Consisting of multiple laminates and differing dielectric constants, this multilayer (displayed right) is a mixed-dielectric printed circuit board which was manufactured for the Aerospace Industry. Multilayer Mixed Dielectric PCB Specifications:
Electronics Forum | Tue Jan 04 12:37:41 EST 2005 | Cmiller
We have been using this finish almost exclusively for fine pitch boards for about 5 years. Make SURE you use a board house that does the gold plating in-house. There are some potential issues as DaveF stated. The only problem we have encountered is w
Electronics Forum | Wed Nov 09 07:43:12 EST 2022 | micropak
ENIG boards have low shelf life as oxidation starts showing up quickly on the solderable areas. We usually keep them vacuum packed till they are ready to be assembled. Most PCB manufacturers will send them vacuum packed.
Industry News | 2014-10-01 15:59:00.0
PCB provider Cirtech Electronics located in Cape Town, South Africa will be liquidating their assets utilizing the online auction services of GoIndustry and Baja Bid. Bidding for the auction will open promptly at 8:00am PDT on October 7th, 2014 and will begin closing at 6:00am PDT on October 14th, 2014.
Industry News | 2014-10-10 16:27:51.0
CB provider Cirtech Electronics will be liquidating their assets utilizing the online auction services of GoIndustry and Baja Bid.
Heller Industries Inc. | https://hellerindustries.com/wp-content/uploads/2022/06/Optimizing-Reflowed-Solder-TIM-sTIMs-Processes-for-Emerging-Heterogeneous.pdf
. The solubility of nickel in the indium is very low so diffusion-controlled growth of the intermetallic (IMC) layer is slow. On exposure to air, nickel forms a unsolderable oxide on its surface, so it is protected with a flash coating of gold. In
ASYMTEK Products | Nordson Electronics Solutions | https://www.nordson.com/en/divisions/efd/resource-center/solder-glossary-of-terms
. Drawbridging See Tombstoning . E ENIG Surface finishing process of electroless nickel followed by immersion gold. During soldering the gold is dissolved into the solder joint
