Electronics Forum: 10 (Page 994 of 1925)

Cardboard Box Design

Electronics Forum | Fri Oct 11 05:49:16 EDT 2002 | jason

Hi, Recently I am given a task to perform a drop test on a cardboard tote box. Inside is 180 pcs of assembled PCBA with cardboard dividers. But it was unable to withstand the drop test and thus the some of the boards are damaged. Does anyone ha

Press Fit Backplane connectors

Electronics Forum | Fri Oct 11 17:19:23 EDT 2002 | peterson

The ASG (Tyco) MEP (Manual Electric Press) or the AEP (Automatic Electric Press) are both excellent machines, we have used them successfully on all types of press fit connectors. Give Dante Parenti a call and he can help you out. (215) 784 4530 Or g

via in pad

Electronics Forum | Tue Oct 15 15:16:34 EDT 2002 | Abelardo Rodriguez Santana

We run into that issue all the time. If a corrective action must be done right away. Place Kapton tape on the bottom side of the board to cap off the via. If you have room to place tape if not use pink lady or something to plug the via. And weathe

via in pad

Electronics Forum | Fri Oct 18 22:32:20 EDT 2002 | mdm4ua

If you have room try putting a small piece of tape on the bottom of the stencil right next the aperture that is giving you the problem. The added height of the tape (Kapton tape is usually about 3 mils thick) will likely give you a heavy enough depo

Component designator lengths

Electronics Forum | Sun Oct 13 22:20:50 EDT 2002 | craigj

Have had a request from a customer who wants to use component reference designators of 6 or more charactors. They have a good reason for this from a design point of view but it becomes a problem at manufacture. Our machine (also MRP system) only allo

Component designator lengths

Electronics Forum | Thu Oct 17 01:00:41 EDT 2002 | fdr4prez

Craig, If you have a Juki KE-750/760, or the newer KE-2000s, it will support 8 characters for the designator. The older models only support 5 characters. If you have a KE-750 and/or a KE-760 and you can only enter 5 chars, then call you local Juki

Rating SMT Machines

Electronics Forum | Fri Oct 18 22:19:41 EDT 2002 | mdm4ua

I have three Mydata machines and I am very happy with them. The machines are easy to program as well as operate. They are not as fast as some of the other machines but if you change assemblies often you will likely make up some time in setup and cha

Oxygen Levels in Lead-Free Reflow

Electronics Forum | Tue Oct 15 13:40:23 EDT 2002 | greenman

I'm currently trying to get a feel for what oxygen level I will need in my lead-free assembly process. Do I need to go with the pure vaporized liquid nitrogen, or can I get away with one of the other "on-demand" operations? All assistance gratefully

Matrix Trays

Electronics Forum | Tue Oct 15 13:53:15 EDT 2002 | cnoonan

I am looking for companies that buy used Matrix trays in excellent shape. I have over 5000 trays per month and I am looking to sell them to customers that need trays. We have several types of trays for QFP�s, BGA�s and several other miscellaneous t

Matrix Trays

Electronics Forum | Wed Oct 16 20:54:36 EDT 2002 | J

_a class=roll > href="http://www.semicycle.com/semicycle.htm" > target="_blank"_http://www.semicycle.com/semicycle > .htm_/a_ Funny thing, they never told us they > paid for them, just that they'd provide boxes and > pick them up. I wonder how


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