Layered board, and apparatus incorporating such layered board

Details Layered board, and apparatus incorporating such layered board Layered board, and apparatus incorporating such layered board

2006-07-04

2006-07-04

Ullah, Akm Enayet (Department: 2874)

Optical waveguides

Integrated optical circuit

C385S131000

Reexamination Certificate

active

07072535

ABSTRACT:
In a layered board, an insulating layer is interposed between a first layer capable of transmitting an electrical signal or an optical signal and a second layer capable of transmitting the electrical signal or the optical signal, interconnection of the signal between the first layer and the second layer is established through a signal connecting path penetrating the insulating layer, and the signal connecting path has both a function of transmitting the electrical signal and a function of transmitting the optical signal. An apparatus including the layered board may be constructed as a cellular phone.

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