Optical module with electrically isolated stem and cap

Details Optical module with electrically isolated stem and cap Optical module with electrically isolated stem and cap

2008-01-17

2009-06-02

Song, Sarah (Department: 2874)

Optical waveguides

With disengagable mechanical connector

Optical fiber to a nonfiber optical device connector

Reexamination Certificate

active

07540669

ABSTRACT:
The present invention provides an optical module with a new stem to reduce the EMI noise and to enhance the ESD tolerance of the optical transceiver. The optical module comprises the stem, a cap and a optical device installed in a space formed by the stem and the cap. The stem includes a center portion that mounts the optical device and a peripheral portion that holds the cap. Between the center portion and the peripheral portion is provided with an insulator to electrical isolate two portions. The case lead directly connected to the center portion and to the circuit board within the transceiver may be fully isolated from the frame ground connected to the sleeve and the peripheral portion.

REFERENCES:
patent: 7217042 (2007-05-01), Okada et al.
patent: 2007/0228405 (2007-10-01), Tateiwa et al.

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