Electronics Forum: solder void in barrel fill (Page 3 of 3)

Supported holes, Solder, Vertical Fills, Hidden under connector body

Electronics Forum | Mon Oct 15 14:36:03 EDT 2018 | davef

The methods of verifying PTH hole-fill. 1 Visual inspection 2 x-ray inspection works very well for inspecting such a connector for voiding and hole fill. View the connector off-vertical, at between 30 and 45 degrees. As always, the solder connect

PIHR Inspection Criteria

Electronics Forum | Fri May 18 13:30:52 EDT 2001 | mparker

I will start with the statement that I think it is great that we have the ability to solder SMT components that emulates wave soldered components. With that in mind, I would want to find acceptance criteria to be similiar, regardless of the solder me

Via-in-pad

Electronics Forum | Mon Mar 07 10:14:31 EST 2005 | jmedernach

Cellular and PDA architectures employ this technology all the time. You have to be careful with your board supplier as well as with your plugging approach. Leave the via unplugged, I guarantee voids in the solder joint. That leaves us with, "how d

PIHR Inspection Criteria

Electronics Forum | Thu May 17 07:36:40 EDT 2001 | Bob Willis

Here is a copy of a draft document on PIHR Inspection I have jotted down on a flight to Scotland yesterday, any comments suggestions etc ? I have already most of the photos for the standard but as you know there is nothing in the IPC document it just

Re: Help! 2-layered Thru-Hole PCB Solder Mask/Soldering Problem

Electronics Forum | Thu Sep 30 12:29:01 EDT 1999 | Dave F

| Hi everyone, | | Greetings! | | I�ve got a 2-layered through-hole PCB�s having the following problems: | | Solder Mask peels after wave soldering at random locations and only at the bootom side of the PCB | Insufficient Solder and some solder ne

Re: Help! 2-layered Thru-Hole PCB Solder Mask/Soldering Problem

Electronics Forum | Thu Sep 30 21:37:44 EDT 1999 | Dreamsniper

| | Hi everyone, | | | | Greetings! | | | | I�ve got a 2-layered through-hole PCB�s having the following problems: | | | | Solder Mask peels after wave soldering at random locations and only at the bootom side of the PCB | | Insufficient Solder an

baking boards, revisited

Electronics Forum | Fri Oct 04 11:34:42 EDT 2002 | Bob Willis

Some additional comments from a paper may be of interest. Baking Printed Circuit Boards - Why and How Baking printed boards prior to conventional and surface mount assembly should not be necessary. Often boards are baked for historical reasons; in

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