Electronics Forum: board edge burr (Page 1 of 77)

Fiber exposed on board edge

Electronics Forum | Tue Jan 12 11:14:37 EST 2016 | mfgengr2016

After the CCA is been de-paneled I find exposed board fibers. Should the board edge be sealed with an epoxy to keep moisture from getting into the CCA?

Fiber exposed on board edge

Electronics Forum | Thu Jan 14 09:25:34 EST 2016 | davef

IPC-A-610F 10.2.6 Laminate Conditions - Depanelization talks to the acceptability of the depanelization criteria for assembled boards. There is no requirement for moisture sealing with epoxy or other material. Basically, the standard requires that th

Dual edge mount connector

Electronics Forum | Fri Sep 17 16:44:56 EDT 2010 | rdubya

If your pads are long enough you shouldn't have a problem, the pins on the connector are curved up(away from pcb)and will plow solder paste to the end of the pad then it will wick back up the pin during reflow. if you have a second stencil for the bo

Wave solder edge covers

Electronics Forum | Wed Jun 30 10:37:11 EDT 1999 | Boca

We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design). Inste

component to scored edge clearance

Electronics Forum | Mon Jun 20 04:21:04 EDT 2005 | alex

What is the ideal component edge to board scored edge clearance?

edge clearance for inline equipment

Electronics Forum | Wed Oct 01 23:40:38 EDT 2003 | bradlanger

I was wondering if anybody could tell me what a good clearance would be for board designs to allow for the use of inline equipment? My company currently runs a batch line but I want to make sure we are designing properly for inline if the need arises

Re: Wave solder edge covers

Electronics Forum | Thu Jul 01 14:47:10 EDT 1999 | Tony

| | | My guess would be trapped flux continuing to be active after soldering. Is the tarnish there immediately after exiting the machine? Do you remove the mask and wash right away? If the solder is reflowing under the mask on the component side

Re: Wave solder edge covers

Electronics Forum | Fri Jul 02 09:54:02 EDT 1999 | John Thorup

| | | | We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design)

Re: Wave solder edge covers

Electronics Forum | Fri Jul 02 10:06:17 EDT 1999 | John Thorup

| | | | We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design)

Re: Wave solder edge covers

Electronics Forum | Wed Jun 30 12:14:40 EDT 1999 | John Thorup

| | We are wave soldering some fabs with a lot of unmasked trace area along the edges. The trace area is solid copper covered with tin / lead, no masking, no components along the edges, same on solder side and component side (goofy board design). I

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