Electronics Forum: warp (Page 6 of 52)

SMT Connectors: Corner legs lifts.

Electronics Forum | Thu Jan 16 10:07:12 EST 2020 | davef

Hej back at ya Your connectors could be warping during reflow. Find out by putting a connector on a hot plate and increasing the temperature. If so, you might get away with a simple fix of rotating the board 90* on your reflow oven conveyor. If you

Flat Plate

Electronics Forum | Thu Sep 26 11:06:45 EDT 2002 | slthomas

Maybe you're well ahead of me, but make sure you search the archives for "bow" and "twist" as well as warp.....

Multiple reflow cycles

Electronics Forum | Thu Mar 20 09:40:33 EST 2003 | russ

Are you warping the BGA or the PCB? Russ

PCB Warpage

Electronics Forum | Fri Apr 08 09:10:34 EDT 2005 | Dhanish

What would be the problem during SMT process if the board warps?What is normal warpage allowed in SMT equipment?

Screen printing warped boards

Electronics Forum | Thu Apr 20 14:37:29 EDT 2006 | Chunks

The newer MPMs use the camera to find the board edge - no mechanical stops like AP and DEKs.

Low Silver Solder Problems

Electronics Forum | Tue Aug 25 20:13:52 EDT 2009 | tstrat

250C. Neither of the package or PCB appear to be warping during reflow.

PCB Warps

Electronics Forum | Wed Dec 22 18:16:46 EST 2010 | padawanlinuxero

Hello ! I have a problem with one of high runner, our board comes in a seal package with dessicant cant really tell you how much RH% is inside the bag, but our board does not spend a lot of time in the shelf just some days or a couple of weeks max,

Oven Shutdown Temperature

Electronics Forum | Fri May 04 05:26:20 EDT 2012 | mrross

We do this If you shut down without cooling first it could warp the chain

Very thin laminate substrate problem with solder printing

Electronics Forum | Mon Jan 30 15:32:14 EST 2017 | davef

so, why are your laminates warped? What needs to be done to correct that issue?

Conformal Coating Killing Circuits

Electronics Forum | Thu Jul 30 10:03:53 EDT 2020 | philc

If the PCB is thin, is it possible that the board is warping slightly during the curing process?


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