Electronics Forum: open (Page 160 of 208)

Re: Hot air knife in wave soldering

Electronics Forum | Thu May 28 09:23:59 EDT 1998 | Chrys

| Hello, | | I need some users information about "hot air knife" after the wave | bath: | - Defects reduction ? | - In what kind of boards(TH/SMT SOICS ect.) it is applied ? | - Where can I purchase it as a retrofit (Soltec Delta 6622cc) ? |

Micro BGA pads, adhesion to laminate

Electronics Forum | Thu Jul 10 09:55:47 EDT 2003 | davef

A reading of the pictures is: A1: Looks like pad [B1] is smaller than the other pads. It�s weird that the pads are such different colors. A2: Looks like pad [B1] is smaller than the other pads. Solder mask opening [B1] is misregistered and seems s

Safety equipment for servicing solder wave

Electronics Forum | Thu Aug 21 14:23:56 EDT 2003 | kenBliss

In order to service your wave solder machine safely, the following needs to be understood. Ladling dross out of the machine and putting it in into a coffee can or similar is not safe and puts operators and other employees at risk. Protecting the se

Question about solder masking BGA vias...

Electronics Forum | Mon Sep 20 13:04:25 EDT 2004 | davef

The Intel BGA Developer�s Guide [ http://developer.intel.com/design/packtech/ch_14.pdf ] says: 14.8.3.3 Plated Through Hole (PTH) Isolation Regardless of the technique used for the mounting pads shape or definition, isolation of the plated through h

GSM2 spindles Not seen for head

Electronics Forum | Tue Sep 29 09:39:02 EDT 2015 | rgduval

Hey, David, For service, check out 4TechUSA over in Detroit. It's not Chicago, but, you're closer to Detroit up there than I am down here in Houston :) For your issue....do you have access to the UIC Knowledge Base? The first issue I found in the

Re: Batch Oven Profile?

Electronics Forum | Fri Feb 25 04:46:36 EST 2000 | Jeff Sanchez

Hey Travis, Thanks for the response. I did find a simple profile to use. As you said it took alot of trial and error. I was just looking for a good place to start. As for questioning the capability of a batch reflow oven,they have good reviews f

bad connections, or not?

Electronics Forum | Fri Jan 19 12:17:57 EST 2001 | slthomas

Thanks Dave. Talked to a few people at APEX this week and if nothing else, had my frustration reduced some. Of course I made sure I talked to mfg. people and avoided the design guys like the plague. ;) I actually picked up a copy of 785 a while bac

Re: Gold Finger Wear

Electronics Forum | Wed Dec 20 21:01:12 EST 2000 | Dave F

Talk about glam jobs � About once a month, we�d go over to the slaughter yard to get cows� teeth for Dr. Mueller. Then we�d fixture them on their side and run them in a machine that scrubbed them with a brush for weeks. The cool thing about cows te

Re: EMPF Emfasis

Electronics Forum | Fri Dec 15 09:48:25 EST 2000 | CAL

WOW!! I about coughed my false teeth when I read your posting. KUDOS to you Dave. You are right empfasis is great because it is a technical publication written by Engineers and Scientist for Engineers and Scientists.Since you opened this can of worms

Re: Solder paste recovery

Electronics Forum | Fri Dec 01 12:02:15 EST 2000 | blnorman

I have over 10 years experience in aerospace materials, part of which was involved with vacuum casting inert propellant formulations. These propellants are in the range of 80 - 90% solids loaded with viscosities of 15 kP. I'm not sure where I could


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