Electronics Forum | Wed Mar 05 02:50:31 EST 2003 | MA/NY DDave
Hi Excellent David F. I don't know about the company CAL is working for but I will tell you that sometimes companies hire a weak talent and convince them that they have a high sales potential. They offer a big commission yet a low salary in the 30K
Electronics Forum | Tue Mar 04 18:05:03 EST 2003 | msivigny
Hello Maribel, One way you justify the use of an AOI is to calculate how many defects the system will potentially detect before reflow, associate a repair cost per defect and make the calculation. For an AOI to be effective in this regard, it must sc
Electronics Forum | Tue Mar 04 18:49:06 EST 2003 | scifi97
Hi Mike, I have had a number of contract manufacturers, and SMT equipment makers looking at using our SPC software to monitor process control on SMT machine production with the data coming off the vision check machines. (There seems to be a huge sur
Electronics Forum | Wed Mar 05 12:42:46 EST 2003 | scifi97
Thanks for the questions/interest Mike. I only work with the data provided by customers myself and do not know a lot about how it is generated, other than a vision inspection machine looks at a completed card and provides the x,y and theta variation
Electronics Forum | Fri Mar 07 10:51:53 EST 2003 | dphilbrick
Another value add of N2 is when you are running a gold over nickel process it is recommended that you reach a peak of 220c instead of 215 when running in air. When you add N2 you can maintain that 215 number with the same results. If you look at your
Electronics Forum | Fri Mar 07 21:02:21 EST 2003 | neil
When printing below .5mm pitch, the recommended stencil thickness is 5Thou, laser cut. Do not use any reduction and ensure wherever possible the pad to space ration is 1:1, the length of the pad is not as important as the gap between adjacent pads. T
Electronics Forum | Fri Mar 07 05:36:21 EST 2003 | O' Connor
Hi Again, In answer to DaveF - Yes solder is fine where the solder paste is deposited , but the part of the pad visible after pasting is still visible after reflow. Previously the solder paste & all the gold diffused & flowed giving a complete silve
Electronics Forum | Tue Mar 11 13:35:04 EST 2003 | MA/NY DDave
Hey Neat, We share some of the same books, although I would strongly recommend he expand his collection. That Flex book is only one, the most pricey one, of many on that technology. JUST Kidding THANKS!! If we started listing all our magazine, te
Electronics Forum | Tue Mar 11 13:42:07 EST 2003 | MA/NY DDave
Hi As I got thinking about your problem, as you stated it, I am wondering if maybe we have some oxides or too thin of a Gold Immersion layer so that some of the underlying NI is being oxidized. The colorization that you described is what intriques m
Electronics Forum | Wed Mar 12 17:53:52 EST 2003 | davef
O' Connor Haaa. It's usually the design guys that foist the problems onto my desk. Now that is one shrewd process type that you have working at your company!!!! Can I have his / her name and number to get some tips on the technique that he / she
