Electronics Forum | Sat Jun 17 08:57:13 EDT 2000 | Ashok Dhawan
Smtnetters One more question on ESD Control program. Does anyone ground there power equipments and how ? e.g., Pneumatic torque tools , electric screwdrivers, hand soldering stations, solder pots etc. I am not sure about pneumatic hand tools , howev
Electronics Forum | Tue Jun 13 12:45:22 EDT 2000 | Peter Field
Help!!! We are using Fuji CP6 machines. The nozzles use those gloss yellow (sort of fluorescent) disks to provide contrast between the component and nozzle for centring. My operators keep damaging the disks causing the machines to need recalibratio
Electronics Forum | Tue Jun 13 08:51:37 EDT 2000 | Jason
ok now i have some more answers to questions. the 225F is the temperature as the pcb comes out of the last preheater before crossing the wave. the conveyor speed is anywhere from 3.65-4.00 should it be the same for all boards?? I am using superfl
Electronics Forum | Wed Jun 14 18:21:23 EDT 2000 | Robert Moore
It has been our experience that the problem you have discribed was not solder process related. We had two such instances in the past and both were component related. The first case involved a PLCC28 that failed test. Reflowing the solder seemed to co
Electronics Forum | Tue Jun 06 20:48:07 EDT 2000 | Dave F
Don't this have something to do with ... ?? Awww never mind. A picture's worth a thousand words. Lookit: http://www.interconsystems.com/home/products/50/index2.html http://www.molex.com/product/pccard/type2m.html http://www.sei-intl.com/products/
Electronics Forum | Fri Jun 02 17:33:51 EDT 2000 | Dave F
Hey CK, we�re all sodder googoo�s ... wanna be gurus Why donchu tell �em not to put sodder in your vias? Er, makit so the sodder won�t flow out of the bottom of the vias and cause dem stalactites? OK OK, here�s wacha do, modify the second side ste
Electronics Forum | Thu Jun 01 17:29:27 EDT 2000 | C.K.
Okay, so my boss gives me this little "side project" that nobody else wanted to do... ....our Component Prep area (an area that no Engineer wants to support) is in need of a thru-hole component counter - counts both bulked and reeled parts. They ha
Electronics Forum | Thu Jun 01 21:54:00 EDT 2000 | Dave F
Jeremy: Standards: � A-600 talks about percentage of solder mask loss allowed, according to the location (eg, laminate, bare copper, gold or nickel, melting metals) and equipment class. � A-610 talks to "Solder Resist Coating - Voids & Blisters" by
Electronics Forum | Tue May 30 09:27:08 EDT 2000 | PhilB
More and more PCB fabs are switching from chemical copper to what is called a "black hole" process from McDermitt.In this process a very thin layer of carbon is put on the base material instead of chemical copper. Can anyone tell me about the advanta
Electronics Forum | Tue May 30 08:14:34 EDT 2000 | Aerin Bryson
I had a problem accessing my mail for along time, however, that is resolved now. Now I am having trouble sending email - I sent a test message to an internal smtnet recipient and one to an external recipient and both went OK. Other than that I have
