Electronics Forum | Wed Dec 20 10:17:10 EST 2000 | markt
What steps are presently being taken by manufacturers to deal with problems such as layer bond strength, cold flow, and dimensial creep at present? Are there substantial materials research efforts, that you are aware of, in progress that address thes
Electronics Forum | Sun Apr 05 09:46:47 EDT 1998 | Earl Moon
| We are looking at reflow soldering some Flexi-rigid | pcbs. I have heard that IR reflow soldering can make the Polyimide "self heat" and cause de-lamination. | Does anyone have any info. The thermal problems associated with polyimide rigid/flex de
Electronics Forum | Thu Aug 10 13:12:10 EDT 2000 | Bob Willis
You may care to review the following from my Circuits Assembly page on line. "HOW FLAT IS FLAT AND DO WE NEED FLAT CIRCUIT BOARD, YES WE DO ? As production problems go there is one that keeps reoccurring time and time again. The blame is usually di
Electronics Forum | Fri Aug 28 23:32:39 EDT 1998 | Pete Sorenson
| Does anyone have any experience they are willing to share on Ag epoxy used as a copper through hole plating replacement? Was CEM3 used? | What are the limitations? | Thanks, | Steve I have used silver epoxy extensively for conductive bonding applic
Electronics Forum | Fri Feb 13 09:19:12 EST 1998 | Jimmy Blier
Hi! I'm looking to find a training course for PCB design & layout. It would be prefer to be in Canada, if such courses are available here... if not I'll go where ever I have to. The course should be about the following points or more: -Crosstalk -cou
Electronics Forum | Sun Feb 15 10:47:16 EST 1998 | SMT-ASSY
In reference to your Email response, we will propose to you in the next few days a course curriculum which we hope you will find of great interest. As we told you we offer courses for assemblers and techs in PTH, SMT soldering, SMT full process using
Electronics Forum | Fri Feb 13 12:48:24 EST 1998 | Scott Cook
| Hi! | I'm looking to find a training course for PCB design | & layout. It would be prefer to be in Canada, if such | courses are available here... if not I'll go where ever | I have to. | The course should be about the following points or | more: |
Electronics Forum | Mon Mar 30 01:08:12 EST 1998 | terri
| | | Hi! | | I'm looking to find a training course for PCB design | | & layout. It would be prefer to be in Canada, if such | | courses are available here... if not I'll go where ever | | I have to. | | The course should be about the following poin
Electronics Forum | Fri May 25 08:06:19 EDT 2007 | davef
Soldering PTFE boards * Exposure to the high temperatures needed for solder reflow poses no problem of loss of peel strength since the exposure times are relatively short. * There are many different types of PTFE based products that may perform diff
Electronics Forum | Wed May 07 21:20:53 EDT 2008 | davef
Causes of Delamination ["Quality Assessment of Printed Circuit Boards" Lund, Preben; Bishop Graphics 1985 0137450354] The reason for delamination is epoxy starvation in the glass cloth layers or an incomplete curing of the base material. It has been
