Electronics Forum: reflow principles (Page 1 of 2)

Full IR Reflow versus conventional convection ?

Electronics Forum | Mon Jan 23 03:17:10 EST 2006 | pavel_murtishev

Good morning, IR reflow is yesterday technology. IR heating principle has a lot of issues with heat transfer capability (shadow effect) and uneven PCB heating. To avoid this forced convection ovens were developed. Reflow oven for SMD soldering must

Paste / Flux during rework?

Electronics Forum | Fri Aug 09 11:58:52 EDT 2002 | sam_b

Just started doing BGA rework. After the removal of the "old" component and after site cleaning/component reballing I am ready to install the component on the PCB. It is recommended to apply flux or paste to the board/component. I would appreciate m

Re: Who Uses Air Sleds?

Electronics Forum | Thu Jul 16 12:50:57 EDT 1998 | joe devaney

Dave, We have a rigging company that uses what we call airbags, the same principle like and upside-down air hockey puck. We have moved Fuji machines, verticle carousels (fully loaded with parts), reflow ovens etc. and wouldn't move another machine

free e-books download

Electronics Forum | Sun Nov 27 20:47:51 EST 2005 | lerry king

such as : 1, Proof of Design (POD) The DFM/CE Book for Printed Circuit Boards, Assemblies and All Manner of Other Things Technical - by Earl Moon 2, Surface-Mount Technology for PC Boards James Holloman PROMPT Publications July 1995 509 pages 3,

Flason SMT Products

Electronics Forum | Wed Oct 03 23:59:44 EDT 2018 | gaintstar

Flason SMT problem solving: http://www.flason-smt.com/new/PRINCIPLE-OF-SURFACE-MOUNT-PROCESS-SMT-PROCESS.html http://www.flason-smt.com/new/Printed-Circuit-Board-PCB-Price-Estimator.html http://www.flason-smt.com/new/Printed-Circuit-Board-Solder-res

Batch Ovens

Electronics Forum | Fri Nov 04 11:29:46 EST 2005 | JeffP

Jay, I work for a company that manufactures batch reflow ovens however, I will try to be as subjective as possible. For the most part, what others have posted is true. Yes, there is one heating chamber and if the heater does not have enough power

0201 solder beading

Electronics Forum | Fri Sep 21 14:03:45 EDT 2001 | jschake

I have observed solder balling for all aperture sizes tested. Solder balling levels appear to be better correlated against the amount of solder paste that is underneath the 0201 component terminations after placement rather than comparing this to th

Automation Equipment Registration Fees

Electronics Forum | Wed Jun 11 16:45:09 EDT 2003 | jgregory

I do not agree. We were even told that if we do not pay, and we need to order parts, that there is no guarantee of receiving the right part number (since we didn't/couldn't use phone support for correct part numbers) and if the wrong part was receive

Printer and Reflow Oven Recommendations

Electronics Forum | Fri May 15 21:39:48 EDT 2015 | jlawson

Reflow.. 1.Rehm (Germany) - Best in Class Best overall process stability heating system ( Alot of makers have started to copy there VX heating arrangement ). COnveyor chains can be a bit more attention in terms of maintenance on rehm , but if foll

Re: Intrusive reflow..from the bottom..????

Electronics Forum | Mon May 24 04:01:10 EDT 1999 | Joe Manzur

John, We are using a well known solder paste, begining with the letter "H". (I don't want to be accused of advertising). Also, we are now using a board inverter. In the early day's however, before we purchased a board inverter, we were having to

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