Heat sink tab for optical sub-assembly
First Claim
Patent Images
1. An opto-electronic device comprising:
- an optical sub-assembly for converting optical signals into electrical signals or electrical signals into optical signals, the optical sub-assembly including a rear header forming the rear end thereof with electrical leads extending therefrom;
a housing including a heat dissipating cover for supporting the optical sub-assembly; and
a thermally conductive heat sinking tab for transferring heat from the optical sub-assembly to the heat dissipating cover;
wherein the heat sinking tab includes;
a mounting plate for mounting only on the rear end of the optical sub-assembly covering the rear header, with slots in the mounting plate through which the electrical leads extend, and a finger for extending into contact with or close proximity to the heat dissipating cover.
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Abstract
The present invention relates to a heat sinking tab for dissipating heat directly from an optical sub-assembly (OSA) to a transceiver housing, within which the optical sub-assembly is located. The heat sinking tab includes a mounting plate for mounting on the rear end of a transistor outline (TO) can, and a finger for extending into contact or close proximity to the transceiver housing. The mounting plate also provides a stiffening plate for flexible conductors used to connect the OSA leads to a transceiver printed circuit board (PCB).
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Citations
11 Claims
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1. An opto-electronic device comprising:
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an optical sub-assembly for converting optical signals into electrical signals or electrical signals into optical signals, the optical sub-assembly including a rear header forming the rear end thereof with electrical leads extending therefrom; a housing including a heat dissipating cover for supporting the optical sub-assembly; and a thermally conductive heat sinking tab for transferring heat from the optical sub-assembly to the heat dissipating cover; wherein the heat sinking tab includes;
a mounting plate for mounting only on the rear end of the optical sub-assembly covering the rear header, with slots in the mounting plate through which the electrical leads extend, and a finger for extending into contact with or close proximity to the heat dissipating cover. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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Specification