hip and knee pressure points, this product improves circulation and provides relief from arthritis, fibromyalgia, rheumatism, sciatica, and tingling of the hands and feet. Nanfang can customize flow control solutions for the most demanding application conditions and environments
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