Electronics Forum: mike (Page 86 of 118)

Full IR Reflow versus conventional convection ?

Electronics Forum | Mon Jan 23 14:20:32 EST 2006 | gipos

Hi Chunks, Thank you very much for your advise.It is realy helpfull.Seven years of experience are the most precious. But we have already payed the Universal Full IR.We can use it for curring of glue and paint.Do you know where we can find user or se

Full IR Reflow versus conventional convection ?

Electronics Forum | Thu Mar 23 18:31:31 EST 2006 | Chris

Mike, Have you contacted Universal Instruments yet? If not you should call them. If I am thinking of the same oven, this oven was manufactured by ETS (Energy Technology Systems) or http://www.energytechnologysystems.com. I take it you bought this

Full IR Reflow versus conventional convection ?

Electronics Forum | Thu Mar 23 19:46:28 EST 2006 | gipos

Hi Criss, It is Universal 4816 CRS.It have touch screen and "Keypad sound" speaker.Each time you touch the screen it give nice sound.I have tried with universal in EU but still waiting for an answer. It is from ETS.On all the control PCBs it is ETS p

Conformal Coat (Urethane) & bubbles

Electronics Forum | Tue Jan 24 19:00:15 EST 2006 | MikeF

Graham Naisbitt is definitely an expert on conformal coating, he has posted answers here for years. Check your material to see what the cure mechanism is. Most urethanes need moisture from the air to cure, the higher the relative humidity the faste

SMTassembly training videos or books

Electronics Forum | Sun Jan 29 14:10:14 EST 2006 | gipos

Hi GS, We are contract manufacturer for small series of electronic equipment fully trained for SMT.Making mostly RF with only few QFPs,TSOPs...SMT machine assembly was made by local subcontractor when needed. Recently we acquired two Juki 730 machin

Lead-free and Leaded solder in the same reflow

Electronics Forum | Fri Feb 03 16:40:24 EST 2006 | Mike

At my last employer, we ran a number of tests to make a "Hybrid" profile work (same profile Joe lists) . It worked great for everything but BGAs. The problem (6 months ago) was using parts not rated for lead free reflow temps. As the market fills wit

Necessity of ROSE in commercial quality processes

Electronics Forum | Sun Feb 26 21:48:28 EST 2006 | Mike Konrad

Hi GS, Just a clarification� No-clean does NOT equal no ions. It equals less ions (at best). Automatic R.O.S.E (Resistivity Of Solvent Extract) testers are commonly used to detect ionic contamination from no-clean applications. Your comment rega

zevatech 730 help

Electronics Forum | Thu Mar 02 05:07:51 EST 2006 | pavel

We have bought an old zevatech 730 in Bosch auction (hello MikeZIG). There seems to be something wrong with the X axis servo, the machine is vibrating when the head is moving fast (in fact the machine is dancing, in the race with washing machine it w

Stencil Cleaners

Electronics Forum | Tue Apr 04 11:43:06 EDT 2006 | Mike Konrad

Here's a "flameless" reply... I�ll allow others to recommend� Here is a list of the �usual suspects�: Aqueous Technologies Batch and inline de-fluxers Ultrasonic stencil cleaning systems De-fluxing and stencil cleaning chemicals www.aqueoustech.co

Issues with No Clean Resdue??

Electronics Forum | Wed May 10 11:03:04 EDT 2006 | Mike Konrad

I would be far more concerned about the flux residue intentionally left on the board than the �dust bunnies� sticking to the flux. In �perfect� no-clean applications, flux residue, although present, is nearly invisible and marginally conductive. In


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