Electronics Forum | Wed Oct 11 18:12:55 EDT 2023 | alexv
I don't think it's a stencil issue. You have an identical inductor next to t=it, that's perfectly straight. You have a problem in that location. I've seen some inductors be affected by slight magnetic forces in the reflow oven. Try to rotate the boar
Electronics Forum | Thu Sep 09 12:01:35 EDT 2010 | davef
We're guessing the ink wasn't fully cured, when they finished the ENIG. If the supplier is correct that it was your 'process that is caused the changes,' then they certainly won't mind you bringing over a couple of unstuffed boards and running them
Electronics Forum | Wed Aug 08 12:14:26 EDT 2012 | jorge_quijano
Hi, We have a client requiring us to use a Vapor Phase Reflow Oven instead of our convection oven, the new PCB design will be ~9.3mm thick with some SMD & Pressfit connectors, does the PCB thick could be the cause of they requiring us the Vapor Phase
Electronics Forum | Wed Sep 08 13:09:40 EDT 1999 | Joe Wayt
Hello: We are using a Heller 1500S reflow oven to solder surface mount parts. Just within the last two weeks, the larger I.C.'s are moving while going through the oven. The parts are checked for placement before putting into the oven. When the
Electronics Forum | Wed Jan 13 13:00:14 EST 2016 | anvil1021
We are experiencing a few issues every now and then with acceptable reflow results? We have changed solder paste, thus reflow profile types and even reflow ovens but we still seem to get some not so good reflow on certain pcbs. We can even take PCBs
Electronics Forum | Thu Feb 19 22:17:15 EST 1998 | Brian Morgan
| | I am currently evaluating some different reflow ovens | | for a future purchase. The manufacturers we are | | looking at are Conceptronic, BTU, and Heller. Any | | feedback on these manufacturers would be welcome. | | I am particularly interest
Electronics Forum | Sat Sep 12 10:46:46 EDT 1998 | Dennis B
We're installing our first SMT line and my boss asked me a question I couldn't answer right off the top of my head. I have been an SMT process engineer for about 12 years and I guess this just never came up before. I was surprised but it made good se
Electronics Forum | Fri Nov 03 13:48:39 EST 2006 | monty
I have a BTU Reflow 8 stage (PCDIU software) oven. The max temp. that it will allow is 270 degrees. I am trying to use a High Temp solder paste and the profile states that I must go between 260 and 270 degrees. My question is, is there a way to incre
Electronics Forum | Wed Jun 13 16:20:33 EDT 2001 | Gregory Stanton
Does anyone know of a quick method for developing reflow profiles for a Conceptronics HVA 102 reflow oven? Our plant is exceptionally busy and it's difficult to get access to the machine. I've been told by a few folks the oven has enough zones (7)
Electronics Forum | Wed Apr 21 08:53:04 EDT 2004 | TONY
I am having problems with one certain board that is gold immersion. I know it is not oven problems or part problems because it is various parts that are moving during reflow. Also I have not had problems with any other boards going through the same
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