Electronics Forum: damaged and tracks (Page 1 of 13)

seperation of soldermask and pcb

Electronics Forum | Tue Mar 18 11:53:58 EDT 2014 | sara_pcb

Our contract manufacturing agency have procured pcbs from approved vendor. After assembly we found solder mask separated from the PCB on the epoxy area as patches. The top side is intact. also over the pcb tracks, the mask got damaged. In what c

PCB Identification and Tracking

Electronics Forum | Mon May 05 22:24:17 EDT 2003 | jlipton

We are investigating a system, using 2-D matrix code, that will identify and track every PCB throughout our factory, starting from bare board. As a low-medium volume manufacturer, would labels or laser marking be more cost-effective? How difficult is

Inventory control and maintenance

Electronics Forum | Wed Feb 25 11:42:29 EST 2015 | emeto

What software do you use to track your parts? We use Manex - it is not perfect but still gives you the opportunity to track parts/jobs relations. For example I know in each moment one particular part goes to 5 currently open jobs. You should explore

LPMTF and EMTF

Electronics Forum | Mon Jan 13 10:51:22 EST 2003 | Jean-Philippe

Hi, Is there any places on the web beside UIC.com where we can find informations about LPMTF and EMTF. We have some questions like is there differents size for the track cover, questions like that... Thx J-P

AOI, Quality and SPC

Electronics Forum | Thu Mar 06 11:37:17 EST 2003 | msivigny

Hello Phil, sorry for the confusion, because of our level of defect control and tracking at each process step, we did not use AOI systems at the time. We had a manual inspection station after reflow, then ICT and Functional/Final test for each produc

AOI, Quality and SPC

Electronics Forum | Mon Mar 03 13:18:02 EST 2003 | msivigny

Hello phil, The use of AOI systems give us the opportunity to auto-collect defect information much the way you're using them now. AOI systems become extremely effective when the collected data is used to perform some positive change into the process.

Mydata Pick and place

Electronics Forum | Fri Aug 24 14:56:11 EDT 2001 | Hussman

Paul, All the machines yulisted are very god at placement. One thing to keep in mind is parts availability. Some of our jobs come from the customer in "kits". Not everyone supplies you with a full real of parts. Be sure that the machine you pick

Touch-up and Inspection Process

Electronics Forum | Tue Mar 01 10:50:32 EST 2005 | pr

I think the 1st option would be the best. I have found that a touch up person WILL TOUCH UP SOMETHING, regardless of the electrical needs of the board. This leads to a lot of unnecessary rework of joints. I would hope QC is tracking the defects and t

SPC and Wave

Electronics Forum | Mon Jul 18 18:36:01 EDT 2005 | slthomas

"thomas, why isn't it process control," Minute detail, really. Defects aren't a measurement of process parameters, they're the result of them (and a few other things that have been mentioned). SPC measures process parameters. It is preemptive, and

AOI, Quality and SPC

Electronics Forum | Tue Mar 04 16:50:56 EST 2003 | msivigny

Hello Rohan, this is starting to date nearly 6 years ago but I will remember everything I can, we used a custom interface to input data and everything was stored in a very large database on a specific server only for quality data, I think we used Ora

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