Electronics Forum: conductor damage (Page 1 of 2)

Stencil design for flex-rigid PWB

Electronics Forum | Thu Sep 16 15:28:06 EDT 2004 | rohman23

Actually, it's not even close to 3/8". It's more like 0.075"...not sure what I was smoking last night (I tried to guess on dimensions from my house, and now I have one in front of me). Anyway, to answer your question, the bulge is in between side A

Probing Vias

Electronics Forum | Wed Jul 20 15:05:28 EDT 2005 | Fred M.

With the new rev D release of IPC-A_610 came a new section 10.2.9.3 which identifies a via (through hole) with nicks along the inside of the annular ring. Defect is all three classes and states "Damage to conductor or lands". We have for years defa

Re: OA core solder stranded wires

Electronics Forum | Tue Jan 05 18:07:53 EST 1999 | Dave F

| I am looking for information regarding post wave soldering of stranded wires into a circuit board using OA core wire solder. We do a final pass thru the cleaner after the hand soldering but I'm concerned about any OA flux residue that may have wic

Flat flexible cable to PCB (RoHS assembly)

Electronics Forum | Thu Dec 28 16:17:23 EST 2006 | joey_dragon

Good tidings, all. I am looking for a machine that will allow us to mount a flat flexible strip (such as TennRich's B.Type) to a row of pads on a PCB. I have not much knowledge about the process, I guess I expect to see a machine with some hot bar.

Fillet Tearing

Electronics Forum | Thu Mar 23 22:26:53 EST 2006 | Joseph

Dear all, Referring comment from Mr. Jack,IPC director certification & assembly technology, the term "fillet tearing" is too broad. Cracks or fractures in the required fillet area, with SnPb or LF alloy and whether you call it tearing or not, is a D

Photopolymerized Conducting Polymers

Electronics Forum | Wed Mar 10 17:03:52 EST 1999 | Morziana Hasan

NASA CommQuest Photopolymerized Conducting Polymers Directions: 1.Please read the information provided on this technology. You may follow the links to additional information resources below. 2.After evaluating the technology, please answer the

Re: Qualifying new PWB Vendors

Electronics Forum | Fri Jan 15 16:55:50 EST 1999 | Chrys

| | | Hello, | | | | | | We are qualifying new sources of PWB vendors. We've got the first lot of "produciton" boards in and we want to put them through the paces before turing the vendors on. | | | | | | So far, the tests I can think of performin

Re: Help I need DATA on Thermal shock caused by REWORK!

Electronics Forum | Sat Oct 02 20:19:19 EDT 1999 | John Dwinell

| | I am currently in the middle of a company wide war and I'm looking for data (AMMO). Here are the problems: | | | | 1) I am looking for anyone who has done or seen any reports on Thermal Shock to smt parts and/or via holes caused by Soldering Ir

Cool technology, minimal applications

Electronics Forum | Thu Mar 11 10:31:57 EST 1999 | Justin Medernach

| NASA CommQuest | | | Photopolymerized Conducting Polymers | | Directions: | 1.Please read the information provided on this technology. You may follow the links to additional information resources below. | | 2.After evaluating the technology,

Re: Qualifying new PWB Vendors

Electronics Forum | Fri Jan 15 17:13:07 EST 1999 | Earl Moon

| | | | Hello, | | | | | | | | We are qualifying new sources of PWB vendors. We've got the first lot of "produciton" boards in and we want to put them through the paces before turing the vendors on. | | | | | | | | So far, the tests I can think of

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