Electronics Forum: (4) (Page 606 of 630)

United Kingdom electronics manufacturers employing SMT

Electronics Forum | Fri May 29 06:02:58 EDT 1998 | Centre for Operations Management

To: United Kingdom electronics manufacturers employing SMT The Centre for Operations Management at London Business School (United Kingdom) is currently carrying out a study of quality management practices in the electronics industry. The "TQM in the

Re: Residue

Electronics Forum | Wed May 27 09:56:39 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 localize

Re: Residue/Measuring Flux

Electronics Forum | Wed May 27 15:09:30 EDT 1998 | Dave F

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 locali

Re: QP2 vs GSM

Electronics Forum | Wed Jun 10 17:30:44 EDT 1998 | FAC

When creating part data�s for BGA or QFP style components, the line scan camera will be utilized (Camera No. 4). Using a Single nozzle type placing head, a nozzle capable of sufficient vacuum, and front lighting the part can achieve placement of a 74

Re: Aye aye aye. Wait Wait Wait

Electronics Forum | Wed May 27 08:46:25 EDT 1998 | Dave F

We understand that testing for ionic contamination and surface insulation resistance measure different properties. We assemble printed circuit boards for other companies. We will not get combs on 90% of the boards that we assemble.

Re: Aye aye aye. Wait Wait Wait

Electronics Forum | Wed May 27 12:32:15 EDT 1998 | Earl Moon

We understand that testing for ionic contamination and surface insulation resistance measure different properties. We assemble printed circuit boards for other companies. We will not get combs on 90% of the boards that we assemble.

Re: Thoughts on Universal GSM1/2 Anyone??

Electronics Forum | Wed Apr 29 14:03:40 EDT 1998 | Chrys

We would like to add another pick and place machine to the SMT line. We're low volume so we change the line over after each group of boards. So far we've pretty much ruled out Siplace in favor of the Universal machines. Does anyone care to

Re: Ultrasonic stencil cleaner

Electronics Forum | Mon Apr 13 19:43:32 EDT 1998 | Steve Gregory

Could someone point me in the direction of or have any info on a basic no frills Ultrasonic cleaner capable of cleaning 20"x20" stencils? Thanks, Jack LaRue jlarue@mail.nortechsys.com Hi Jack! Well, I'm sure you've heard of Smart Sonic..

Re: Ultrasonic stencil cleaner

Electronics Forum | Mon Apr 13 19:40:19 EDT 1998 | Steve Gregory

Could someone point me in the direction of or have any info on a basic no frills Ultrasonic cleaner capable of cleaning 20"x20" stencils? Thanks, Jack LaRue jlarue@mail.nortechsys.com Hi Jack! Well, I'm sure you've heard of Smart Sonic..

Re: Bottom side bridging

Electronics Forum | Fri Apr 10 20:35:59 EDT 1998 | Steve Gregory

We are having a bridging problem with SOIC 14,16 and 20 pin devices during flow solder of the bottom side of our boards. This bridging occurs about half way up the lead between the board and the body of the IC. The chip parts are no problem. T


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