Electronics Forum: smt chip components place up side down (Page 1 of 8)

SMT Component placed upside down

Electronics Forum | Tue Aug 02 11:58:44 EDT 2005 | GS

Are the pick up nozzles metal made (ironmagnetic material)? Some time magnetic residual on metal nozzles can generate pbm like that when chips terminations have nickel and when SOt or similar packages have terminal A42 alloy made. Time ago got pbm l

SMT Component placed upside down

Electronics Forum | Mon Aug 01 17:54:02 EDT 2005 | Stefan

If you are using vib. feeders than the component may be flipped length wise by the following components. Components should be landing with the leads on the right side but upside down. If you are using tape feeders the component may be flipped sideway

SMT Component placed upside down

Electronics Forum | Wed Jul 27 22:43:10 EDT 2005 | crishan

Hi all, Having a major problem with an IC being placed upside down. We pick up the fault at AOI. We have check several reels and the component is not placed upside down by the supplier. Where should I start looking; 1. Are we using an incorrect fee

Bottom side SMT wave vs. top side reflow yields

Electronics Forum | Thu Aug 29 20:04:13 EDT 2002 | davef

Steve: I agree. Let�s break it down. * I�d rather print paste than glue any day of the week * But I know yera �Dispenser Boy�. In that case, I�d rather dispense glue than paste. * PTH / primary and SMT / secondary is a tough process either way you

Pick & place

Electronics Forum | Mon Mar 26 13:49:16 EDT 2007 | grantp

Hi, I don't know anyone who uses Mancorp, and apart from this forum have never heard of them. I guess the big problem I faced when getting into SMT is trying to find a machine that could do what we wanted at a good cost. I originally purchased MYD

Re: smt reliability vs thru hole

Electronics Forum | Tue Jan 18 12:36:11 EST 2000 | Dave F

Dave: I haven't located something to support your contention, yet, and I'm not going to comment on the factors that drive reliability beyond component selection, because I know that you've got some sweaty-palmed sales type wringing his hands waiting

Re: SMT components Fall Off

Electronics Forum | Mon Jun 14 15:50:07 EDT 1999 | JohnW

| I am looking for more information about: | | 1) What kind of evaluation can I do to measure the resistance to fall off of a bottom side glueded SMT component?; | | 2) There is some influence of doble wave solder machine (temperature, flux, etc) i

Upside down placement of a crystal oscillator is acceptable ?? As per IPC 8.3.2.9.2 clause its define Rectangular or Square En

Electronics Forum | Tue Jul 19 10:28:21 EDT 2016 | mrk

What kind of oscillator are you placing (Manufacturer part #)? I do not believe that oscillators fall under the "chip component" category. Even if they did, most all SMT oscillators that I have come into contact with have 1 sided terminations on the

SMT machines obsolescence

Electronics Forum | Fri Jun 27 08:34:01 EDT 2003 | caldon

You should also look at the Semiconductor assembly side as well. Datacon and others are working hard to knock down the barriers between SMT and Semi. Also look at process obsolescence! Flip chip has been around for year but has not made it into main

New SMT line - Need equipment selection help

Electronics Forum | Thu Jun 02 18:16:26 EDT 2005 | URI

Look into the Juki KE-2060E machine. I have been > extremely pleased with this machine. It will > hold 80-8mm feeders, place 0201 (0603-metric) up > to 74mm square ICs and BGA, 150mm long > connectors. Up to 25mm tall components. It can > ha

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