Electronics Forum: baking capacitors (Page 1 of 3)

Moisture under chip capacitors

Electronics Forum | Thu Sep 11 15:23:31 EDT 2003 | Peter L.

I have come across a rash of failed assemblies that have 0805 capacitors and resistors, bottom side glued, wave soldered and washed. Trouble shooter reported touching up the solder joints on a few areas and the boards would pass test. I had a look a

Re: Radial capacitors have water gain

Electronics Forum | Tue May 11 06:30:41 EDT 1999 | Joe Byrde

I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular

Re: Radial capacitors have water gain

Electronics Forum | Mon May 10 14:52:32 EDT 1999 | C.K.

I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular overnight process

Re: Radial capacitors have water gain

Electronics Forum | Tue May 11 00:47:59 EDT 1999 | P.L. Sorenson - Technical Consultant

I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular overnigh

Re: Radial capacitors have water gain

Electronics Forum | Sun May 16 13:10:36 EDT 1999 | Dave McDermid

I left the company before this thing ever got resolved, so I don't know the answer, but here's what we did to get boards out the door. Baked them in a desicating oven. You know, the kind that pulls vacuum? It was a regular overnigh

Re: Radial capacitors have water gain

Electronics Forum | Mon May 10 13:35:14 EDT 1999 | Chrys Shea

We have been having an ongoing problems with radial electrolytic capacitors (thru hole)for some time. 1. When we wash them in our inline cleaners the sleeving shrinks up from the PCB leaving the 'can' exposed. Some designs have traces on the

Re: Radial capacitors have water gain

Electronics Forum | Mon May 10 14:44:15 EDT 1999 | C.K.

We have been having an ongoing problems with radial electrolytic capacitors (thru hole)for some time. 1. When we wash them in our inline cleaners the sleeving shrinks up from the PCB leaving the 'can' exposed. Some designs have traces on

Remove,Re-ball then Re-use BGA safely !!!

Electronics Forum | Wed Jun 19 08:51:49 EDT 2002 | davef

Try this: * Remove PTH components that cannot resist baking like, plastic sockets & electrolytic capacitors. [NOTE: It may be econonomic to sacrifice some of the PTH components that cannot resist baking.] * Bake the board. * Remove, reball, and repla

Remove,Re-ball then Re-use BGA safely !!!

Electronics Forum | Wed Jun 19 05:16:21 EDT 2002 | hany_khoga

Dear all: I wonder how to avoid cracking the BGA if I want to remove it from the PCB assembly, re-ball it and solder it again. I need an answer considering: 1- The assembly could have been exposed to the ambient humidity for a long time. 2- The as

Blow Holes voids in solder fillet on caps

Electronics Forum | Thu Jun 28 17:05:46 EDT 2012 | davef

Here’s what we seem to know: * There’s a problem with voiding in the solder connections of SMT capacitors * A void is an open area caused by air or process fluid that is trapped within a solder connection * Voids are an allowable condition as long as

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