Electronics Forum | Mon Apr 19 13:17:00 EDT 1999 | Dave F
| Dear all | Considering Anti static precautions? | 1-Do we need to add a layer of ...say . Epoxy for the floor in our factory? | provided that .The current floor is hard top concrete of 250 Kg/cm2. | 2- Anti body heared about Wire less Hand strap So
Electronics Forum | Mon Apr 19 08:50:46 EDT 1999 | J.H.
25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo
Electronics Forum | Mon Apr 19 14:38:01 EDT 1999 | Chrys Shea
25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo
Electronics Forum | Mon Apr 19 22:52:59 EDT 1999 | Dean
25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo
Electronics Forum | Tue Apr 20 23:18:48 EDT 1999 | KEVIN SIMPSON
25 PPM)! | | 1. Is there a better process to solder the leads of QFP's with lifted "minute" lifted leads still having a realiable solder joints? | | 2. Or has anybody tried modifying solder pads and use thicker solder paste deposit to compensate fo
Electronics Forum | Fri Apr 16 17:19:59 EDT 1999 | Dave F
| | Hi, | | I just cheesed my previous attempt at this. I looked through IPC 600 and couldn't find anything relating to dimensional stability of a board with regard to stretch. I found bow and twist but nothing on size. I have a PCB that is .030"
Electronics Forum | Fri Apr 16 19:02:39 EDT 1999 | Dave F
| While trying to sell me a low temperature baking system for SMDs the salesman mentioned that the 125C for 24hr bake had been known to cause co-planarity defects. | I thought I'd ask some experts. Any help guys? | Gerry: I imagine there could be s
Electronics Forum | Fri Apr 16 19:52:39 EDT 1999 | Scott McKee
| While trying to sell me a low temperature baking system for SMDs the salesman mentioned that the 125C for 24hr bake had been known to cause co-planarity defects. | I thought I'd ask some experts. Any help guys? | Let me get this straight... He's
Electronics Forum | Thu Apr 15 14:56:43 EDT 1999 | Dave F
| Can anyone suggest or identifiy standards which tabulate the following: | | Conductor width, cross sectional and area conductor thickness for PCB's carrying up to 70 Amps? | Barry: Check: 1 Printed Circuits Handbook (Clyde F. Coombs) 2 Microel
Electronics Forum | Fri Apr 16 11:23:26 EDT 1999 | Scott McKee
| | Any recommendations for a reballer for BGA and mBGA? Low volume, low cost appreciated! | | | Dave: I don't believe that reballing BGAs that go into customer products is a good idea. Check with your BGA supplier to determine their recommended
