Electronics Forum | Thu May 09 10:12:08 EDT 2013 | wahahasteven
this is one of my project. I have tried to remove coating only on those areas with alcohol and thinner, then program the machine to coat the removed area again. But the result obviously shows that two different tones of coating on the board. I also
Electronics Forum | Thu May 09 13:49:24 EDT 2013 | davef
First, it appears that your solder mask and your coating material appear to be incompatible. Second, IPA leaves a residue that's probably not compatible with your coating material, either. IPC-HDBK-830 - Guidelines for Design, Selection and Applic
Electronics Forum | Mon Oct 07 22:06:43 EDT 2013 | action_101
I successfully inspect solder on plcc's with angled cameras on the yestech we have. In the past I have successfully inspected for solder with angled cameras on mirtec machines for both plcc's and qfn's. Other than inspecting solder on those two types
Electronics Forum | Wed Jun 05 15:22:48 EDT 2013 | davef
Solders, Fluxes and Pastes - A Lab Report This webcast consists of 10 individual program segments focused on the important topic of electronics solders, solder pastes and fluxes. Program Segments Include: * Can You Mix Leaded and Lead-free? * Probl
Electronics Forum | Thu May 30 15:00:17 EDT 2013 | anvil1021
How is your DI system setup? What kind of cleaner system are you using? What were you expecting as far as length of use and cost of the DI beds? opne or closed loop? There are a ton of things you can do, its just a matter of what you are doing now an
Electronics Forum | Mon Jul 01 11:29:02 EDT 2013 | hegemon
I am guessing a lead free process. From the pictures, I don't neccessarily see any issues, perhaps the leads have wicked up a little too much solder, making the joint look a little starved. But I think I see nice toe and side fillets. In the worst c
Electronics Forum | Thu Jul 18 05:05:34 EDT 2013 | bobpan
Make sure that the lens is clean and you dont have any parts down inside on the camera. Also sometimes the leds that shine up to the part are bent in crazy directions. Make sure they look like they are all aimed up at the same direction. Is the brigh
Electronics Forum | Thu Sep 19 12:29:57 EDT 2013 | deanm
What is your plan/budget for your reflow oven and paste printer? Those are equally important as a placement machine. Have you factored in other costs of in-house assembly such as inspection, moisture sensitive device storage, rework tools, cleaning p
Electronics Forum | Wed Dec 04 11:51:36 EST 2013 | cbeneat
We use ours multiple times a day x 3 shifts. As the maintainer, I personally am satisfied I change the filters monthly and keep it full of cleaning fluid. I will say we have another facility that has the same washer, they have had more issues than
Electronics Forum | Wed Jan 08 08:20:52 EST 2014 | emeto
To most of our boards I give 20-30% tolerance in both directions. From experience if you have big aperture on your stencil, the squeegee will scoop certain amount of paste from this aperture and you will see lower height. Depending on your board supp
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