Electronics Forum | Fri Feb 25 10:46:50 EST 2005 | John S
We are developing a new product, and some of the designers are proposing QFN packages. These look like leadless QFP's. We don't currently use anything like this, but we operate in a high reliability automotive market. Can anyone provide advice/com
Electronics Forum | Thu Mar 03 09:58:59 EST 2005 | Marc
The gears should be wet. This gear box acts like a rear end axle. Not sure of the lubricant but it is like a red transission lube, comes in as complete unit from supplier. You can't get the lube from Speedline since it is sold as a complete unit.
Electronics Forum | Tue Apr 12 12:13:52 EDT 2005 | John S
We are moving into fine pitch components. 64 pin QFPs and the like. We've chosen an ENIG pcb finish to help with flatness of the pads, but the pcb vendor has asked for a thickness specification. Can anyone provide a recommendation? It seems like
Electronics Forum | Wed May 18 16:29:13 EDT 2005 | davef
Here's the process: * Determine which companies are exhibiting at the conference. * Select 3-4 four of there companies that either you have an existing relationship with / would like to develop a relationship. * Call those companies and tell them you
Electronics Forum | Mon Jun 06 00:42:52 EDT 2005 | Dr. K
Hello all. I would like to implement a process in our SMT site. The process purpose is to reduce the scrap level from our SMT line machine (siemens). I would like to hear some advices for that kind of process. -preventive actions I should implement
Electronics Forum | Tue Aug 02 11:58:44 EDT 2005 | GS
Are the pick up nozzles metal made (ironmagnetic material)? Some time magnetic residual on metal nozzles can generate pbm like that when chips terminations have nickel and when SOt or similar packages have terminal A42 alloy made. Time ago got pbm l
Electronics Forum | Tue Aug 09 13:58:24 EDT 2005 | Cmiller
I saw a Mydata demo and it seems like it would be pretty easy to pull a magazine back a few inches then tip it up into the head. I assume this would cause catastrophic damage. I was told this has never happened in North America. Which means it must h
Electronics Forum | Tue Dec 13 10:27:46 EST 2005 | patrickbruneel
Samir, This growth doesn't look like a tin whisker which are needle like and very fragile (they don�t bend they break). I have seen similar growth in the past in an EMS defect analyses with connectors in stressed conditions. The growth seen was sim
Electronics Forum | Wed Dec 28 03:33:31 EST 2005 | sparrow
I would like to know if ENIG is widely used for the thermosonic gold wire bonding or this application is an exotic one. And I also wold like to talk to someone who uses printed circuits with ENIG finish for such an application. I do not quite underst
Electronics Forum | Fri Feb 24 15:12:20 EST 2006 | Chunks
I like Ticky Ticky Tembo No Sarimbo Hari Kari Bushkie Perry Pem Do Hai, who just posted here lately. Get right to the point. I don't think your "cool" name was stressing people out - more like it "dehumanizing" them! (I was accused of doing the sa
winsouce.jpg)
.gif)
