Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Flip-chip BGA semiconductor device for achieving a superior cleaning effect










Image Number 4 for United States Patent #6956290.

In the flip-chip BGA semiconductor device of the present invention, a stiffener is bonded by means of adhesive on the surface of a substrate on which a semiconductor chip is mounted in the area surrounding the semiconductor chip, and gaps are provided between the substrate and the stiffener that each extend outwardly from positions that confront opposite sides of the semiconductor chip and that communicate with the ends of the substrate. These gaps can be formed by depressions that are provided in the substrate or in the stiffener.








 
 
  Recently Added Patents
Method and apparatus for managing backup channel in multi-channel environment
Computing device with improved user interface for applications
Catalyst composition with nanometer crystallites for slurry hydrocracking
Over the counter medicinal container with surface ornamentation
Method and apparatus for a cryptographically assisted commercial network system designed to facilitate buyer-driven conditional purchase offers
Method, apparatus, computer program, and computer readable storage media for controlling the insertion of tab sheets into a print job
Plants and seeds of hybrid corn variety CH817100
  Randomly Featured Patents
Process for the separation of mixtures by means of mass transfer at different temperatures or pressures
Bubbling fluid bed boiler with recycle
Method and apparatus for compensating phase locked receivers
Optical transmission system including optical repeaters with selectively enabled gain equalizers contained therein and including an add/drop apparatus with a plurality of individually selectab
Shock-acceleration activated function selector
Measuring non-dystrophin proteins and diagnosing muscular dystrophy
Data processing apparatus handling plural divided interruption
Catheter apparatus with occlusion and flow diverting means
Vehicle control system and method for controlling a vehicle
Modified PYY (3-36) peptides and their effects on feeding behavior