Pluggable transceiver with bi-directional optical sub-assembly
AssigneeSumitomo Electric Industries, Ltd.
InventorsHidemi SONE, Yuuichi KITAJIMA
Life of this patent
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Abstract
An optical transceiver is disclosed, in which the transceiver installs a BOSA and has an additional heat conducting path from the BOSA to the cover and to the base independent of the path from the IC to the cover. The optical transceiver includes a heat conductor that comes in thermally contact with the BOSA, the cover and the base. The heat conductor, which is made of metal sheet, has a ceiling piece that comes in contact with the cover and a pair of legs with the bottom surface that comes in contact with the base in both sides of the BOSA.
Claims7
An optical transceiver installed on and communicated with a host system by being inserted in a cage prepared in said host system, comprising:
- a bi-directional optical sub-assembly with a single package that installs a light-emitting device and a light-receiving device within said single package;
- a printed circuit board configured to mount an IC that is electrically connected with said bi-directional optical sub-assembly;
- a base made of metal sheet for mounting said printed circuit board and said bi-directional optical sub-assembly thereon;
- a sub-base made of metal sheet for sandwiching said printed circuit board with said base, said sub-base being thermally contact with said IC on said printed circuit board;
- and
- a cover for enclosing said bi-directional optical sub-assembly, said printed circuit board, said base and said sub-base therein;
- and
- a heat conductor in thermally contact with said bi-directional optical module, said base and said cover but independent of said sub-base for conducting heat generated in said bi-directional optical sub-assembly to said cover and said base.
Dependencies are inferred from the claim text.