Electronics Forum | Tue Apr 13 14:49:15 EDT 2010 | davef
90%) from the sample, and the bake time and temperature specified herein are minimums. To improve test accuracy, or to prevent heat damage, other bake parameters may be AABUS. 2 Applicable Documents IPC-QL-653 Certification of Facilities that Inspect
Electronics Forum | Tue Apr 24 21:00:58 EDT 2018 | marlonbc
Hi All, Would just like to course through this concern on a product that we are contracted to assemble. It is mainly used for an automatic hand sanitizer dispensing product. By design there is a restrictive value of current that it needs to dissipat
Electronics Forum | Fri Nov 20 14:50:13 EST 2009 | davef
One of our instruments has a high impedance front-end. We: * Passed functional test in the environmentally controlled shop. * Failed test, on the same unit, while carrying it to burn-in chambers in an uncontrolled part of the plant. Solder flux resi
Electronics Forum | Thu Dec 21 04:27:31 EST 2000 | teohbengee
Need help urgently. Anyone can provide me some information or site on reliability test on PCB assembly like solder joint or anything. Some test like ERSA Test, SHMOO Test, Pull Test, Temperature cycle and humidity Test, vibration Test or any related
Electronics Forum | Tue Jul 06 08:48:11 EDT 2010 | Sean
Hi all, Is anyone used to encounter PTH(plated through hole) crystal component(Not SMT component) become malfunction when the environment humidity is more than 90%? It is happening here...It is very weird that crystal become OK when humidity is bac
Electronics Forum | Fri Nov 20 08:51:34 EST 2009 | Sean
Hello, This is interesting topic that I would like to share and discuss with you.. I came across few projects from various SMT factories where its product(Computer) reach field, experience No Post/boot defect. This problem become very obvious when
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
Electronics Forum | Wed Jul 20 01:44:51 EDT 2005 | Ron
Hello!! Where can I find some materials and information about temperature testing?? We have a new temperature testing chamber and i would like to know how fast product will cool down and after that how soon can I put this product to high temperature
Electronics Forum | Sun Oct 18 01:55:16 EDT 1998 | PARK KYUNG SAM
WE USE 3 chamber OF Mc-DRY(MODEL NAME). THE MACHINE CAN REMOVE HUMIDITY FROM PARTS IN THE GENERAL PERIPHERAL TEMPERATURE (MAY BE 25-30;CENTIGRADE). AND IT'S CONVENIENT FOR MAN TO PUT OR TAKE OUT COMPANENT FROM CHAMBER BECAUSE THERE IS NO HOT AIR AN
Electronics Forum | Tue Jan 09 08:46:03 EST 2018 | pavel_murtishev
Hi, "Baker with controlled humidity 5%" is actually dry cabinet. Using of dry cabinets i.e. ambient temperature baking is preferred. Vacuum will always be better. If you are going to use vacuum chamber, that will be the best method in my opinion.
