Electronics Forum: 5 why tombstone (Page 1 of 57)

5 zone oven profile

Electronics Forum | Tue Apr 05 16:29:18 EDT 2011 | gaz

We are not having any real issues. I am just first setting up a lead free profile, and was looking for a starting place. So far it's going well. Can you tell me more about why your paste would be better and I'll pass that on to the decision makers?

5 zone oven profile

Electronics Forum | Tue Apr 05 15:32:49 EDT 2011 | grahamcooper22

It is one of our pastes...Almit LFM48 W TM-HP, a high reliability no clean solder paste based on SAC305 with a size 4 powder. It's a paste that works so well we have thousands of users of it worldwide. Why are you using SN100C alloy paste ? I imagin

Nonwetting Components - why won't components wet to solder?

Electronics Forum | Thu Jan 25 17:14:44 EST 2007 | slthomas

Good luck with that. ;) More likely you'll have to adjust your profiles. In our case with the palladium terminations we had to touch them up. There were other parts on the board that couldn't take more than 5 seconds at ~235 C� (don't remember for s

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

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

Electronics Forum | Tue Aug 21 03:42:55 EDT 2001 | mugen

SMT community, My Fellows, 1) why is No-clean (NC) the preferred process, for BGA mounting by SMT? 2) why is water-soluble (WS) not a hot choice? 3) All I know, *is in layman terms*, that BGA has tendency to trap water, should WS process be the c

Re: 1 mil = ?? inches - why don't we all use the same thing ?

Electronics Forum | Sun Sep 19 03:38:43 EDT 1999 | Brian

| | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | 1 mil= .001 inches | | | | 10 mil= .010 inches | | | | Also, it has nothing to do with metric. | | | |

Re: 1 mil = ?? inches - why don't we all use the same thing ?

Electronics Forum | Sun Sep 19 06:15:41 EDT 1999 | Earl Moon

| | | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | | | | 1 mil= .001 inches | | | | | 10 mil= .010 inches | | | | | Also, it has nothing to do with m

Re: 1 mil = ?? inches - why don't we all use the same thing ?

Electronics Forum | Sun Sep 19 06:16:50 EDT 1999 | Earl Moon

| | | | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | | | | | | | 1 mil= .001 inches | | | | | | 10 mil= .010 inches | | | | | | Also, it has noth

Re: 1 mil = ?? inches - why don't we all use the same thing ?

Electronics Forum | Mon Sep 20 04:50:24 EDT 1999 | Brian

| | | | | | | | I am not familiar with the "mil" metric. How many inches is in 1 mil? | | | | | | | | | | | | | | | | ...or 10 mil? | | | | | | | | | | | | | | | | | | | | | | | 1 mil= .001 inches | | | | | | | 10 mil= .010 inches | | | | | | | A

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

Electronics Forum | Thu Aug 23 00:10:21 EDT 2001 | mugen

Looky here people, 1) did imply *my* APPRECIATION for the replys posted herein... 2) If *me* appears to have no contribution to the forum, hope someone out there vaguely recalls some infrequently posted info *me* posted, that did get some joy & tha

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