Electronics Forum: smd and marking and code and 20 (Page 1 of 1)

PCB Identification and Tracking

Electronics Forum | Tue May 06 09:38:41 EDT 2003 | blnorman

We use both labels and lasers to mark our boards. Since implementing the lasers, the downtime attributed to bar code labels on those lines have dropped to virtually nothing. We still have problems with the labels wrinkling during reflow making read

looking for tape and reel services

Electronics Forum | Tue Dec 01 20:08:45 EST 2020 | nparo

https://matr.com/ My employer uses this service heavily. We build a high mix of Proto and volume boards. Overall turn around time is good, about a week to ship it there and back depending on what is marked priority. Customer service is spot on, and

Re: Bow and Twist of PCB's

Electronics Forum | Wed Aug 19 12:20:24 EDT 1998 | MARK J.

| Hi there, | I'm actually facing a lot of trouble with PCB's presenting up to 3mm of bow /twist at reception i.e. before assembly. The PCB size is 220 by 230mm. The boards are to be assembeled SMD double sides with 05.mm pitch on both sides. In orde

Bar Coding - auto print and apply solutions

Electronics Forum | Tue Mar 20 15:59:15 EDT 2007 | blnorman

We use preprinted labels and laser coding. For PCB we laser mark with CO2 (NdYAG for the aluminum heat spreaders). We either have an epoxy legend to burn out or we burn the solder mask to expose the copper ground plane underneath. Laser is a much


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