immersion gold technology in namibia

An Overview of Immersion Gold ENIG Surface Finish for PCBs ...

Jun 20, 2017 ... In this post, we will concentrate on one such important variant – immersion gold surface finish. Read the ... It comprises of electroless nickel plating, which is covered with a thin layer immersion gold. ... Although ENIG is an expensive surface finish technology, still it is popular due to the following reasons:.

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Cleaning Up PCB Final Finish: Cyanide-Free ENIG Coatings

May 4, 2017 ... Electroless nickel immersion gold (ENIG) coatings, used as a final finish for printed circuit boards (PCBs), provide excellent corrosion resistance, high electrical and thermal conductivity, and a reliable surface for soldering and wire bonding. There is, however, a drawback of significant concern: potassium...

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Direct Immersion Gold as a Final Finish for PCBs and packages

Uyemura Direct Immersion Gold (DIG) directly deposits gold onto copper using an electroless plating process for printed circuit boards and packages.

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The Electrochemical Effects of Immersion Gold on ... - PacTech

Oct 10, 2009 ... We have analyzed the effects of immersion gold (i-Au) and electroless nickel (e-Ni) thickness, on the reliability of a semiconductor ... Introduction: Electroless Nickel - Immersion Gold (ENIG) has become one of the more extensively used plating methods in the .... Using this technology, a 10 mm2 silicon...

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Effects of organic additives on the immersion gold depositing from a ...

An immersion gold-plating process on electroless Ni–P alloy substrate was investigated. The immersion Au coating was deposited from a thiosulfate–sulfite mixed ligand bath based on Ni–P alloy substrate. The effects of three organic additives, such as polyethylenimine (PEI), hexamethylene tetramine (HET) and benzotr.

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China Immersion Gold UL PCB from Shenzhen Manufacturer: Wells ...

Immersion Gold UL PCB wells-pcba01 • Min. Order: 1 Piece • FOB Price: US$ 3 - US$ 5 • supplied by Wells Electronic Technology Ltd. on Global Sources.

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How Gold Plating is Done, Step by Step - Thermo Fisher Scientific

May 14, 2015 ... To be absolutely sure of the value of the precious metals you buy, use, and sell, you can utilize x-ray fluorescence technology. XRF precious metals analyzers are fast, simple, nondestructive solutions for gold analysis. You can measure the content of all gold and precious metals, as well as determine the...

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Immersive Technologies - Expect Results

Immersive Technologies optimize operators by changing their behavior and skill level in a sustainable way with our people, processes and technology.

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