Electronics Forum | Mon Jun 17 21:16:19 EDT 2002 | davef
You�re correct about J-001. It�s interesting though, I find no references to controlling temperature and humidity as an element of an electrostatic discharge control program in the following: * ANSI/ESD S20-20 * "ESD Program Management" by Ted Dan
Electronics Forum | Tue Dec 13 21:20:52 EST 2005 | davef
Certain solder pastes are more affected by humidity than others. Search the fine SMTnet Archives for more on controlling humidity in your plant.
Electronics Forum | Mon Apr 19 20:54:34 EDT 2004 | dave
Rob: We're never heard of paste related problems caused by humidity that is too low. Low humidity is very expensive to control. So, when you think about all the assembly used to be done in the Bay Area. You'd think there would be more talk about i
Electronics Forum | Thu Aug 23 15:38:58 EDT 2001 | mparker
Bingo - the mylar is the problem. Ask the fab vendor what storage and humidity controls they use on the photo tools. The films can changed geometry from day to day depending on the ambient environment. What controls are used during production? The ra
Electronics Forum | Wed Sep 14 04:09:21 EDT 2016 | jimmyh
We are enclosing our SMT room and will control the Humidity and Temperature of the room. Is there a standard for humidity and temperature for a SMT room and if so what is it. What is protocol if it goes out of tolerance? Do we stop production? Is
Electronics Forum | Tue Jul 17 21:48:09 EDT 2007 | davef
Per ESD Handbook TR 20.20 paragraph 5.3.15 Humidity "Humidity is beneficial in all ESD Control Program Plans. Contact and separation of dry materials generates greater electrostatic charges than moist materials because moisture provides conductivity
Electronics Forum | Tue Jan 10 16:01:20 EST 2017 | davef
A review document for J-STD-001F with Amendment 1 had the following wording, but you should check the actual document to be sure of correctness 4.2 Facilities Cleanliness and ambient environments in all work areas shall [D1D2D3] be maintained at le
Electronics Forum | Tue Jun 24 07:16:08 EDT 2003 | sanjeevc
The moisture sensetive bags that carry your BGAs will have the specs in regards to your baking cycles.But definetly you have to bake the BGAs if its been stored at 60% humidity.Normally the shop floor area should not be at such higher humidity.You ca
Electronics Forum | Fri May 09 14:56:37 EDT 2008 | markhoch
The paste dispensers work well as long as the humidity in your shop is properly controlled. If it gets too humid, and the paste gets "soupy", then it will take less air pressure to dispense it onto the stencil. Paste dispensers use a controlled, pre-
Electronics Forum | Wed Dec 09 13:25:16 EST 1998 | Martin J. Ibarra
Hi, I know for sure that by controlling temp. and humidity conditions in SMT assy lines room, one gets advantage in screen printing, adhesive dispensing, and pick&place machines mainteinance. Does any one have any advice on why else is a clean room
