Electronics Forum | Mon May 21 10:25:16 EDT 2012 | swag
Ask for board fiducials if you're running arrays. Global fids on the panel do not work well. One handy product we use on flex is "Tacsil". Works well on SMT pallets as well as router operation. It's double sticky stuff that helps hold on to the P
Electronics Forum | Wed Dec 09 14:36:26 EST 1998 | Earl Moon
| 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 c
Electronics Forum | Wed Dec 09 15:54:05 EST 1998 | Dave F
| 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 c
Electronics Forum | Thu Jan 17 20:33:05 EST 2002 | ianchan
Hi, Can anyone help explain the benefits/disadvantages of bareboard pcb baking, as part of the pre-heat conditioning, before the bareboard pcb use in SMT production run? The pcb board is 200mm x 240mm panelized pcb board, and has 28 smaller pcb boa
Electronics Forum | Tue Jun 06 17:27:19 EDT 2006 | russ
See IPC 610 for this. Section 9, there are a lot of conditions so I will not post here Russ
Electronics Forum | Mon Aug 03 22:00:50 EDT 1998 | Dave F
| I have some potential unused SMT equipment which may be candidates for sale. Any input regarding the value or expected going rate would be appreciated. | CONDITION: | E - Excellent Condition | F - Fair Condition | G - Good Condition | Equipment Li
Electronics Forum | Mon Aug 06 12:30:51 EDT 2001 | Brad R.
I am having some SMT assemblies undergoing thermal shock testing per MIL-STD-883, Method 1011, Test Condition B. I was wondering if anyone has a chart, equation, article, etc. that will give me an idea of the service life of the assembly after it su
Electronics Forum | Mon Jan 22 20:14:52 EST 2001 | davef
Take note that contrary to popular belief, it is not acceptable to assume that the floor life clock will be temporarily stopped when components are put back in dry storage following exposure to ambient conditions exceeding one hour. ... why doesn�t
Electronics Forum | Thu Jan 03 02:35:18 EST 2002 | ianccy
Hi, I am trying to write SOP about the baking requirement of some CSP and uBGA components, the label on the packing said its usable within 72 hours and follow the MSL 4 condition, what does the MSL means? is it Material Safety Level? Has anything to
Electronics Forum | Thu Jan 03 02:36:04 EST 2002 | ianccy
Hi, I am trying to write SOP about the baking requirement of some CSP and uBGA components, the label on the packing said its usable within 72 hours and follow the MSL 4 condition, what does the MSL means? is it Material Safety Level? Has anything to
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