Mounting optical busbars on backplanes

Details Mounting optical busbars on backplanes Mounting optical busbars on backplanes

1986-03-17

1988-05-17

Wan, Gene

350 9616, 350 9618, 350 9620, G02B 626

Patent

active

047446170

ABSTRACT:
A mounting arrangement for mounting an optical conductor on a "photonic" backplane provides for simple, accurate positioning during installation and easy access to, and removal of, the optical conductor when in service. The optical conductor constitutes a "busbar" in that it has a series of reflector surfaces spaced along its length to permit distribution or aggregation of several light signals. In one embodiment, an individual support is provided at each reflector/circuit card location. Each support is a seating member which houses a lens to couple light between the optical conductor and the circuit card. In another, preferred, embodiment the optical conductor is housed in a channel in a guide rail mounted upon the backplane. Separate cover members are releasably mounted upon the guide rail adjacent each circuit card. Each cover member has an aperture and lens to couple light between the reflector and the circuit card. The aperture and lens may be in a boss which couples in spigot-and-socket fashion with a tubular lens-carrying coupled mounted on the circuit card.

REFERENCES:
patent: 4378143 (1983-03-01), Winzer
patent: 4400054 (1983-08-01), Biard et al.
patent: 4576436 (1986-03-01), Daniel

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