Electronics Forum: spacings (Page 71 of 119)

BGA washing & Surfactant Packs?

Electronics Forum | Wed Mar 20 20:02:06 EST 2002 | davef

Surfactant. A synthetic detergent made from petrochemicals that lowers the surface tension of water and allows better cleaning in small spaces. Do you have a cleaning issue that requires you to use a surfactant? If so, be aware that you must clean

Machine good/bad points

Electronics Forum | Fri Mar 22 18:35:05 EST 2002 | cnoonan

It depends on your application. Are you going for high volume low mix, or low mix high volume? What is your expense budget? What are your factory space requirements? I have worked with Fuji, Siemens, Universal, Panasonic, and Mydata. My pref

Magnetized Support Block

Electronics Forum | Wed Mar 27 08:07:42 EST 2002 | caldon

Ovation Products (devision of Airline Hydraulics) makes a fixture just for Screen printing and PNP machines. This product is called grid lock. It's tooling that is air actuated and conforms to the bottom side of your PCB with gentle (gentle enough no

place BGA by FUJI IP3

Electronics Forum | Wed Apr 24 10:32:47 EDT 2002 | dougt

BGA's are sometimes difficult for a camera to recogonize as your not looking for the dark outline of a part with white lighting behind it but rather the white balls with in that dark component. If you don't mind experimenting a little I would play wi

Convection Reflow Air Requirements

Electronics Forum | Sun Jul 07 20:26:09 EDT 2002 | Dreamsniper

Hi Fastek You don't need compressed air for convection unless that oven comes with some pneumatic system parts (air cylinders, solenoids etc.). Air comes from the Oven Blowers themselves. Some ovens have Baffles, they are metal plates with high numb

Broken Traces in PCB

Electronics Forum | Mon Aug 12 18:45:31 EDT 2002 | russ

Don't be too sure that it is not your supplier! I have just gone through a similar problem and finally traced it back to PCB design which made the fab not very manufacturable except at a high end shop. What are the specifics of the board? 5mil trace

Where do I Start?

Electronics Forum | Mon Sep 23 08:42:25 EDT 2002 | bdoyle

I have performed many insourcing vs. outsourcing analyses. The following are the key issues that are normally evaluated:  Cycle time requirements for product development and manufacturing  Cost of manufacturing (in-house vs. subcontracted)  Inve

Rating SMT Machines

Electronics Forum | Mon Oct 21 18:15:13 EDT 2002 | cnoonan

Fuji: Wonderful machine, very robust, Hardware second to none. Lacking on software Universal: Love the GSM, great platform. Sanyo HSP�s are ok, like the new 4796, not sure about the 4797 yet, have not had it long enough to give good data. Sieme

Juki vs. Mydata??? Operational input appreciated!

Electronics Forum | Mon Nov 04 13:54:24 EST 2002 | csimfgeng

My company is considering the purchase of Mydata My-9 or My-12 machines vs. Juki 2020 machines. Realizing these two machines have distinct differences in both feeder designs, operational issues, and such, I am interested in others who have analized

quad 4c

Electronics Forum | Fri Nov 15 17:36:45 EST 2002 | jonfox

First of all, who are you buying it from? If it is not coming with any coverage (parts or tech support) from Tyco, don't make this your first one. They can adjust to just about anything you can program on them (big plus) but I would recommend havin


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