Electronics Forum: solder mask blisters on tracks (2)

Re: Need help on DFM rules

Electronics Forum | Wed Jun 02 15:27:27 EDT 1999 | JohnW

| | Hi, | | | | To improve the Design For Manufacturing I am currently looking to write down some design rules that can (and should be) used by our engineering department. | | | | Can somebody help me get started or give some usefull tips on where

Part of PCB silkscreen turns yellow brownish

Electronics Forum | Fri Aug 29 09:39:08 EDT 2014 | rgduval

I'll try to deal with the issues as you've presented them. 1. Blistering/delamination, shown in photo 2. The most likely cause of blistering/delamination like this is moisture in the boards. The moisture can get into the boards in multiple ways..

Express Newsletter: solder mask blisters on tracks (1041)

Partner Websites: solder mask blisters on tracks (40)

Prototyping PCBs: Everything You Need to Know Before You Start

Imagineering, Inc. | https://www.pcbnet.com/blog/prototyping-circuit-boards-everything-you-need-to-know-before-you-start/

? There are several types of circuit boards. The most common are single-sided and have copper tracks connecting the components on one side of the PCB

Imagineering, Inc.

Land Patterns For Lead-Free Componet Soldering - PCB Libraries Forum

PCB Libraries, Inc. | https://www.pcblibraries.com/forum/land-patterns-for-leadfree-componet-soldering_topic612_post2167.html

.   Solder Paster is applied over the entire pad with a Stencil that has aperture openings that where cut out using a laser. The laser does not create sharp corners but rather the corners of a rectangle pad shape are slighty rounded in the Paste Mask Stencil

PCB Libraries, Inc.


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