Electronics Forum: used (Page 2084 of 2487)

Re: Vitronics Ovens

Electronics Forum | Tue Jun 30 15:21:21 EDT 1998 | Earl Moon

| Looking to contact some users of Vitronics reflow ovens. | Which model do you use? | Overall opinion of equipment and company? | Thanks in advance Where in the world is Steve Dow when you need him? Steve was one of the pioneers at Vitronics and cou

Use of solder paste for leaded thru hole parts????

Electronics Forum | Tue Jun 30 12:48:59 EDT 1998 | Upinder Singh

Hi all . Thanks to Ryan, Brian , Justin and Dave for the timely help earlier. I would appreciate if somebody could help me in the stated issue: I am trying to to place one thru hole 20 pin connector along with the SMT components by paste printing an

Re: Use of solder paste for leaded thru hole parts????

Electronics Forum | Fri Jul 10 14:23:23 EDT 1998 | Bob Willis

You can get a report and CD ROM on pin in hole reflow assembly from the SMTA main office in the USA. They also have a new report on Double Sided Reflow Design and Assembly. | Hi all . | Thanks to Ryan, Brian , Justin and Dave for the timely help ear

Re: Poor Solder on TSOP

Electronics Forum | Thu Jun 25 20:26:37 EDT 1998 | Chiakl

| I am looking for a little enlightenment with an issue that we have been seeing. We have SMT assemblies with poor solderability on TSOP and mini-QFP type devices. The solder appears to have incomplete reflow and/or grainyness to the joints. Everythi

Re: Poor Solder on TSOP

Electronics Forum | Tue Jun 30 11:51:41 EDT 1998 | Michael Fogel

| | I am looking for a little enlightenment with an issue that we have been seeing. We have SMT assemblies with poor solderability on TSOP and mini-QFP type devices. The solder appears to have incomplete reflow and/or grainyness to the joints. Everyt

Re: Poor Solder on TSOP

Electronics Forum | Thu Jul 02 19:18:31 EDT 1998 | Rin

| | | | I am looking for a little enlightenment with an issue that we have been seeing. We have SMT assemblies with poor solderability on TSOP and mini-QFP type devices. The solder appears to have incomplete reflow and/or grainyness to the joints. E

Re: Poor Solder on TSOP

Electronics Forum | Thu Jun 25 20:16:01 EDT 1998 | chiakl

| I am looking for a little enlightenment with an issue that we have been seeing. We have SMT assemblies with poor solderability on TSOP and mini-QFP type devices. The solder appears to have incomplete reflow and/or grainyness to the joints. Everythi

Re: printing

Electronics Forum | Mon Jun 29 13:38:20 EDT 1998 | Russ Miculich

| looking for help with fine-pitch printing for what would be the best settings for printing speed, squeegee pressure, seperation speed. | thanks for you time Brian: As Justin says - the issues are many. However, a good start would be to run at 0.75

Re: printing

Electronics Forum | Thu Jun 25 21:13:11 EDT 1998 | Phillip Hunter

| looking for help with fine-pitch printing for what would be the best settings for printing speed, squeegee pressure, seperation speed. | thanks for you time Print speed is determined by your aperture dimensions, paste viscosity type of blade (metal

Re: Solder Joint Problem

Electronics Forum | Thu Jun 25 12:45:37 EDT 1998 | Steve Gregory

Hi there Chris! Are the leads you talking about fine pitch? Is the complete fillet attached to the foot, with it being cleanly separated from the pad? I bet if you look at the board there will be via's really close to the pads at the locations wh


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