PCB Fabrication

An Introduction To Electroless Nickel Immersion

by:A-TECH      2020-11-12

Don has intensive information regarding integrated circuits, materials, specialty laminates, chemical substances and equipment. He also prides himself on staying current with the very newest techniques and procedures in PCB Layout and manufacturing. Selecting the right PCB surface end can be a challenge, however we are here to assist.


Because of its durability, this kind of PCB plating is utilized in purposes that contain mechanical contact, corresponding to buttons and keypads. The properties and uses of this end are the same as HASL — besides there's just about no lead in the alloy. Instead, the alloy is a tin and copper, tin and nickel, or tin, copper, nickel and germanium alloy. Industries rely on Cirexx to layout, fabricate, and assemble printed circuit boards to fulfill their required specs.


Ultimately, as the results of consecutive reflow processes, a starting seven percent phosphorous stage can simply climb to 9 % — and even greater. And the upper the level of phosphorous, the greater the risk of nickel corrosion in the course of the gold immersion/deposition course of. There may not be any subject extra controversial within the PCB industry than that of ENIG black pad. In easy terms, black pad refers to an inferior connection that happens between the solder and nickel interface. Your time is effective, which is why you wish to design your printed circuit board accurately from the beginning.


Cirexx is your greatest-in-class answer for PCB layout, fabrication, and meeting. With greater than four a long time of expertise, we have manufactured PCBs for almost every main technology firm – and we’ve labored with industries all over the world.


Dow’s new cyanide-free plating tub provides an extra benefit over typical immersion gold plating. A standard immersion gold bathtub must operate at eighty or 85 ℃ to realize plating charges that present adequate manufacturing throughput. The cyanide-free bath operates at 45 ℃ and may deposit 0.05 µm (2 µ”) of gold in about 10 minutes at this temperature in 1000L scale pilot testing.


Contact us at present to study more about what PCB floor end you must choose for your subsequent project or to connect with our skilled sales staff. Hard gold is plated over the nickel, which holds up properly and doesn’t break down simply in comparison with other finishes.


Don Kaufman is our Business Development Manager and has been with Cirexx International since 2006. He has over 33 years of sales and technical expertise in the printed circuit board industry, which supplies intrinsic value to customers.

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