Information on Flip Chips


Flip Chip Tutorial     (from http://www.flipchips.com/photos.html)

Flip chip bumps    (from http://www.flipchips.com/photos.html)

Copper bumps with reflowed eutectic solder caps.
( Courtesy TMLI Corporation )

Jetted double solder bumps from Pac Tech SBB2.
(Pac Tech Photo)


                                                               


Cool flip chip products


NASA implantable fetal monitor, five flipped chips.  
Board 30 mm long, 10 mm wide. (NASA Photo)   
closeup of flip chip









explaining surface tension and capillary action for understanding underchip filling