Electronics Forum: cleaning msd (Page 1 of 1)

Do you need to bake after parts are in the Dry Cabinet

Electronics Forum | Wed Feb 01 11:47:07 EST 2006 | Mike

James, If you have a true MSD issue, then baking them AFTER your reflow is not going to fix the issue. I would have to agree with GS and look at trapped cleaner media (if your not No-clean) under the components, or inside connectors. If your runnin

Do you need to bake after parts are in the Dry Cabinet

Electronics Forum | Thu Jan 26 17:59:07 EST 2006 | GS

How is RH% inside your Dry Cabinet ? What is the most critical MDL of your MSDs soldered on your board ? Best instructions about Handling of MSD you can get from Standard J-STD-033B/C. The defects you encountered at test it could be moisture absor

Your recommendation is appreciated - Humidity Range for the SMT

Electronics Forum | Mon Nov 06 13:35:10 EST 2006 | Theresa Spear

We are starting up a new clean room for SMT production and wondering if anyone is aware of any guideline for operating humidity and temperature ranges for the room. We know that the MSD's will prefer it to be dry and cool. However, there are other f

PCB SHELF LIFE AFTER FIRST REFLOW

Electronics Forum | Mon Feb 09 09:00:17 EST 2015 | jax

Outside the MSD issues stated already (and I cannot provide a exact time not knowing multiple factors like Humidity levels, temps, exposure times, etc...) OSP might be the very worst finish to use in this scenario of side 1 / store on a shelf / side

second side reflow of MSD parts after wash

Electronics Forum | Wed Mar 24 16:54:38 EDT 2010 | stepheniii

J-STD-033B.1 Says "For cavity packages in which water may be entrpped, water clean processes after first reflow can be an additional source of moisture. This may present an additional risk, which should be evaluated." And it talks about derating if

ROHS Line Conversion Process from leaded process

Electronics Forum | Sun Sep 11 01:25:34 EDT 2005 | Mika

I agree with prior postings, but there is no perfect yes/no answers, right (left)...? Only good questions to be answered. I think it is overkill to have an extra stencil, why do you need it? (That is if you have a proper stencil cleaning equipment).

Dry Box Storage

Electronics Forum | Thu Jan 19 15:21:54 EST 2006 | GS

my experience: End '80 beg '90 we use a solution like that. Along the assembly lines, next to P&P machines we use to get dry cabinets (cheap and simple cabinet) where to put inside of SMDs (reel & trays once out of MBB ) during the waiting time from

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