Electronics Forum | Thu Sep 25 16:01:25 EDT 2003 | denis
We bought a Ersa rework station (IR technology) recently and we found in trouble when having to replace BGA with metal heat sink cover. I am affraid that we will probably have to invest money again in a convection rework system. Does someone can refe
Electronics Forum | Fri Sep 26 08:15:01 EDT 2003 | Gabriele
Forced gas (hot air or N2 according to solder paste or flux) will be the solution. To rework Ceramic (Aluminum lid Heat Sink)BGA (32 mm square ) or Ceramic Colum Grid Array C-CGA 1,25 and 1,00 mm colum (pitch 42,5mm square), also them capped with a
Electronics Forum | Thu Sep 25 17:19:17 EDT 2003 | bpeay
Greetings Denis, Could you be a little more vague on the type of BGA. Who happens to make this beaty? Is it a TI DSP? B
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 | Thu Sep 25 17:35:28 EDT 2003 | denis
To be precise, the component is a Xilinx Virtex platform FPGA with 1152 balls. We also assemble some DSPs up to 1000 balls with metal cover. At best, we can remove the components but it is almost impossible to find a working solder profile using IR.
Electronics Forum | Mon Jun 06 09:05:02 EDT 2005 | cmiller
How do apply it in your process? It would seem best to screen the electrically conductive epoxy then dispense the thermally conductive epoxy to bond the part to the heat sink pad. Any help or opinions would be appreciated. I dont think the System Uni
Electronics Forum | Mon Jun 06 10:02:39 EDT 2005 | cmiller
How do apply it in your process? It would seem best to screen the electrically conductive epoxy then dispense the thermally conductive epoxy to bond the part to the heat sink pad. Any help or opinions would be appreciated. I dont think the System Uni
Electronics Forum | Tue Mar 07 19:50:14 EST 2000 | Charles Jim
Hi there, I need some edge emitting laser mount, acting as heat sink also, seen once, from one Japanese company, if you have related info, please email me or reply here. Thanks, Jim
Electronics Forum | Tue Mar 07 19:50:14 EST 2000 | Charles Jim
Hi there, I need some edge emitting laser mount, acting as heat sink also, seen once, from one Japanese company, if you have related info, please email me or reply here. Thanks, Jim
Electronics Forum | Mon May 24 10:17:54 EDT 1999 | john thorup
| Can anyone steer me towards a supplier of heatsinks suitable for use on a PQFP 160. Before you shoot me down in flames, I know that I am not going to get much heat away from the die because of the plastic but the application is such that the board
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