Patent number 8641292 is assigned to
The following quote was obtained by the news editors from the background information supplied by the inventors: "The subject matter described herein relates generally to an photonic assembly for optical fibers.
"Electronic devices, such as switches, are used to interconnect many data transmission lines at a common location, such as a switch box. Such systems generally include a plurality of circuit boards that are coupled using electrical connectors or photonic connectors connected to the circuit boards. For example, backplanes and daughtercards are typically connected in this manner. Some systems utilize a midplane connector to connect line cards and switch cards.
"Systems utilizing fiber optic connections have several disadvantages. For example, connecting many fiber optic connectors together at once has proven difficult. For example, when mating line cards and switch cards, the line cards and switch cards need to both be aligned with connectors held by a midplane. Plugging multiple connectors in at once is difficult due to manufacturing tolerances. When the optical fibers are joined, the ferrules must be precisely aligned along the same axis to provide optimal signal transmission between the optical fibers. In many electronic devices, the optical fibers may become misaligned so that the ferrules of the fibers do not extend along the same axis. Moreover, the optical fibers may become bent, thereby further misaligning the optical fibers. In some electronic devices, the ferrules may become separated forming a gap between the optical fibers. Misalignment of the optical fibers and/or gaps between the optical fibers may result in faulty signal transmissions between the optical fibers. Faulty signal transmissions may affect the performance of the electronic device and/or result in damage to the electronic device. Additionally, systems that use midplanes are not flexible in design and require redesign of the entire cabinet to obtain different switching configurations.
"A need remains for a photonic assembly for optical fibers that provides a flexible approach to connecting fiber optic connectors. A need remains for a mechanism that properly aligns optical fibers and prevents gaps between the optical fibers."
In addition to the background information obtained for this patent, VerticalNews journalists also obtained the inventors' summary information for this patent: "In one embodiment, a photonic assembly for optical fibers is provided. The photonic assembly includes a midplane connector having connector channels extending therethrough. Fiber optic connectors are positioned within the connector channels of the midplane connector. The fiber optic connectors retain ferrules of midplane optical fibers and align the ferrules of the midplane optical fibers within the midplane connector. A midplane substrate is provided having an opening extending therethrough. The midplane connector is positioned within the opening of the midplane substrate. The midplane connector floats within the opening of the midplane substrate to position the ferrules of the midplane optical fibers.
"In another embodiment, a photonic assembly for optical fibers is provided. The photonic assembly includes a midplane connector coupled to a midplane substrate. The midplane connector has connector channels formed therein to receive midplane optical fibers. The midplane connector is enabled to float with respect to the midplane substrate. A header connector is coupled to a header substrate. The header connector has connector channels formed therein to receive header optical fibers. The header connector is coupled to the midplane connector to couple the midplane substrate and the header substrate. The midplane connector floats with respect to the midplane substrate to align the midplane connector and the header connector.
"In another embodiment, a photonic assembly is provided. The photonic assembly includes a midplane assembly having a first midplane substrate and a second midplane substrate parallel and spaced apart from the first midplane substrate. A first midplane connector is coupled to the first midplane substrate so that the first midplane connector faces in a first direction for mating with a first header connector. A second midplane connector is coupled to the second midplane substrate so that the second midplane connector faces in a second direction opposite the first direction for mating with a second header connector. The photonic assembly includes a plurality of midplane optical fiber assemblies each having a first fiber optic connector terminated to a first end of a fiber optic cable and a second fiber optic connector terminated to a second end of a fiber optic cable. The fiber optic cable spans between the first and second midplane substrates."
URL and more information on this patent, see: Roitberg,
Keywords for this news article include: Circuit Board,
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