Electronics Forum: advances (Page 201 of 243)

Which SMD placement machines are easiest to use?

Electronics Forum | Wed Jan 26 05:02:13 EST 2000 | maddog

I am consulting for an SMD placement machine manufacturer, looking at Human Interface issues -- hardware and software. I believe strongly that usability directly affects productivity. I would appreciate any comments the community would provide regar

Re: Solder Paste Dispensing for BGA repair

Electronics Forum | Fri Nov 26 09:13:10 EST 1999 | Wolfgang Busko

Jeff, Ted, Stefano What Stefano is saying sounds reasonable. With entry-level systems its always a struggle to get sufficient results. The operators golden hand is needed. Better controlled advanced dispensing systems should do the work, unluckily I

paste release from stencil, and volume calculation

Electronics Forum | Sun Nov 07 10:54:21 EST 1999 | Steve Thomas

We're looking at redesigning our stencils to facilitate better (well, it's pretty much non-existant, so any improvement is a big leap) release from fine pitch apertures. Currently we have perpendicular walled laser cut apertures. We'll be having

Re: Tombstoning

Electronics Forum | Tue Oct 12 16:08:44 EDT 1999 | Brian

| I need your help! We have been doing double sided surface mount for 4 years now. Up until 6 months ago I have not had a tombstoning problem. Since then I have a fairly high incidence rate of tombstones on the 0603 size resistors (no other parts).

Re: Solder Paste and Stencil questions

Electronics Forum | Tue Oct 12 22:22:34 EDT 1999 | se

| Hi, | We are in the process of evaluate our solder paste,incoming inspection over the solder paste, stencil requirments: | | 1- Is anybody using/requiring 1000 Kcps or more on viscosity to your solder paste provider ? Why ?? | 2- Is anybody using

Re: How are your solder balls @ wave solder ?

Electronics Forum | Mon Oct 11 06:00:27 EDT 1999 | Brian

| Folk's, | | I'm just tying up some loose end's on my Master's Thesis on solderballing @ wave soldering and the effect the topography of the mask / PCB has on it. | I was wanting to do a straw poll on you guy's as to the type of resist's you are us

Re: How are your solder balls @ wave solder ?

Electronics Forum | Mon Oct 11 12:24:07 EDT 1999 | John Thorup

| | Folk's, | | | | I'm just tying up some loose end's on my Master's Thesis on solderballing @ wave soldering and the effect the topography of the mask / PCB has on it. | | I was wanting to do a straw poll on you guy's as to the type of resist's yo

Re: How are your solder balls @ wave solder ?

Electronics Forum | Mon Oct 11 13:05:51 EDT 1999 | Dave F

| | Folk's, | | | | I'm just tying up some loose end's on my Master's Thesis on solderballing @ wave soldering and the effect the topography of the mask / PCB has on it. | | I was wanting to do a straw poll on you guy's as to the type of resist's yo

Re: Losing parts in wave

Electronics Forum | Tue Oct 05 18:37:19 EDT 1999 | Morris

| I hope that someone can help me with my problem! I am experiencing a lot of glued on parts falling off in the wave solder machine. A little information about my process: 1)We use Loctite 3609 glue that is used up long before its shelf life 2)Our

Re: Losing parts in wave

Electronics Forum | Wed Oct 06 08:55:23 EDT 1999 | Brian Conner

| | I hope that someone can help me with my problem! I am experiencing a lot of glued on parts falling off in the wave solder machine. A little information about my process: 1)We use Loctite 3609 glue that is used up long before its shelf life 2)Ou


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