Electronics Forum | Mon Sep 12 20:24:26 EDT 2022 | stephendo
I'll answer the easy part. If you put low temperature trays in the oven at 120C, they will warp and partially melt. I have seen it more often with reels of LEDs. Someone is told to bake them before use so the put them in the batch oven and the next
Electronics Forum | Sat Sep 10 17:12:18 EDT 2022 | yannick_herzog
Hello, we use an oven to dry our MSL components after the floor lifes expires. The oven works at 40°C / 0.1% RH. The plan is to upgrade the oven from 40°C to 60°C to shorten the duration of the process. I have found a number of articles mentioning
Electronics Forum | Tue Sep 13 14:10:13 EDT 2022 | emeto
You can have a dry cabinet with or without heater. They use desiccants to take the humidity out from the parts. As you can imagine it will be a lengthy process. The ones with heater can do 40C, which will be preferred for plastic and paper tapes. I w
Electronics Forum | Thu Sep 15 19:32:51 EDT 2022 | totech
I would like to Add that Mitch is very knowledgeable on this subject, I believe since 2008 this has been a topic of his .. different of low temp baking 40c 50c 60c vs 90c or 125c I do have some totech independent evaluation on the subject if you lik
Electronics Forum | Thu Sep 15 17:44:15 EDT 2022 | decaire
I agree with Evtimov that sticking with the J-Std-033 is preferable to creating your own procedure at a different temp, especially if you need to pass an audit since the auditors will compare your process to the J-Std. My understanding is that oxida
Electronics Forum | Tue Dec 14 13:39:16 EST 1999 | KA
Hello Everyone! I have encountered a situation where I have surface mount components on the backside of the board and I need to wave all the through hole leads on the backside as well. Can this be done? I thought of the possibility of adhering the
Electronics Forum | Fri Nov 08 18:36:31 EST 2002 | leeloo
Nowadays I have a problem, I am in chsrge of the section of smt in my company, have a normal process inside my department with a minimal level of mistakes, the problem happens when the material is liberated to the lines of production on happened for
Electronics Forum | Fri Dec 17 09:24:46 EST 1999 | Marty Wetzel
KA, Joshua makes a good point. A wave solder fixture will allow you to process your double-sided boards without having to add the epoxy step. The one time fixed cost of a fixture is quickly offset by the time that you save by not gluing your SMT.
Electronics Forum | Tue Dec 14 14:26:20 EST 1999 | John Thorup
Sure KA, it's done every day. Be sure that the components to be used on the bottom can take the maximum heat of the wave and the delta T of entering the wave. Depending how complex the bottom side is you will get better results with attention paid
Electronics Forum | Sat Nov 09 15:13:06 EST 2002 | mjabure
If I understand what you're saying, you are reaching reflow temp's on the top side while soldering bottom side components. You might want to run a glass gauge plate over the wave and make sure your contact pattern isn't too large. If your PCB is in c
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