Optical connection structure between optical backplane and circuit substrate

• US 7,585,119 B2
• Filed: 10/05/2006
• Issued: 09/08/2009
• Est. Priority Date: 10/06/2005
• Status: Active Grant

• Current Assignee: NEC Corporation
• Original Assignee: NEC Corporation
• Inventors: Sasaki, Junichi
• Primary Examiner(s): Le; Uyen-Chau
• Assistant Examiner(s): CHU, CHRIS H
• Application Number:
  US11/543,140
• Publication Number:
  US 20070092185A1
• Time in Patent Office: 1,069 Days
• Field of Search: 385/59
• US Class Current: 385/89
• CPC Class Codes: G02B 6/3885 Multicore or multichannel optical connectors, i.e. one single ferrule containing more than one fibre, e.g. ribbon type optical ribbon cable G02B6/4403, G02B6/448
• CPC Class Codes: G02B 6/3897 Connectors fixed to housings, casing, frames or circuit boards G02B6/44528 takes precedence
• CPC Class Codes: G02B 6/43 Arrangements comprising a plurality of opto-electronic elements and associated optical interconnections

Abstract

Information processing equipment includes a photoelectric conversion module disposed on a circuit substrate, a first optical connector connected to the photoelectric conversion module through a plurality of first optical fibers and disposed to an edge portion of the circuit substrate, and a second optical connector disposed on an optical backplane and optically connected to the first optical connector. The disposing direction of the optical fibers in the photoelectric conversion module is in nonparallel with the main surface of the circuit substrate and the disposing direction of the optical fibers in the first optical connector and the disposing direction of the optical fibers in the second optical connector are in nonparallel with the main surface of the circuit substrate.

Claims

1. Information processing equipment which comprises a photoelectric conversion module disposed on a circuit substrate, a first optical connector connected to the photoelectric conversion module through a plurality of first optical fibers and disposed to an edge portion of the circuit substrate, and a second optical connector disposed on an optical backplane, and in which the first optical connector is optically connected to the second optical connector, wherein:

the photoelectric conversion module and the first optical connector dispose and accommodate both the edge portions of the plurality of first optical fibers, respectively;

the second optical connector disposes and accommodates edge portions of the plurality of second optical fibers;

the disposing direction of the first optical fibers in the photoelectric conversion module is in nonparallel with the main surface of the circuit substrate;

the disposing direction of the first optical fibers in the first optical connector and the disposing direction of the second optical fibers in the second optical connector are in nonparallel with the main surface of the circuit substrate;

the photoelectric conversion module and the first optical connector being fixedly coupled to the circuit substrate;

the second optical connector being fixedly coupled to the optical backplane; and

the plurality of second optical fibers are laid on the main surface of the optical backplane, the main surface of the optical backplane being coupled to the circuit substrate.

2. The information processing equipment according to claim 1, wherein the first optical connector, the second optical connector and the photoelectric conversion module each have a housing, and the edge portions of the respective plurality of first and second optical cables are fixedly dispose within each housing.

3. The information processing equipment according to claim 2, wherein the edge portions of the plurality of first optical fibers are not removable from the photoelectric conversion module and the first optical connector, and the edge portions of the plurality of second optical fibers are not removable from the second optical connector.

4. The information processing equipment according to claim 1, wherein the edge portions of the plurality of first optical fibers are not removable from the photoelectric conversion module and the first optical connector, and the edge portions of the plurality of second optical fibers are not removable from the second optical connector.

5. Information processing equipment which comprises a photoelectric conversion module disposed to an edge portion of a circuit substrate and an optical connector disposed on an optical backplane, and in which a plurality of light input and output ports of the photoelectric conversion module are optically connected to the optical connector, wherein:

the optical connector disposes and accommodates edge portions of a plurality of optical fibers;

the disposing direction of the optical fibers in the optical connector is in nonparallel with the main surface of the circuit substrate;

the plurality of input and output ports of the photoelectric conversion module are disposed in a juxtaposed state;

the disposing direction of the plurality of light input/output ports are in nonparallel with the main surface of the circuit substrate; and

a plurality of optical fibers are laid on the main surface of the optical backplane, the main surface of the optical backplane being coupled to the circuit substrate.

6. The information processing equipment according to claim 5, wherein the optical connector is fixedly coupled to the optical backplane.