Electronics Forum: 1155 (Page 1 of 3)

Autospraying Conap CE 1155

Electronics Forum | Wed May 19 20:00:21 EDT 2010 | jry74

I am planning on trying to autospray CE 1155 using an SCS precision coat. Does anyone out there currently do this? If so, can you share any information and parameters such as mixtures, methods, head configuration, conveyor baking. ANY information

Conathane CE 1155-35 Conformal Coating Issues

Electronics Forum | Mon Sep 26 16:48:32 EDT 2005 | PWH

Are you using masking? Conformal coat will de-wet (no pin holes usually, though) due to masking tape adjacent to affected areas if the tape glue chemistry isn't compatible with the conformal coat.

Conathane CE 1155-35 Conformal Coating Issues

Electronics Forum | Tue Sep 27 11:46:02 EDT 2005 | jimby

surface tension of solder mask material on the board. Need to rough it up prior to board assembly. Use Silica (cabosil) and IPA mixture and rub

Conathane CE 1155-35 Conformal Coating Issues

Electronics Forum | Tue Sep 27 12:04:35 EDT 2005 | Amol

Thank you patrick and jimb for you suggestions, will try them out and keep you posted. Amol

Conathane CE 1155-35 Conformal Coating Issues

Electronics Forum | Fri Sep 30 11:00:14 EDT 2005 | Amol

i tried scrubbing the boards with xylene when they are hot from the bake, the the pockmarking seems to have almost disappeared! Amol

Conathane CE 1155-35 Conformal Coating Issues

Electronics Forum | Tue Sep 27 09:18:17 EDT 2005 | patrickbruneel

Amol, Have you tried to conformal coat a bare board as it comes in from the board shop? If you still have the same results at least you know the problem is not related to your process. If you don't have the problem you need to have a closer look at

Conathane CE 1155-35 Conformal Coating Issues

Electronics Forum | Mon Sep 26 15:17:54 EDT 2005 | Amol

Hi, I am spray coating PCB's with the above mentioned coating. The problem is that as soon as the boards are coated, there are pin holes on the surface that subsequently turn into localized areas of dewet on te PCB (its almost as it the coating is fl

Conathane CE 1155-35 Conformal Coating Issues

Electronics Forum | Tue Sep 27 08:22:27 EDT 2005 | Amol

I am using masking tape, the 3M high temp blue masking tape. the problem though doesnt seem to be related to the masking tap as i am seeing pin holes and eventual dewets over entire ckt board (its almost as if the board has chickenpox under black lig

Dek 265 GSX motor comms failure ...

Electronics Forum | Fri Mar 23 14:50:29 EDT 2012 | actualdektech

call 847-368-1155 option 3 for the DEKUSA Helpdesk

BGA shorts

Electronics Forum | Wed Feb 14 16:03:54 EST 2001 | lileubie

Do you have a stencil wipe step after every six boards? If so, the wipe either automatic or manual needs to be optimized. Either less solvent or more time for the solvent to evaporate off.

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