Electronics Forum | Fri Jan 30 00:41:04 EST 2015 | neeraj_iiser
Thanks a lot , my application is cryogenic in nature. I am trying to make a Sub-Angstrom resolution Thermal expansion sensor, whose components have been machined out of OHFC copper, and i needed to solder a manganin wire to one of the capcitor plates
Electronics Forum | Fri Feb 20 10:27:37 EST 2015 | emeto
If you are in standard specs, don't even mention it. THe RoHS thing in electronics becomes more and more annoying. I haven;t seen people taking out PCBs from their electronic devices and start to chew them. So it was ok to use gas with Lead for deca
Electronics Forum | Tue Mar 24 22:03:39 EDT 2015 | davef
Here's some notes from IPC APEX 2015: * Black underfill is Heraeus. It needs to be preheated to 180-200*C for rework. Above 200*C it changes state and becomes difficult. * Clear underfill is from an unknown Korean supplier. * People from Heraeus w
Electronics Forum | Sat Feb 28 03:54:20 EST 2015 | thompson
Hi,can I help you? We make the Dual lane reflow oven in China for many years ,and in the past time we offer the machines to Flextronics and Continental automotive. can you tell me that how many zones of reflow oven you are looking for? thank you very
Electronics Forum | Tue Feb 24 15:40:08 EST 2015 | mbartel
I'm new in this industry and need a little direction. I have a wide verity of SM parts on a board, top and bottom. The larger components have a very nice reflow, good shine. The 0402/0201's has a dull almost cold solder look. The boards function and
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 | 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 | 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 | Mon Apr 13 14:04:49 EDT 2015 | capse
Juki GL-1.... Any thoughts? I'm New to the > industry and I'm trying to buy a new screen > printer. I have two in mind, DEK and Juki. Up front qualifier, I'm the EKRA Rep for the southeastern US. I have been involved with stencil printers for abo
