Electronics Forum | Sun Jul 28 23:11:52 EDT 2002 | caldon
Sam - If I owned Cal Driscoll Electronics and were looking for a rework system a few things I would consider: 1) Convection is key (IR as an under heater or pre heat is ok but not as the main heat source). 2)programming simple? User Friendly and easy
Electronics Forum | Wed Sep 25 09:24:54 EDT 2002 | caldon
Michael- Please when concidering you U-sonic machine, keep in mind possible chemistries Petroferm, Kyzen, Aqueous technologies, and Zestron products. All are good products and all need to be evaluated with your stencils. Depending on your component t
Electronics Forum | Fri Jun 20 09:38:56 EDT 2003 | caldon
Hi John- First, I do not have first hand experience so my input is pure theory. This type of package (in Some Cases) has a center grounding bonds and leadless legs ups the difficulty tremendously. With no stand-off from the Balls(or Legs) when the so
Electronics Forum | Thu Jun 26 09:04:43 EDT 2003 | caldon
We had a "Spring loaded" fixture that pulled the Flex tight and used loads of Board supports. There were pins that went through the Connectors holes and held the flex firm. We only had a few components so it was no problem. Lucky for us because the f
Electronics Forum | Thu Jun 26 08:49:21 EDT 2003 | caldon
Depends on your Material (Chemistry) and Machine. We use a hot plate with the material in an "L" patern. The Hot plate is used only in aiding the capillary action. Also, is time an issue?? Here is a good paper from Asymtek that was poster in Advan
Electronics Forum | Tue Oct 07 08:59:33 EDT 2003 | caldon
Will Philadelphia Work? My SMTA colleagues and I are putting together a Q/A. We will be having a panel discussion on Lead free on Oct 29. The panel is made up of industry leaders. Aim Solder- David Suraski, Cookson/Alpha/Electronic Assembly Materials
Electronics Forum | Tue Mar 02 16:49:37 EST 2010 | davef
For a earlier, similar thread posted by an old friend Cal Driscoll ... Classes of BGA inspection machines * GO/No-go Machine specs: 50Kv, limited zoom, perpendicular head, board size. * Low to mid range machine:+75Kv, Angular inspection,zoom,image c
Electronics Forum | Mon Jul 21 09:34:54 EDT 2003 | caldon
A machine for serious concideration MRSI 175uf Features: -High-throughput Underfill -Parallel Processing Conveyor Lanes -Linear Positive Displacement Pump -Total Process Thermal Control -Intuitive Graphical User Interface - Windows NT -Advanced
Electronics Forum | Thu Feb 22 10:32:25 EST 2001 | CAL
SCOTT- We do solderability testing for the electronics industry using a Multicore and Kester Wetting Balance testers. The standards we test to is IPC J-STD 002 for components and J-STD 003 for PCBs. There is also a system called SERA we co-developed
Electronics Forum | Tue Apr 24 14:19:50 EDT 2001 | CAL
Fuji has always had stable machines CP,IP,Qp machines are true Fuji Form.I would shy away from the NP series though (for now). What I have found with Fuji - once it goes down it is down hard (Not taking the part shipped in from Japan into considerati
winsouce.jpg)