Electronics Forum: smt conditions (Page 6 of 18)

SMT LED functional failure

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

SMT optimization and improvement

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

Mounting 0402 chips

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

Looking for a good SMT entry Machine

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

floor and air conditioning, shop floor requirements

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

Humidity of SMT component storage environment.

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

Re: Help I need DATA on Thermal shock caused by REWORK!

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

Thermal Conditions Causing damage to MSDs

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

Used Equipment from China

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

Looking for a good SMT entry Machine

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


smt conditions searches for Companies, Equipment, Machines, Suppliers & Information

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