Electronics Forum: passives (Page 2 of 39)

Re: Adhesion loss on passives over wave

Electronics Forum | Fri Mar 19 07:24:38 EST 1999 | John

| | | | Hi folks, | | | | | | | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and

Re: Adhesion loss on passives over wave

Electronics Forum | Thu Mar 18 18:40:15 EST 1999 | Marc Ruggiero

| | | Hi folks, | | | | | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and volum

Re: Adhesion loss on passives over wave

Electronics Forum | Fri Mar 19 11:01:42 EST 1999 | Dave F

| Hi folks, | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diameter and volume, and somet

Re: Adhesion loss on passives over wave

Electronics Forum | Mon Mar 22 18:03:15 EST 1999 | Marc

| | | | | Hi folks, | | | | | | | | | | I am looking for inputs on a long-standing problem encountered in our shop: Bottom-side parts (passives) falling off in the Wave...where the only remnants of the part is a flattened glue dot of proper diamet

Re: Adhesion loss on passives over wave

Electronics Forum | Thu Mar 18 20:08:34 EST 1999 | Steve Gregory

Are you suggesting there may be some chemical incompatibility between paste/flux chemistries and the glue being used - thus intefering with the glue's ability to bond properly? I've only heard of this possibility, but never experienced it. Justin, St

Solder Short in the passives components in the Solder Side

Electronics Forum | Tue Sep 23 09:18:45 EDT 2003 | russ

IPC SM 782 has some info on wave solder pad geometries. We usually like .03" spacing to any uncommon conductors. I would assume that you are seeing shorts between components and vias or adjacent parts? Russ

Solder Short in the passives components in the Solder Side

Electronics Forum | Fri Sep 19 15:51:01 EDT 2003 | David Bonilla

Hi I am having solder short defects on the bottom side with SMD devices that run through the Wave solder. May you let me know any IPC guildelines about the spacing, orientation or any other design guidelines for avoid solder defects with SMD device

Passive component shear Testing

Electronics Forum | Mon May 22 10:41:50 EDT 2000 | Scott G

Can anybody provide information on shear testing of passive components. What standards are used etc. Thanks

Passivation Issues

Electronics Forum | Thu Nov 19 14:41:19 EST 1998 | Susan mcbirdie

Hello Everybody I am new to the electronics packaging arena, please be patient with me... I have a few questions regarding the various passivation used on the silicon dice. I would really appreciate if you guys could provide me with more informatio

Cu passivation PCB

Electronics Forum | Tue Feb 26 21:18:47 EST 2002 | smta

hello, anyone has any experiences for Cu passivation PCB soldering?


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