Electronics Forum | Tue May 11 07:50:52 EDT 1999 | Graham Naisbitt
| If I clean my assembly and find no visable contamination with the unaided eye, do I need to do cleanliness testing prior to conformal coating? | Douglas, It is highly advisable to test for ionic contaminants because a coating seals in as well as
Electronics Forum | Fri May 26 04:58:19 EDT 2023 | auriga2001
I agree with the two other replies. Left alone, it is a defect. If it's just excess adhesive or coating, you can use IPC-7711/7721 'Rework, Modification and Repair of Electronic Assemblies' for guidance on removing. Section 2.3.1 explains how to te
Electronics Forum | Mon Sep 22 16:09:15 EDT 2003 | Joe
Help Please! A friend of mine works for this company (a novice in the hardware world), they are thinking about covering their PCBAs with Epoxy (don't know what) so to prevent hackers from damaging their PCBAs - they claim it is costing them too much
Electronics Forum | Mon Sep 22 16:10:35 EDT 2003 | Joe
Help Please! A friend of mine works for this company (a novice in the hardware world), they are thinking about covering their PCBAs with Epoxy (don't know what) so to prevent hackers from damaging their PCBAs - they claim it is costing them too much
Electronics Forum | Sat Oct 21 03:55:14 EDT 2000 | DL
Dennis, I've seen this before, and in our case we didn't need to seal the edges because there was no concern of shorting or anything in the end product, this is a choice you will have to make, Does your end product have any protrusions or mounting h
Electronics Forum | Sun Aug 13 00:15:58 EDT 2017 | deanm
We manufacture low volume, high reliability assemblies (class 3) that are conformal coated. Up until now we have been cleaning after SMT, then after through hole, then immediately prior to coating with test, formal inspection, etc. between cleaning p
Electronics Forum | Fri Aug 31 08:45:33 EDT 2001 | 0704494250
Hey peoples, We are working with the dairy > industry out here and they asked us to start > reworking all there boards for them. Of course we > said yes, hehe. Only we didn't know what them > farmers coated them boards with. It turned out to
Electronics Forum | Thu Oct 22 15:10:00 EDT 1998 | Chris Fontaine
| I'M LOOKING FOR A SOLVENT TO MAKE REMOVING EPOXY FROM THE BOTTOMSIDE OF BOARD ON SMT COMPONENTS. THIS IS MOST IMPORTANT AFTER THE EPOXY HAS CURED AND EVEN RAN THROUGH THE WAVE. I'M LOOKING FOR A WAY OF | MAKING THE REWORK PROCESS ON THE CURED EPOX
Electronics Forum | Wed Sep 02 16:37:18 EDT 1998 | SMT-ASSY
We sent you our brochures through your Email address. SMT-ASSY Electronique Inc. offers training to operators, technicians, engineers or any other individuals that requires hands on training on hand soldering, board rework and the surface mount tech
Electronics Forum | Thu Feb 03 21:17:07 EST 2000 | Dave F
AF: Unfortunately, there is no "acceptable number of cycles" either in air-to-air and one liquid-liquid thermocycling, nor interconnect stress testing. There can be a "minimum threshold" that would assure no failures as the result of the assembly p
