Patent ID: 7525817
Filing Date: 2009-04-28
Classification: H01L,H05K,Y10T

Abstract:
1. An auxiliary wiring package to be mounted on one side of a printed circuit wiring board for performing auxiliary wiring from at least one electronic part to the circuit wiring board, the at least one electronic part mounted on the other side of the printed circuit wiring board, the printed circuit wiring board including a predetermined number of layers, which include a first half of the predetermined number of layers on a first side of a middle of the circuit wiring board in a direction perpendicular to a plane of a surface of the circuit wiring board and a second half of the predetermined number of layers on a second side of the middle of the circuit wiring board, and the auxiliary wiring package comprising: a plurality of conductive layers configured to electrically connect i) through-signal lines passing through the circuit wiring board from the at least one electronic part to ii) layer-signal lines on each of the layers in the first half of the predetermined number of layers on the first side of the middle of the circuit wiring board, the layer-signal lines routed in a direction of the plane of the surface of the circuit wiring board; and a predetermined outer shape that substantially matches an outer shape of the at least one electronic part.