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Latest products

4 layers PCB with IPC CLASS3 acceptance standard

4 layers PCB with SHENGYI S1000-2

4 layers PCB with impedance control

4 layers PCB with ENIG finish

Product Information
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Application Scope

Multilayer PCB developed and produced by A-TECH is widely applied to many industries and fields. It can fully meet the diversified needs of customers.In addition to providing high-quality products, A-TECH also provides effective solutions based on the actual conditions and the needs of different customers.

Product Details

With a focus on quality, A-TECH pays great attention to the details of Multilayer PCB.

Company Advantages
1. The following tests must be performed in A-TECH silver coating pcb production. These tests involve dielectric withstand inspection, insulation resistance inspection, leakage current inspection, and the like.
2. This product is low-VOC and non-toxic. Only sustainable, eco-friendly and natural or recycled materials are used to produce it.
3. Manufacturing the flawless peelable mask pcb is always the development goal of A-TECH.

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 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.

Company Features
1. A-TECH CIRCUITS Co., Ltd. has developed into the world's leading manufacturer.
2. The Technology Center of A-TECH has been persistently focusing on forward-looking technologies at home and abroad.
3. Creating value for customer is A-TECH CIRCUITS Co., Ltd.'s unremitting dream! Get an offer! Relying on silver coating pcb , A-TECH aims to promote peelable mask pcb industry. Get an offer! If you have any questions or comments you can always call or email A-TECH CIRCUITS Co., Ltd.. Get an offer!

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The development of A-TECH silver coating pcb has adopted many high tech. They are mainly electronic information technology, automatic control theory, and microtechnology. Its first shielding layer helps prevent high-frequency noises and interference of outward electromagnetic energy

m******b

The mechanical components of A-TECH peelable mask pcb are precisely manufactured. Various kinds of CNC machines are used such as the cutting machine, drilling machine, milling machine, and punching machine. With the help of a special adapter, the product can be converted into other types of cable

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The manufacture of A-TECH peelable mask pcb is of professionalism. The multistage production process is adopted. Its design, production, assembly, and testing will be controlled by separate teams. This product has the ability to ensure signal integrity

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A-TECH peelable mask pcb is well designed. Its detailed design includes mechanical design, structural design, electrical control design, instrument panel design, etc. It has been extensively used in various high-definition video and audio equipment

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A-TECH peelable mask pcb is manufactured using a variety of high technologies. They are mainly sensing technology, control system, detection system, and servo drive technology. The pure copper conductors ensure the speed of the data

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The product has better durability due to its quality assurance. This product has the ability to ensure signal integrity

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