Electronics Forum: said (Page 30 of 179)

solder voids, pin holes.

Electronics Forum | Mon Aug 09 10:27:14 EDT 1999 | Tim Murphy

Just curious what effect pinholes and solder voids can have on solder joints that have high current passing thru them. Also could moisture from steam sterilization (autoclaving) get inside a said solder joint and then outgas during high current, and/

Re: Solder Beading Solder Balling

Electronics Forum | Thu Aug 05 10:12:18 EDT 1999 | John Thorup

| Hello Netters, | | Can anyone provide me with info or where to get info on acceptability of solder beads and solder balls? | | Thanks for any help | | Tom B. | Hi Tom Wolfgang is right. We think you should correct your process to reduce ball f

Wave Soldering Active Components

Electronics Forum | Fri Mar 19 18:47:16 EST 1999 | John Gill

Hi Folks, This is my first surface mount board, so I asked our assembly house for some tips. They said only passives on the bottom side-preferably no smaller than 0805, 0603 only if I have to. I would think that an SOT-23 would be OK on the bottom.

Re: HSP

Electronics Forum | Thu Dec 17 19:44:04 EST 1998 | Dave Kalen

| What is the CPH for Universal/Sanyo chip shooter? Spec. needed only. Thanks | Mike, just like the rates that Dave F said, the tact times of the newer Sanyo/UIC machines is .1 or 36000cph. Because of the Direct Drive head, we have little derate so

Cracking Capacitors

Electronics Forum | Thu Sep 03 10:39:27 EDT 1998 | Rich Weaver

I am in need of possible causes and solutions to capacitors that are failing in the field. Are there issues in our process that need to be checked? Some people said the problems are due to improper storage. Others say it is thermal stress in our

Re: Cracking Capacitors

Electronics Forum | Thu Sep 03 11:45:34 EDT 1998 | Dave F

| I am in need of possible causes and solutions to capacitors that are failing in the field. | Are there issues in our process that need to be | checked? | Some people said the problems are due to improper | storage. Others say it is thermal stre

Sorry Wayne, don't tell my dad!

Electronics Forum | Fri Jul 24 09:57:30 EDT 1998 | Justin Medernach

| Justin: | I work for your Dad so find out for both of us.... | and as for Matsushita they are not buggers! | See just try to start a little conversation and look at the trouble one can get into. | Have a nice weekend. | Wayne Wayne, That was an a

Re: Archive Listings Now Available

Electronics Forum | Tue Jun 30 20:04:21 EDT 1998 | Steve Gregory

| Thanks a bunch........ We all enjoy using and visiting the forum....keep up the great work. | | Wayne Clifford, What Wayne said...abso-tively true! This IS the best place to talk shop...I learn a great deal from this list. Hope to see it con

Why is NC the prefer process for BGA mounting? why not WS?

Electronics Forum | Wed Aug 22 08:00:46 EDT 2001 | caldon

For one MUGEN Your original point number 5 asked for a technical point of veiw not any reference documentation. You get what you ask for. Your appreciation is shallow, everyone that posted to your topic took time out formulate a responce. So with t

SMT on ceramic substrate

Electronics Forum | Mon Aug 27 10:09:50 EDT 2001 | gresko

Steve, Depending on the type of equipment you are using for P&P you may want to consider placing and processing the substrates in Auer boats. I have provided many applications for ceramic substarate users using purchased Auer boats or machined palle


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