Electronics Forum: chamber (Page 1 of 22)

Aqueous wash chamber type

Electronics Forum | Tue May 14 04:18:40 EDT 2013 | leardkattiya

Hi, Anyone here experienced in aqueous wash of chamber type? Here's the issues. We have top and bottom portion inside the chamber but unfortunately evaluation had indicate only top portion of the rack is able to clean the PCB clearly.

Aqueous wash chamber type

Electronics Forum | Wed May 15 15:58:11 EDT 2013 | rgduval

Let me see if I understand you correctly. You have a batch washer (looks like a dishwasher). There is a top and bottom spray fixture, which would normally spray water up at the board and down at the board being washed. When you place boards in t

BGA failure when chamber test

Electronics Forum | Mon Mar 21 12:34:58 EDT 2011 | scottp

If there was a ball in cup defect on the original assembly then it could behave like you explained.

BGA failure when chamber test

Electronics Forum | Mon Mar 21 23:10:13 EDT 2011 | kemasta

Hi Scott Thank you very much.

BGA failure when chamber test

Electronics Forum | Mon Mar 21 02:41:29 EDT 2011 | kemasta

Hi It's me again. Our products need to pass a chamber test 45c/36hrs after the PCBA completed batch of functional tests and assemble in to case. We found 1 unit was functioning for 24hours in the chamber, but hang after that. We tried to re-boot the

Looking for OSP PCB Isolation chamber/cabinet

Electronics Forum | Sat Feb 28 15:14:43 EST 2004 | Jason

I am looking for OSP PCB Isolation chamber/cabinet, just in case if we can't run the top side of OSP PCB after after we complete bottom side, and all thses boards are need to be stored in the isolated chamber or cabinet.

PCBA Burn-in / ageing equipment

Electronics Forum | Wed Dec 03 08:51:47 EST 2008 | mrmaint

Try looking at Chart Industries. They offer HASS/HALT chambers that are capable of reaching the paramaters that you are looking for. Will require a nitrogen supply for the cooling end.We had a 3000gal tank of liquid nitrogen to feed two chambers.

Bubbles on solder joint(after conformal coating curing)

Electronics Forum | Sun Nov 22 19:53:10 EST 2009 | prodrivegsr

Hi Ju Yong, The PCB are dry in an airseal cabinet(Staging Chamber) before IR Oven. The bubbles show at around body and solder joint area. You mean the moisture will create bubbles ? Able to advice the humidity and temperature that you are using in

Re: Moisture Bake-out of Plastic Parts

Electronics Forum | Tue May 26 12:25:34 EDT 1998 | Wayne

Vacuum Bakeout Ovens For many years vacuum bakeout ovens have been used in the hybrid industry for removal of moisture from ceramic cercuits prior to hermetically sealing packages. In this process the vacuum oven certainly reduces the bakeout cycle


Electronics Forum | Sat Sep 09 08:21:36 EDT 2000 | Sal

guys Currently experienced this problem on a product which had been running satifactorily for a period of time. No process changes were made, The problem was highlighted when after ICT when the boards were loaded in to the stress chamber, after the

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