Using rows/columns of micro-vias to create PCB routing...

Details Using rows/columns of micro-vias to create PCB routing... Using rows/columns of micro-vias to create PCB routing...

2008-05-06

2008-05-06

Norris, Jeremy C (Department: 2841)

Electricity: conductors and insulators

Conduits, cables or conductors

Preformed panel circuit arrangement

C361S792000

Reexamination Certificate

active

07368667

ABSTRACT:
A printed circuit board having micro-vias used to connect a portion of the contacts in a selected row or column to the first internal layer of the board, thereby creating routing channels on the second and subsequent internal layers of the board between selected rows or columns of through-board vias used to connect the remaining contacts and a BGA package adapted to be used with the printed circuit board.

REFERENCES:
patent: 6232564 (2001-05-01), Arndt et al.
patent: 6407344 (2002-06-01), Horiuchi et al.
patent: 6534872 (2003-03-01), Freda et al.

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