Electronics Forum | Mon Oct 28 08:27:53 EDT 2013 | emeto
There are many profilers(physical devices) on the market. Most of them have software that makes predictions based on information about the paste, oven model...., but I wouldn't trust the predictor as on your boards you will have different parameters
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
Electronics Forum | Mon Jan 20 11:07:18 EST 2014 | jorge_quijano
Hola We will start producing flex cables soon for a new project, we've never built them in house, we have no experience in this field, most of our products are PCBA & Backplanes. I'm guessing that I can run this cables using a fixture to secure the s
Electronics Forum | Fri May 30 20:03:14 EDT 2014 | hegemon
Starting with the manufacturers layout is a good start. Tilted parts, bad solder joints, sounds like a wetting issue and the board or the parts. Insufficient solder sounds like the printing process needs some attention. We have used this part in th
Electronics Forum | Fri Jun 06 16:25:03 EDT 2014 | spitkis2
Component manufacturers subject their lots to thermal / reflow testing per IPC /JEDEC STD-020. This involves running the parts through an oven 3X with a peak above 260C. I am not certain if passives go through the same test (theoretically they shou
Electronics Forum | Thu Jun 12 08:35:25 EDT 2014 | jax
I don't fully understand what you are trying to do... 1. Reflow Solder in a Vacuum Temp Chamber 2. Vapor Phase / Condensation Solder with Vacuum 3. Contact Heat system with Vacuum 4. Inline Reflow Oven with Vacuum ... or what you are trying to sold
Electronics Forum | Thu Jun 12 09:42:06 EDT 2014 | spitkis2
I am looking into Vapor Phase with Vacuum and Inline Reflow with Vacuum (besides Heller I believe a German company SMT has something comparable). There are a couple of companies I found that make vacuum ovens for soldering of hybrid microelectronics
Electronics Forum | Wed Jul 16 12:13:27 EDT 2014 | deanm
Thank you for your comments so far. I believe I threw some people off by my wording. Clarification: How feasible is it to run a board straight into the reflow oven without inspecting it first for any placement defects? Is nudging parts and performin
Electronics Forum | Thu Jul 31 08:02:16 EDT 2014 | philc
Our company occasionally has the need to rework BGA's, and we currently do this a rather long-winded way, using the stencil to paste the BGA, and then placing by hand. Sometimes we have to use an IR machine to re-flow the part, and at other times, we
Electronics Forum | Wed Aug 06 04:23:01 EDT 2014 | philc
For SFC.... Thanks for the link. Will check that one out some more. For Hedgemon, That is an alternative idea. We actually place the BGA over the print screen and run paste over the reverse, thus laying a film of paste over the BGA balls. This seems
Reflow ovens for automated SMT PCB assembly, specializing in lead free processing and nitrogen reflow. The best convection reflow ovens on the market.
4 Vreeland Rd.
Florham Park, NJ USA
Phone: 973-377-6800