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hot-sale enig pcb lead free delivery at discount

hot-sale enig pcb lead free delivery at discount
  • hot-sale enig pcb lead free delivery at discount

hot-sale enig pcb lead free delivery at discount

The whole production of A-TECH carbon ink pcb is completed by the combination of sophisticated equipment and professional staff. It will be winded into rolls being shipping if there are no special needs
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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.




Professional and reasonable design plays a crucial role for carbon ink pcb. Its web is formed by a spinneret spouting out the fiber
A-TECH carbon ink pcb is precisely manufactured according to customer's specification/size requirement. Changes can be made to its chemical properties, such as to make it hydrophilic
A-TECH carbon ink pcb is manufactured by the precision machining equipment. It has good heat resistance with a melting point of 164~170 °C
A-TECH enig pcb has an aesthetically pleasing and functional design. Its raw materials are 100% pure polypropylene from China Petroleum & Chemical Corporation
Exquisite craftsmanship with aesthetic and elegant design style is a promise on enig pcb. It will be winded into rolls being shipping if there are no special needs
The product is well-known for remarkable wear resistance. It is able to endure heavy daily use yet will not become age after used for a period of time. It contains no impurity as its materials have been processed by a filter
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