Electronics Forum: jeff downs (Page 1 of 3)

0201 Aperture design

Electronics Forum | Thu Oct 03 18:45:56 EDT 2002 | davef

Get started with an "On-Board Forum" [blue bar an inch down from the top of the page] moderated by Jeff Schake at DEK that was a discussion focused on stencil printing issues with 0201 technology. Chris: Are you putting 0201 on flex? If so, sounds

Re: patches

Electronics Forum | Sun Nov 14 11:45:08 EST 1999 | Jeff Ferry

Back to Wolfgang's original request. Stacking chip components is just one of many unusual mods that are being added to IPC 7711 Rework of Electronic Assemblies. While some may deem this technique unacceptable, it is a relatively common practices

Low VOC stencil cleaning fluid

Electronics Forum | Wed May 21 10:01:36 EDT 2003 | caldon

Zestron Has PDF down loads available on the Product listed above. Also, Contact Jeff Stong or Guy Ramsey at ACI for a neutral opinion on these product. I know for a fact ACI has test each product and has recomendations. Sorry i can not provide deta

Re: Just the facts Ma�am

Electronics Forum | Wed Jun 30 06:06:02 EDT 1999 | wayne sanita

| Jeff, Jeff, Jeff | | I do believe you are apologising to the man that said he could not provide you with the software to make your equipment work because he was caught violating his development license. | | He confessed to being broke, and had to

CSM 84VZ Head Replacement

Electronics Forum | Tue Apr 23 09:49:18 EDT 2013 | rgduval

Thanks, Jeff. I ended up bringing someone in to help me with it. And, that's pretty much what we did. What a pain! Who ever designed these heads never expected them to fail, apparently! The actual head change out only took about a half hour (inc

Re: Bump Dies Solder Integrity

Electronics Forum | Tue Jul 18 20:10:09 EDT 2000 | Dave F

Hey Bud: Thanks for the response the other day. We currently use "Jeff�s Method #2: The Drummel Tool." Short answer to your brother is ... yes, probably. Expanding a bit: � It would be surprising not to use a flux to help reflow the solder balls

layer 2 groundplane disconnects after hand solder

Electronics Forum | Mon Apr 13 12:06:53 EDT 2009 | jefflkupkt

BoardHouse, Thanks for the reply. The board supplier did cover the cost of the bare boards. Five years ago I saw a different part pass ET only to fail at final assembly test as well. One engineer called it "acid trap" on the inner layers where the

Puzzling CSM84VZ errors, #118 and #120

Electronics Forum | Mon Nov 14 00:13:55 EST 2011 | tpappano

Hi Jeff, I pulled the proms from both machines, copied to disk, re-burned the the old versions with the newer and reinstalled. The ram became scrambled in the upgraded unit on startup, but I did a full restore through the serial port and unit #2 got

Re: Soldering long lead thru hole parts

Electronics Forum | Thu Dec 09 23:57:41 EST 1999 | Jeff Sanchez

Mike, A drag solder system is not so bad. If it's not discoloring the silk screen , damaging your parts or blistering your boards than it looks like a safe bet. I am not sure what other components you have on the boards besides the LED's? But the

Damaged PCB.. what do you think?

Electronics Forum | Fri Mar 16 10:04:41 EDT 2012 | davef

We'd repair a drop board like this. Here's what our old friend Jeff Ferry said is a published article ... When boards lose their edge: when the corner of a circuit board breaks or is damaged, the problem cannot be ignored by Jeff Ferry One of the m

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