Resources Contact Us Home
Chip stacked structure and the forming method

Image Number 8 for United States Patent #7888172.

A chip package structure is provided, includes a chip that having a plurality of pads and an adhesive layer on the back side; an encapsulated structure is covered around the four sides of the chip to expose the pads, and the through holes is formed within the encapsulated structure; a patterned first protective layer is formed on the portion surface of encapsulated structure, the portion of active surface of the chips, and the pads of the chip and the through holes are to be exposed; a metal layer is formed on the portion surface of the patterned first protective layer and formed to electrically connect the pads and to fill with the through holes; the patterned second protective layer is formed on the patterned first protective layer and the portion of metal layer, and the portion surface of metal layer is to be exposed; a patterned UBM layer is formed on the exposed surface of the metal layer and the portion surface of the patterned second protective layer; and the conductive elements is formed on the patterned UBM layer and electrically connect to the metal layer.

  Recently Added Patents
Calibration method for non-ideal transceivers
Cordless hand blender
System and method for terminating communication sessions with roaming mobile devices
Graphical planner
Reliable and accurate usage detection of a software application
Systems and methods for image stream processing
Radio communication system, base station device and mobile station device utilizing an intermittent reception
  Randomly Featured Patents
Apparatus for producing plastic parts interspersed with reinforcing fibres
Z-axis processor power delivery system
Motorcycle tire
Minefield shoe and method for manufacture thereof
Process for accelerated beer production by integrative expression in the PGK1 or ADC1 genes
Ocular microsphere delivery system
Edging and trimming lawn mower assembly
High speed multiple memory interface I/O cell
Magnetic record/reproduction apparatus of a stationary head type
Golf ball