Electronics Forum | Wed Mar 17 21:42:19 EST 1999 | Chuck Garth
We are presently aluminum wirebonding to gold plated lands. Our board manufacturer has been very inconsistient in the quality. It seems as though theey are over etched by about half the amount they should be. Can anyone give me the spec's that normal
Electronics Forum | Thu Mar 18 10:09:57 EST 1999 | Stefan Witte
| My engineering Dept. has informed me that they want | to start using pins, on an aluminum substrate in the | smt process. Pins are interconnect for daughter bds. | Dia. of pins 0.020" 0.040" 0.080" flat bottoms | 1) Does any one know how to
Electronics Forum | Tue Mar 16 18:05:52 EST 1999 | Stefan Witte
| I am in need of feeder that that will feed a 76mm wide tape @ a 60mm pitch to be used on a Universal GSM. | It is not a standard tractor feed, so it would require quite a bit of ingenuity. | Does anyone out there know of someone who designs and bui
Electronics Forum | Wed Mar 17 09:39:04 EST 1999 | Mike Evarts
| I am in need of feeder that that will feed a 76mm wide tape @ a 60mm pitch to be used on a Universal GSM. | It is not a standard tractor feed, so it would require quite a bit of ingenuity. | Does anyone out there know of someone who designs and bui
Electronics Forum | Wed Mar 17 12:11:48 EST 1999 | Scott Cook
| I am in need of feeder that that will feed a 76mm wide tape @ a 60mm pitch to be used on a Universal GSM. | It is not a standard tractor feed, so it would require quite a bit of ingenuity. | Does anyone out there know of someone who designs and bui
Electronics Forum | Tue Mar 16 09:53:27 EST 1999 | Ben Kirk
| I am looking for the dimensions of the qfp trays. I need to no the center to center as well as the edge to center. I will use this information to program the fuji QP machine for placing 44pin QFP from the tray, or other devices. I can measure this
Electronics Forum | Mon Mar 15 15:47:51 EST 1999 | Steve Schrader
| Are stencils universal from one printer to another? We are looking into the possibility of going from Solderprint 1414 manual printer to a more automated printer. We are also considering bringing some boards we currently outsource in house. I w
Electronics Forum | Tue Mar 23 09:30:35 EST 1999 | Dan Hughes
Nancy, The mounting hole locations in most standard frames are the universal in both the screen and stencil industry, more over some of the newer machines clamp the frame in place. Most printers are very adjustable this way. If you were using a "qu
Electronics Forum | Wed Mar 17 22:28:54 EST 1999 | Tony A
| After switching from No-clean flux to Water soluble (Kester)we encountered voids problem (X-ray and microsectioning). Reducing the apperture sizes made the voids smaller but did not eliminate them. So we had to go back to No-clean. Any idea why voi
Electronics Forum | Mon Mar 15 20:13:10 EST 1999 | Wayne Bracy
| Does anyone have any recommendations on spray fluxers? Are there major differences between the high priced ultrasonic machines to the low priced flux/air spraying machines? We are going to be spraying an OA flux with 11% solids content. Are there a
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