Electronics Forum: shorts (Page 175 of 195)

AOI Machines...........

Electronics Forum | Tue Dec 13 07:01:56 EST 2005 | clampron

Good Morning, We are currently using 4 Mirtec machines. We decided on the Mirtec after a side by side evaluation of several tabletop machines. I have to admit that Yestech was not one of them. However, after the evaluation, the Mirtec outperformed t

Via holes and Wave Solder

Electronics Forum | Mon Mar 13 14:26:45 EST 2006 | Wave Master Larry

Well, im not sure what plane you guys are on, but I can back up my what im talking about. Ya see I wnet to Soltec traingin back in 1995 for our new wave. I got a diploma proofing that I know what i'm talking about. no one else in my company has on

humour

Electronics Forum | Thu Jun 08 07:31:14 EDT 2006 | slaine

Saw this and thought you may find it amusing. How many forum members does it take to change a light bulb? 1 to change the light bulb and to post that the light bulb has been changed 14 to share similar experiences of changing light bulbs and how t

Fixture Material

Electronics Forum | Wed Nov 01 22:58:31 EST 2006 | davef

Durastone is commonly used in flooring. Durostone is a proprietary product of R�chling Permali Composites SA [be aware this is a French company] that many use for reflow and SMT process pallets. Suppliers are: * R�chling Permali Composites SA; Canog

QFNs (LCCs)

Electronics Forum | Fri Dec 22 16:04:26 EST 2006 | mika

Hi, This Not so easy as one wuold think. Has the thermal pad of yours vias? How many? What's the via's dia? What is the pcb thickness? If the the pcb has a "ground layer" connected (vias) to the pcb thermal pad, it could sometimes be a little bit tri

How long does it tkae for Tin-Lead solder to rust if put outside

Electronics Forum | Thu Sep 27 23:24:22 EDT 2007 | mika

Fe2+(aq) + 2e- "harply, but this is of no consequence since OH- ions are always present, even in pure water.) The cations then react with the OH- or even the H+ ions and dissolved oxygen to form a variety of compounds, which constitute rust: Fe2+(aq

Unusual board with BGA

Electronics Forum | Fri Dec 21 15:32:57 EST 2007 | rwyman

Hey SWAG- Not an uncommon scenario where I'm at. But the bottom line is, as others have said: Profile, profile, profile. Here, we have dedicated profile boards for each product we build and in most cases they're EXACT representations (my library i

Stainless Steel tabs in brd assemblies

Electronics Forum | Thu Jan 03 17:00:20 EST 2008 | davef

Recommended procedure for soldering stainless steel [Atlas Steels Australia]: * Surfaces must be clean and free of oxidation. * A rough surface improves adherence of the solder, so roughening with grinding wheel, file or coarse abrasive paper is reco

Ultra low cost pick & place?

Electronics Forum | Wed Nov 04 17:47:51 EST 2009 | locostpp

Q3/2009 been and gone. We are moving forward with low cost p&p, quite a few things have changed. We are applying for a number of patents for the feeders, placement head design, servo design, calibration system , etc... We now expect the price of t

Vitronics Delta 5

Electronics Forum | Thu Jul 17 10:09:06 EDT 2008 | dfhoadle

Were dealing with firmware issues for the stepper > motor, as well as communications problems with > the software. Vitronics is looking into it... > again, but even they seemed to be stumped. You > may want to ask your rep about it. Our machine i


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