Electronics Forum | Wed Aug 12 13:26:31 EDT 2015 | tombstonesmt
Esoderberg, Thank you for the response! I was completely unaware that HumiSeal provided latex masking. I have a sample on the way. I sampled some Wondermask 2211 in the past. By the TDS description, I wonder if they share the same makeup; both
Electronics Forum | Tue Mar 17 10:06:51 EDT 2015 | chemers
Hi everyone. I hope someone or many someones can offer guidance. I have many magazines that have various problems. (Not feeding and/or not pulling tape on some slots) Does anyone have any information for repairing or troubleshooting these? It seems l
Electronics Forum | Tue Mar 17 12:48:41 EDT 2015 | cyber_wolf
Couple things: If the rubber roller that touches the take up wheels is worn you can adjust it. The axle is on an eccentric. Make sure the "teddy bear faces" that adjust the pick point are not grossly different from the left to right sides of the ma
Electronics Forum | Wed Mar 18 09:52:40 EDT 2015 | rgduval
You'll want to double check the electronics in the magazines, as well as the mechanicals. Over time, the connectors can come loose, and could affect performance. I'm thinking of the "dead" feeder that you mentioned, while the rest of the feeders wo
Electronics Forum | Fri Mar 20 04:09:57 EDT 2015 | robertwillis
Yes generally speaking yes if there is not contamination on the board from PCB manufacture. for dendrite formation you also need moisture and voltage during operation of the product. You can see many of my IPC Defect of the Month videos at showing yo
Electronics Forum | Fri Mar 20 07:42:44 EDT 2015 | eezday
Dendrite growth is not typically associated with a flux reation but rather is a result of mechanical stress. The stress can be from any source including stress induced by other components, environment, plating or even bimetallics. Dendrites are most
Electronics Forum | Mon Mar 30 09:25:04 EDT 2015 | dazdoc1977
Hi Guys, I have been given the dreadful task of looking over our SMT costing to make us more competitive in the industry, I am suffering with the cost per comp, I am assuming that the equation: Loaded cost divided by placement rate should land me som
Electronics Forum | Fri Apr 10 12:23:27 EDT 2015 | utosun
The recommended wash concentration for stencil cleaning with VIGON SC200 is 25% and this should be confirmed using the ZESTRON BA-20 bath analysis kit. Additional cleaning recommendations are: Wash temperature should be approximately 25 degrees C. /
Electronics Forum | Mon Apr 06 09:04:31 EDT 2015 | jesseoliveira
Hi all! I work in FA Lab on Brazil. Recently we had a problem with a dye pry analysis of BGA component due to breakage of WLP package (wafer level packaging). In this case, WLP thickness is about 0.28mm and was damaged during pullout process. Our
Electronics Forum | Wed Apr 08 14:41:35 EDT 2015 | kevinb
I have a Quad QSV-1. When I was teaching the fiducials, an error came up on the screen. ABNORMAL PROGRAM TERMINATION came up. It might have read something different but this was close. It then closed out of the quad program and went to the window
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