Electronics Forum | Fri Jan 15 11:28:50 EST 1999 | Bob Willis
| | Folk's, | | | | I'm looking for information of how long you cna store a gold finish PCB before building it. I know there are problems with the gold disappearing into the underlying nickle over time / temperature etc but exactly how long do you h
Electronics Forum | Fri Jan 15 14:45:48 EST 1999 | Earl Moon
| | | Folk's, | | | | | | I'm looking for information of how long you cna store a gold finish PCB before building it. I know there are problems with the gold disappearing into the underlying nickle over time / temperature etc but exactly how long do
Electronics Forum | Thu Jan 14 13:25:53 EST 1999 | Chrys
| Hi Folks. Has any Process Engineer here done a complete evaluation or controlled experiment for VOC-FREE Flux? Our goal here at CEBUKid, Inc. is to implement a VOC-FREE process. We have all the necessary (OPTIFLUX) spray equipment, and we're cur
Electronics Forum | Mon Feb 22 16:39:33 EST 1999 | C.K.
| | Hi Folks. Has any Process Engineer here done a complete evaluation or controlled experiment for VOC-FREE Flux? Our goal here at CEBUKid, Inc. is to implement a VOC-FREE process. We have all the necessary (OPTIFLUX) spray equipment, and we're c
Electronics Forum | Tue Jan 12 15:11:20 EST 1999 | Earl Moon
| | I have an Electrovert UPK 660c fitted with IR preheats top and bottom. We assemble a large range of multilayer backplanes and I was wondering if there are any advantages in changing to convection preheats.Has anybody got any views on the subject.
Electronics Forum | Tue Dec 29 17:21:46 EST 1998 | Dave F
| I am looking for a questionaire/list of items that need to be addressed to determine the pros/cons and equipment, manpower, cost and lead time to determine if one should consider setting up an in-house SMT line. | Can anyone help? | thanks | | J
Electronics Forum | Tue Dec 01 14:44:04 EST 1998 | Terry Burnette
| Hi | I have been conducting my first reflow profiles. Most of the texts that I have read suggest soldering the thermocouples to a populated pcb. I am finding this very difficult. I have been using a high melting point (Sn5 / Pb95) solder and the
Electronics Forum | Wed Nov 18 18:10:16 EST 1998 | fraser
| | | | | | I keep hearing about polyimide stencils, but what are they like in terms of registration and aperture accuracy? | | | | | | | | | | | Fraser- | | | | | | | | | | We use polyimide stencils with great success for our prototype boards.
Electronics Forum | Thu Nov 12 11:16:55 EST 1998 | Dave F
| | | I have a need to dispense a latex masking material using an automated dispensing system. We are presently looking at the I&J750. Does anyone have any experience with this piece of equipment, or have a better solution available? | | | | | Dou
Electronics Forum | Fri Nov 13 10:25:11 EST 1998 | Doug Clement
| | | | I have a need to dispense a latex masking material using an automated dispensing system. We are presently looking at the I&J750. Does anyone have any experience with this piece of equipment, or have a better solution available? | | | | | |
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