Patent · US Expired

Layered board, and apparatus incorporating such layered board

US7072535B2 · kind B2 · utility

9Cited by
4References
1Claims
0Family size

Assignee

Inventor

Key dates

Filing dateAug 1, 2003
Grant dateJul 4, 2006
Priority date
Expiry dateMar 18, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/31678
  • WIPO fieldAudio-visual technology
  • WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.