Electronics Forum: white powder on circuit board (9)

Re: White residue on PCB's

Electronics Forum | Fri Oct 13 05:21:08 EDT 2000 | Robert Steltman

Looking at the original post, it seems that the white residue is formed on the board after wave soldering and becomes evident when it has been left standing for a while. From what I understand, it seems that the solids content of the "no clean" flux

Solder Spotting on Gold

Electronics Forum | Thu Aug 06 09:51:20 EDT 1998 | Bob Willis

This text may be of interest to any one with tin lead spots Guide to Solder Spots - A New Plague in Manufacture ? So what are solder spots ? They appear to be the next big problem in modern reflow assembly in fact in any process that involves solder

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Industry News: white powder on circuit board (17)

President Trump to Sign Legislation on Monday to Focus Leadership and Resources on Defense Electronics

Industry News | 2018-08-12 18:49:11.0

U.S. President Donald Trump is expected to sign legislation on Monday that will bring greater focus and long-term leadership to the government’s interests in military electronics.

Association Connecting Electronics Industries (IPC)

U.S. Defense Legislation Reflects IPC Input on Military Electronics

Industry News | 2018-07-26 19:29:58.0

IPC – Association Connecting Electronics Industries® is applauding leaders in the U.S. House and Senate for finalizing the FY2019 National Defense Authorization Act (NDAA) and including a provision on military electronics backed by IPC.

Association Connecting Electronics Industries (IPC)

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Technical Library: white powder on circuit board (1)

The Nature of White Residue on Printed Circuit Assemblies

Technical Library | 1999-05-07 10:47:00.0

White residue remaining after cleaning circuit board assemblies can be caused by a variety of chemicals and reactions. Rosin and water-soluble fluxes, circuit board resins and epoxies, component materials and other contamination all contribute to this complex chemistry. This paper discusses many of the sources of the residues that seem to be an ever-increasing occurrence.

Kester

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Videos: white powder on circuit board (12)

PCB printed circuit separator is used for cutting the PCB board with the V-grooves.

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ASCEN Technology

PCB manual separator|PCB separator|pcb depanelization machine

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http://www.pcb-separator.com/html/PRODUCTS/PCB%20separator/2015/0607/137.html ?????????/V-cut depaneling/PCB Depanelers/??pcb????/PCB cutting machine/pcb depaneling machine/depanelizing pcb

ASCEN Technology

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Express Newsletter: white powder on circuit board (1039)

SMTnet Express - February 13, 2020

SMTnet Express, February 13, 2020, Subscribers: 34,017, Companies: 10,974, Users: 25,597 Size Matters - The Effects of Solder Powder Size on Solder Paste Performance Credits: FCT ASSEMBLY, INC. Solder powder size is a popular topic

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