Technologies Licensing
Details for US Patent 6,399,426
PropertyValue
NameUS Patent 6,399,426
DescriptionA method for making an underfilled flip chip assembly using a pre-applied underfill.
  1. An encapsulant is applied to a solder-bumped flip chip while exposing the tips of the solder bumps.
  2. A polymer with fluxing properties is then applied either to the encapsulated chip or to a printed circuit.
  3. The encapsulated chip is placed on the printed circuit.
  4. The combination is heated to melt the solder bumps and simultaneously harden the polymer.
Filename06399426.pdf
Filesize1.44 MB
Filetypepdf (Mime Type: application/pdf)
Creatoradmin
ViewersEverybody
Maintained byEditor
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Last updated on 12/13/2007 23:27
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