Interconnection bracket used in an optical transceiver module

Details Interconnection bracket used in an optical transceiver module Interconnection bracket used in an optical transceiver module

2000-07-27

2001-09-11

Sircus, Brian (Department: 2839)

Electrical connectors

Preformed panel circuit arrangement, e.g., pcb, icm, dip,...

Within distinct housing spaced from panel circuit arrangement

C385S088000, C385S089000

Reexamination Certificate

active

06287128

ABSTRACT:

BACKGROUND OF THE INVENTION
1. Field of the Invention
The present invention relates to an interconnection bracket detachably fixed in a base of an optical transceiver module, more particularly, to an interconnection bracket for retaining diodes therein and also engaging with a printed circuit board which provides required circuitry in the optical transceiver module.
2. The Prior Art
Diodes are basic components used in an optical transceiver. Normally, an optical transceiver includes a photo diode and a laser diode for respectively receiving and sending optically encoded data. Therefore, the positioning and installation of the photo diode and the laser diode is important. U.S. Pat. No. 5,546,281 discloses an optical transceiver module having a potting box with potting material inserted therein. A printed circuit board is encased by the potting material. The printed circuit board has a photo diode and a laser diode soldered thereon before it is installed in the potting box. The photo diode and the laser diode extend outside of the potting box through a recess. A recess cover is provided for forming a liquid tight seal between the recess cover, the potting box, and the photo and laser diodes. With this structure, the photo and laser diodes need to be soldered on the printed circuit board first and then they are together installed inside the potting box. However, additional jigs or the like are required for aiding the diodes to be soldered to the printed circuit board before they are installed in the transceiver module. It is requisite to provide an interconnection bracket which is part of the transceiver module for simultaneously fixing the diodes and the printed circuit board in position before the diodes are soldered to the printed circuit board.
SUMMARY OF THE INVENTION
The primary purpose of the present invention is to provide a configurable interconnection bracket for retaining diodes and a printed circuit board in position before a soldering task is performed between the diodes and the printed circuit board.
According to one aspect of the present invention there is provided an interconnection bracket detachably fixed in a base. The interconnection bracket comprises a housing defining two cavities therein for receiving two diodes each of which has a circular groove defined in periphery thereof. Each cavity has a retention rib formed therein for engaging with the circular groove of the diode. Two pairs of spring hooks extend forward from the housing for respectively retaining an external plug inserted into the cavity. Two rear plates extend rearward from the housing for guiding the diodes to be inserted into the cavities.


REFERENCES:
patent: 5966487 (1999-10-01), Gilliland et al.

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