Electronics Forum: web (Page 96 of 132)

Pad2Pad 1.3.0 available for download

Electronics Forum | Tue Jul 06 04:08:11 EDT 2004 | Pad2Pad.com

Hi All, A new version of Pad2Pad 1.3.0 is available for download. It contains multiple new price-time combinations. The list of parts and footprints is extended with DIP sockets, diodes, electrolytic SMT capacitors, popular transistors and ICs. Yo

Can excessive reflow(longer dwell time) cause open joint?

Electronics Forum | Fri Jul 30 17:20:09 EDT 2004 | Francois Monette

A couple of other potential issues are moisture/reflow related issues. This can include internal delaminations inside the component, potentially breaking or lifting the wirebonds. It may also induce warpage where the corners of the BGA will curl up.

Good Profiler for reflow ovens

Electronics Forum | Tue Aug 17 03:26:57 EDT 2004 | soease

Well, regarding the paste specifications, it's no problem to add yours if it's not allready defined in the default library; parameters are for example, soak temp min & max, liquidous, ramp positive max, spike ramp min & max, all timings and so on. n

Freshman in SMT industry needing advice

Electronics Forum | Thu Mar 04 22:57:32 EST 2004 | Ken

I have an Aqueous Technologies stencil cleaner and I can see many SAWA advantages over the "larger" machines. 1. Floor space savings 2. Chemical cost (up to 30 dollars a gallon) 3. Hand ultra sonic cleaning could never destroy the webbing and bon

Freshman in SMT industry needing advice

Electronics Forum | Tue Mar 09 14:22:09 EST 2004 | billschreiber

There is an article on our web site by Richard Clouthier, �SMT Stencil Cleaning: A Decision That Could Impact Production.� He talks about how high pressure sprays can damage the delicate land mass areas between fine-pitch apertures. High pressure ai

How actually the process of Electrofoam Stencil?

Electronics Forum | Fri Jan 07 13:17:48 EST 2005 | bschreiber

3) There are several papers on the safety of cleaning PCBs and ICs using ultrasonic technology. The latest is in the October 2004 issue of SMT magazine by William Kenyon, "Why Not Ultrasonics?" Most of the studies have been performed by Dr. B.P. Ri


Electronics Forum | Tue Feb 08 22:37:03 EST 2005 | davef

Your company has chosen to define its requirements for tracebility as it has. So, people there should be able to help you understand their purpose and intent. For instance: * We distinguish between 'repair' and 'rework'. Repair requires a MRB ac

5 zone reflow oven

Electronics Forum | Wed Feb 23 17:39:11 EST 2005 | Austinj

I am most familiar with Heller (10 yrs. of 1088 4 zone - 1800 8 zone ovens) and find them to be very reliable. Other Manufacturers may have five zone ovens on the used market. (I used Petlock as an example because you could get data sheets/specs from

Reflow Profile ENIG Vs. Immersion Ag

Electronics Forum | Thu Mar 24 07:06:06 EST 2005 | davef

There's a lot of comparison tables on the web. Here's one: Properties - Summary [A Winlow Circatex] Attribute Hasl Immersion Silver Immersion Tin Electroless Pd OSP Eless Ni / Imm Au Shelf Life (months) 12 12 12 12 12 6 Multiple Reflows

MV2C PCB Camera -- Need replacement

Electronics Forum | Mon Jun 06 10:43:23 EDT 2005 | ratsalad

Hello there, We have a Panasonic MVIIC with a bad PCB camera. The amp is fine, we tested that by swapping it with the small and large parts camera. When the machine is shut down for a while and we bring it back up, it takes hours for the PCB camer

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