Electronics Forum | Sat Sep 22 09:00:15 EDT 2001 | davef
We like that method for certain jobs. The res sometimes freaks inspectors. We prefer the aluminum tape we've spoken about before on SMTnet.
Electronics Forum | Mon Oct 08 20:50:37 EDT 2001 | ksfacinelli
What material are you using? There are a great deal of different Teflons (in the family of Teflons) material....is it from Gore or Rodgers???? Does it have aluminum backing?? More information necessary, Kevin
Electronics Forum | Fri Sep 27 11:20:21 EDT 2002 | davef
Mar, The previous post makes the best point. Your finish spec depends on the COB process you plan to use. Is your process: * Gold wire bond * Aluminum wire bond * Flip chip * Er, watt
Electronics Forum | Mon Jan 20 17:41:38 EST 2003 | James Springer; Advanced Technology Manager
Has anyone ever placed and reflowed a 1.27mm PBGA to 6 mil poly flex bonded to aluminum? If so what is the life expectancy of the solder joints?
Electronics Forum | Wed Jun 25 08:50:54 EDT 2003 | russ
I believe that Fancort makes some finger protectors that are made of Metal (Aluminum, titanium, etc...) I don't know how well these would process through placement equipment however due to their thickness. Could you clean the Kapton residue off just
Electronics Forum | Wed Aug 20 09:23:34 EDT 2003 | caldon
Hi John- Maybe I am miss reading this but I can not see where a Screen instead of a stencil will benefit you. Is the thinking the screen is plyable enough to contour to the surface?
Electronics Forum | Wed Aug 20 12:18:58 EDT 2003 | John S
That is the thought. I haven't been able to get the materials together yet to start printing anything. The time frame is very short though, so I'm trying to locate as many options as possible. We've seen as much as 0.025" TIR variation in the surf
Electronics Forum | Thu Sep 25 18:31:24 EDT 2003 | davef
Denis: You could be correct about metal reflecting IR. When we use our old IR station, we place pieces of aluminum foil around the component to be removed to protect the near-by components.
Electronics Forum | Fri Jan 09 23:53:48 EST 2004 | Dean
How high are we talking? 1000 Celsius? KIC Thermal Profiling double sided aluminum profiling tape. I have used at an extreme application of 240 to 300 degrees celsius for 18 minutes. With up to 30 passes with no visible degree of deterioration.
Electronics Forum | Mon Mar 01 11:07:49 EST 2004 | cyber_wolf
Depending on the volume, try making an aluminum pallet(s)with tooling pins to mount your boards on.
