Electronics Forum: printing (Page 271 of 481)

Re: problem in micro-BGA assembly

Electronics Forum | Thu Jul 01 13:57:57 EDT 1999 | Kris Wiederhold

| Dear guys, | | I have some problem on assembling micro-BGA with solder paste (63/37). The micro-BGA we assmeble is 0.75mm pitch and with 45 pin (solder bump is 96.5/3.5Ag). The stencil is a laser-cut stencil with 5 mil thickness. We are now usin

Re: bare board problem

Electronics Forum | Thu Jun 17 19:40:11 EDT 1999 | Scott Cook

| first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pads. an

Re: bare board problem

Electronics Forum | Thu Jun 17 19:40:27 EDT 1999 | Scott Cook

| first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pads. an

Re: bare board problem

Electronics Forum | Thu Jun 17 19:41:29 EDT 1999 | Scott Cook

| | first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pads.

Re: bare board problem

Electronics Forum | Fri Jun 18 10:24:12 EDT 1999 | John Thorup

| first of all what is the technical term for the small amount of solder on a plated pad. we are getting poor screen printing gasketing on a 20 mil qfp due to this solder not being even or too high in spots and not covering the length of the pads. an

Re: Adhesion loss on passives over wave

Electronics Forum | Fri Mar 19 05:08:24 EST 1999 | Vinesh Gandhi

Hey Marc, I am not sure about the kind of process you are following. Is it Gluing+paste printing on the bottom side or just gluing on the bottom side and paste printing on the top side. The relationship which I could think of between Bottom side

Re: no-clean mask for gold fingers

Electronics Forum | Sat Jan 23 16:07:20 EST 1999 | Steve Gregory

| hi, | i am working towards developing a no-clean process for a customer at contract manufacturing facility. the assemblies have gold fingers on them. these are masked to prevent from any damage to them during reflow soldering. the earlier proces

Re: Dry Storage Options

Electronics Forum | Fri Jan 22 14:24:44 EST 1999 | Dave F

| I was just wondering what solutions are out there for dry storage. Our basic need is to be able to store boards that have been baked and need to remain moisture free for up to a week. | Michael: Let's take a different angle on this. Why not ha

Re: Dry Storage Options

Electronics Forum | Fri Jan 22 17:38:07 EST 1999 | Michael Larsen

| | I was just wondering what solutions are out there for dry storage. Our basic need is to be able to store boards that have been baked and need to remain moisture free for up to a week. | | | Michael: Let's take a different angle on this. Why

Re: Think Film Hybrid Design

Electronics Forum | Tue Jan 05 19:25:50 EST 1999 | Earl Moon

| Jan 05, 1999 | | My question is: | Pls kindly advise what is the meant by a "Think Film hybrid design" and what are the advantages it would have on surface mount passive components e.g. capacitors and reisitors?? | | Thanks for your respond. | El


printing searches for Companies, Equipment, Machines, Suppliers & Information