Electronics Forum: top layer copper discoloration under solder mask (9)

PCB with stains bleach after flux aqueous wash

Electronics Forum | Wed Feb 11 17:04:47 EST 2015 | davef

A-610E, 10.7.4 covers solder mask discoloration. Use that for your disposition In a previous thread, Boardhouse told us "Here are a couple of things that can affect color. * Material color is the major, * Matte green from Enthone would be different

PCB with stains bleach after flux aqueous wash

Electronics Forum | Thu Feb 12 07:58:54 EST 2015 | erezah

A-610E, 10.7.4 covers solder mask discoloration. > Use that for your disposition > > In a previous > thread, Boardhouse told us "Here are a couple of > things that can affect color. * Material color > is the major, * Matte green from Enthone wou

Industry News: top layer copper discoloration under solder mask (1)

SMT Dictionary – Surface Mount Technology Acronym and Abbreviation

Industry News | 2018-12-08 03:29:29.0

SMT Dictionary – Surface Mount Technology Acronym and Abbreviation

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Express Newsletter: top layer copper discoloration under solder mask (1076)

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Surface Mount Technology Association (SMTA) | https://www.smta.org/education/presentations/presentations.cfm

occurrence and the failure mode itself i.e. increase of leakage currents, electrochemical migration and corrosion. The parameters such as solder mask, residues from PCBA assembly process, and PCBA layout and components have an influence on the water layer

Surface Mount Technology Association (SMTA)

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