Electronics Forum | Wed Dec 01 01:15:44 EST 1999 | Jeff Skeith
dave, you are right on. a blow torch isn't needed to light a fire. a small coplanar aluminum block works extremely well. my dept fixes thousands of fine pitch parts to to less than 4 mils from low lead to high lead every month. all we use is a sm
Electronics Forum | Fri Oct 08 16:48:24 EDT 1999 | Charles Morris
| I recently had the opportunity to visit the vendor who is making my boards. On my trip I noticed that the guy who was in charge of the SMD placement machine (brand new Samsung) still had to manuallly place about 20%-40% of the parts after placement
Electronics Forum | Thu Sep 16 05:37:18 EDT 1999 | Earl Moon
| Can you imagine that there is a smt process using the a few chip and ic are nearly about 4,5,6,8 years old. | Antigues?? | what should you do If you are an engineer of smt process in that company. | | | | thank in advance. | | I'm s
Electronics Forum | Thu Apr 29 17:33:30 EDT 1999 | Steve Gregory
Just curious, Are any of ya'll coming out here to the Chip scale and BGA National Symposium out here in Santa Clara, Cal-i-for-ni-yay next week? I'm a-goin'...gonna learn more about them little buggers...I just know enough now to be extremely dange
Electronics Forum | Thu Apr 29 17:40:40 EDT 1999 | JohnW
| Just curious, | | Are any of ya'll coming out here to the Chip scale and BGA National Symposium out here in Santa Clara, Cal-i-for-ni-yay next week? I'm a-goin'...gonna learn more about them little buggers...I just know enough now to be extremely
Electronics Forum | Tue Mar 09 23:34:35 EST 1999 | Clarissa Ortner
We are starting up an SMT line with a printer and convection oven.... The area we are considering for the printer is totally uncontrolled for humidity, temperature and even cleanliness. We are working on the filters to keep particulates down, but I
Electronics Forum | Thu Jan 28 20:00:54 EST 1999 | Dave F
| Okay, | | Another question, if the soldermask in not cured, then it is washed will water ingress (from wash or ambient ) play havoc with capacitance or dielectric of PCB. I mean will my crystal and clock circuits start "Y2K'n" on me. OR will my P
Electronics Forum | Wed Sep 30 15:27:34 EDT 1998 | jvo
I've been looking for a vision system which can check our fully mounted boards containing a mix of smt and thru hole. The concepts on all the machines are virtually the same, they got about 12-16 cameras, some pcb fixing and the rest is software.
Electronics Forum | Wed Sep 30 16:36:59 EDT 1998 | Dana R Simon
I've been looking for a vision system which can check our fully mounted boards containing a mix of smt and thru hole. | | The concepts on all the machines are virtually the same, they got about 12-16 cameras, some pcb fixing and the rest is soft
Electronics Forum | Sat Sep 05 18:51:34 EDT 1998 | Graham Naisbitt
John, I believe that your problem is cuased by inadequate filling of the transformers with potting material - if any is used at all. When you attempt to clean, particularly with a chemistry, it is designed with wetting agent, surface tension modifier