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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

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Product Details

A-TECH's Aluminum PCB has excellent performances by virtue of the following excellent details.

Enterprise Strength

Since the inception, A-TECH has always been adhering to the service purpose of 'integrity-based, service-oriented'. In order to return our customers' love and support, we provide high-quality products and excellent services.

Company Advantages
1. A-TECH enig pcb finish adopts the simplified production method.
2. A-TECH offers exceptional performance and high quality product.
3. A-TECH CIRCUITS Co., Ltd. has perfect quality assurance systems and after-sale service measures.

Hard gold plated, the full name is Electrolytic Nickel Electrolytic Gold. The most common application of hard gold plated is edge connectors(gold fingers), and it may also be plated over the entire circuit boards.

Hard Electrolytic gold consists of a layer of gold plated over a barrier coat of nickel. Hard gold is extremely durable, so it is most commonly applied to high-wear areas such as gold fingers and keypads.

Hard gold is not generally applied to solderable areas, because of its high cost and its relatively poor solderability. The maximum thickness that IPC considers to be solderable is 17.8U”, so if this type of gold must be used on surfaces to be soldered, the recommended nominal thickness should be about 5-10U”.

The advantages of hard gold plated

● Hard, Durable surface
● RoHS Compliant
● Long Shelf life
● Excellent for high-wear products

The disadvantages of hard gold plated

● Additional high cost
● Extra complicated manufacturing process
● Etching undercut can lead to slivering/flaking
● Finish does not fully encapsulate trace sidewalls, except in gold finger areas

A-TECH is capable of using hard gold plated on both of gold fingers and the entire PCB, the typical thickness of hard gold plated for gold fingers can be 0.1 – 3.0um, and the typical thickness of hard gold plated on entire board is 0.1 – 1.27um.

Company Features
1. Since inception, A-TECH CIRCUITS Co., Ltd. has been active in developing, designing, and manufacturing enig pcb finish . Today, we are one of the top suppliers in the industry.
2. A-TECH has a complete quality management system to make peelable mask pcb .
3. A-TECH strives to be top in the pcb surface finish industry. Contact us! A-TECH CIRCUITS Co., Ltd. has always pursuing excellence and professionalism. Contact us! A-TECH CIRCUITS Co., Ltd. strives to provide customers with better service and support! Contact us!

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Silver peelable mask pcb free delivery for wholesale A-TECH