Electronics Forum | Wed Apr 16 01:40:17 EDT 2003 | praveen
Hi , We are using water wash solder paste to solder the SMT LED's manufactured by Chicago Miniature lamp (CMD93-21 & 22)and Kingbright. Achieving the solder fillet , wetting has no issue but we observe high fallout at the functional testing. If we do
Electronics Forum | Thu Jun 01 04:51:21 EDT 2006 | EC
Hi TS, Most of the machines will face this problem after been using few years.....I handling SMT equipments ( Fuji machine ) and process.....sorry if I have offened you...... Hi Jack, Firstly, you must able to tell which component having a high thr
Electronics Forum | Sun Oct 09 20:40:28 EDT 2011 | Jacki
Hi We found the misalignment sometime during SMT 0402chips. So, we made the pick up speed a bit slower then the condition was better however it was time-consuming and delay shipment. We r using Yamaha 100Xg SMT M/C and no probelm in mounting 0602 o
Electronics Forum | Thu Jan 24 09:09:13 EST 2013 | ercdave1
Thank you Sr.Tech. I have a little experience with smt machines. the machines were fuji xp series but they were brand new with warranty and service contract that i didnt have to worry about paying for. now i am on my own and trying. the informatio
Electronics Forum | Tue May 07 03:56:30 EDT 2013 | pavel_murtishev
Davef, Thank you. I wonder if you have ever faced with concrete layer thickness selection for SMT shops? All I have found refers to metal treatment shops (primarily milling & drilling). 6" concrete is thick enough for them to stabilize milling machi
Electronics Forum | Sat Jan 20 20:54:03 EST 2001 | fmonette
Dear Mike, As you might have noticed from the labels on the dry bags, the maximum floor life is specified by the component manufacturer and it can range from 1 year (level 2) down to a few hours after mandatory bake (level 6). This limit is based o
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
Electronics Forum | Mon Jan 12 13:15:18 EST 1998 | Yves Trudell
In general terms, guidelines for moisture sensitive devices (MSDs) say that you shouldn't put a component through reflow after it has reached its exposure limit with respect to moisture absorption. When using an automated hot air rework tool to remo
Electronics Forum | Wed Aug 03 10:15:11 EDT 2005 | cyber_wolf
Stefan, Was this machine a Fuji by chance ? Did you buy this machine ? If so why would you or anyone buy a machine sight unseen that is "way overpriced" Just curious.. I have been told by representatives of major SMT machine manufacturers to BEWARE
Electronics Forum | Thu Jan 31 15:58:27 EST 2013 | larrygroves
David, Its real hard to find a quality machine for 20K. Keep in mind that a machine with many years on it will need parts at some point and it can cost a lot to fix them. My advice for what its worth is: 1.check with the companys selling new eq
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