Electronics Forum | Fri Aug 20 09:06:14 EDT 2004 | russ
I have never used the Vitronics but have pretty extensive experience with the Electra as well as Ultra-Pak and econ-pak from electrovert. I ahve been impressed with these machines for their durability and ease of use. A laminar flow with the rotary
Electronics Forum | Wed May 18 07:22:06 EDT 2005 | davef
Wire bonds don't stick when bonded * Check pull and shear strength. * Depending on point of failure, review parameters. * Listen during bonding, if there is a high pitch buzz, there is vibration in the system somewhere, "seek and destroy". * Get the
Electronics Forum | Mon Sep 19 09:02:10 EDT 2005 | clampron
Good Morning Everyone, We have a customer that produces RF based assemblies. We are building several board types for them, all of which have an "RF" area of the PCB. This RF area does not have any mask to define pads. There are also several issues w
Electronics Forum | Tue Nov 29 23:02:08 EST 2005 | fastek
It's the opinion of someone who makes a living dealing with issues such as service, support, equipment longevity on all platforms and has been doing this for over 20 years. This includes extensive travel to Korea and Asia in general to gather first h
Electronics Forum | Tue Jan 17 16:43:03 EST 2006 | davef
If you are not washing and want to stay with a peelable mask the two basic types are vinyl and latex. Although we've seen some silicone and urethanes, they cost more. * Do not use latex peelable solder mask with a low residue soldeing process withou
Electronics Forum | Sat Jan 28 13:28:15 EST 2006 | eeltec
Dear All: I am learning to program a Philips Comet GEM Machine with VIOS. I am programming a simple PCB that has 300 components but just 3 part numbers so I want to build a complete board in each table of the machine (A and B) and until now I have no
Electronics Forum | Tue May 02 13:32:53 EDT 2006 | marvindamaniac
We are using a Metal Screen. We used a metal screen in the past and found that stencil life wasn't a problem. We are a Low Volume, High mix spot where the average lot size is no more than 100 pcbs and as low as 5 pcbs. I am concerned with wiping i
Electronics Forum | Sat May 06 23:44:24 EDT 2006 | mika
We get away with edge clearance of 5 mm on the bottom side and 3 mm on the top side. This is mainly because of our BTU-reflow ovens. The rest of our assy-line can handle 3 mm edge clearence. Assuming that a double sided pcba is running secondary sid
Electronics Forum | Mon Jul 10 20:59:14 EDT 2006 | davef
Dave Try: * IPC-2221 - Generic Standard On Printed Board Design * IPC-2222 - Sectional Design Standard For Printed Board For Organic Printed Boards Our old [euphemistically] friend Earl Moon has written extensively on DFM. Look at his site: http://
Electronics Forum | Mon Nov 06 17:34:24 EST 2006 | Vincent Whipple
Hello Bill, I have been away from the office and just got back to see this posting. Sorry for the late reply. Give us a call at Sono-Tek and we would be happy to assist with your spray fluxer and your wave process. We support any machine with our nam
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