Electronics Forum: assemblers (Page 518 of 599)

Re: Help me increase my first pass yields

Electronics Forum | Fri Jun 05 13:06:14 EDT 1998 | Steve Schrader

| If you could measure and chart 3 variables in my process, what would they be? | The boards that I produce are on panels that are 12up and 2x4 up. All boards are single sided paper base w/o plated thru holes. They are on scored panels that measure

Re: Help me increase my first pass yields

Electronics Forum | Thu Jun 04 15:41:07 EDT 1998 | Chrys

| If you could measure and chart 3 variables in my process, what would they be? | The boards that I produce are on panels that are 12up and 2x4 up. All boards are single sided paper base w/o plated thru holes. They are on scored panels that measure

Adhesion of conformal coating to plastic components

Electronics Forum | Tue Jun 02 14:32:58 EDT 1998 | Chris Fontaine

We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not alwa

Re: Adhesion of conformal coating to plastic components

Electronics Forum | Wed Jun 03 01:06:13 EDT 1998 | Mike Moninger

| We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not al

Re: Adhesion of conformal coating to plastic components

Electronics Forum | Tue Jun 02 15:53:32 EDT 1998 | Earl Moon

| We have experienced poor adhesion of acrylic conformal coating to plastic bodied IC�s. The observed symptoms of this are a blistering or lifting of the coating at the surface of the component, although peel testing has revealed that this is not al

technical stuff review

Electronics Forum | Sat May 30 18:33:02 EDT 1998 | Earl Moon

This message is to Cunli and his great staff who keep us flying straight and level while reminding us always to keep our nose down in the turns. (can't keep from doing some of that pilot "s__t" Mav. I, I mean we, would like to post some tempters as a

Re: technical stuff review

Electronics Forum | Mon Jun 01 09:32:29 EDT 1998 | Dave F

| This message is to Cunli and his great staff who keep us flying straight and level while reminding us always to keep our nose down in the turns. (can't keep from doing some of that pilot "s__t" Mav. | I, I mean we, would like to post some tempters

Re: 1206 Jumper

Electronics Forum | Thu May 28 09:30:42 EDT 1998 | Chrys

| I have a component that is glue cured on the bottom of a pcb. The component is a 1206 size jumper. It is made up of iron/nickel alloy. The problem I am having is that the part will fall off the board during wave solder. Is the component not abl

Cracking in High Voltage Chip Caps

Electronics Forum | Tue May 26 16:59:47 EDT 1998 | Gary Simbulan

I know, I've read the "been there done that" stories about this subject, but I still profess ignorance on some aspects. We are using NPO type dialectric caps in potted high voltage assemblies and continue to experience catastrophic vailures. Upon

Re: Residue

Electronics Forum | Wed May 27 16:02:32 EDT 1998 | Chrys

| We recently made the switch to no-clean and the wurface mount is turning out beautifully. However, the wave solder process continues to put up a fight; we are getting a white residue on the surface of the PCB. The residue is not localized to


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