Electronics Forum | Wed Sep 12 14:08:37 EDT 2001 | caldon
PLEASE!!!! If that were the case then a 6 mil stencil is not a 6 mil stencil depending on paste, pressure, snap off...... We have and use the LSM 300 paste inspection to great degree of success (esp. for solder paste on semiconductor devices). So w
Electronics Forum | Wed Sep 12 17:57:29 EDT 2001 | CyberVilla
Cal, I can only respond by saying that the question relates to one important word "Reliable". If you feel that you have found the special touch to provide accurate and repeatable results, then I applaud your hard work. Also, a counter attack by co
Electronics Forum | Wed Sep 12 18:08:15 EDT 2001 | davef
I missed the laundry part [but then again, I couldn't figure-out that "AMT" as THE typo] That aside, I have no problem with what Cyber said. Continuing, we have talked about all of the following issues in previous threads on SMTnet: * LSM 300 does
Electronics Forum | Wed Jun 06 09:09:28 EDT 2001 | nwyatt
Help! I have been assigned to take over our current rework machine because the profiles have been changed so often and by so many people that they are now not working consistantly. Nobody has been supporting it for the past 2 years and now I have b
Electronics Forum | Wed Jun 06 10:59:43 EDT 2001 | wbu
It�s hard to tell you one good profile for a specific machine cause profiles are mainly dependent on the specific assembly you want to rework. My aproach to this problem is trying to get a close as possible profile as under normal reflow conditions u
Electronics Forum | Wed Jun 06 13:38:15 EDT 2001 | Michael Parker
To expand on Wolfgangs reply, I suggest you contact your local SRT rep. We recently had the same type of problem as yourself. This is the path we followed. Arrange for operator training, for yourself first, then the operators after you get the machi
Electronics Forum | Wed Jun 06 20:25:06 EDT 2001 | davef
Good machine, good people; yer just about there. Look here for help: http://www.mot.com/SPS/PowerPC/teksupport/teklibrary/papers/BGA_AssemblyRework.pdf http://channel.intel.com/design/quality/component/rework_socketprofiles.htm Earl Moon, a depart
Electronics Forum | Wed Jun 06 16:51:06 EDT 2001 | jax
Unless your placing micro-bga, board edge fiducials on alternating corners will provide more than enough placement correction ( Micro-bga's should also be fine depending on how your equipment maps the board ). The part data and vision recognition nee
Electronics Forum | Thu Jun 07 07:11:41 EDT 2001 | stefwitt
8" ). For calculation of the theta angle, the global fiducials should be placed over the diagonal. Component recognition can be improved if your vision system has different light zones. The steep light should be turned off and the flat light turned
Electronics Forum | Fri Jun 08 08:53:08 EDT 2001 | onset
Hi our company is currently using a water soluable paste. We have heard that no-clean solder paste has gotten alot better over the years and are thinking about making the switch. Our main concern is that our solder joints will not look as good as t
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