Browse Prior Art Database

Protective Plug for Duplex Fiber-Optic Package

IP.com Disclosure Number: IPCOM000035680D
Original Publication Date: 1989-Jul-01
Included in the Prior Art Database: 2005-Jan-28
Document File: 2 page(s) / 49K

Publishing Venue

IBM

Related People

DeFosse, S: AUTHOR [+9]

Abstract

A plug, as shown in the figure, will protect the fiber-optic duplex package during shipping, storage and second level assembly from contamination (solid, liquid or gaseous), ensuring optical functionality.

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Protective Plug for Duplex Fiber-Optic Package

A plug, as shown in the figure, will protect the fiber-optic duplex package during shipping, storage and second level assembly from contamination (solid, liquid or gaseous), ensuring optical functionality.

The protective plug is a two-piece assembly consisting of a rigid carrier and a compliant elastomer insert. When inserted into the duplex fiber-optic assembly, the compliant insert is compressed as the carrier latches onto the package, thus sealing the optical ports. The insert restricts the permeation/ingress of contaminants into the sensitive fiber-optic interface.

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Alternate designs for sealing the optical ports may be required, depending on material/mechanical requirements for specific applications. Alternate designs which have been investigated are as follows: 1. A cored insert which provides material flexibility and allows use of high durometer elastomeric polymers which typically have better mechanical, thermal, and chemical properties. These materials typically are harder to compress and require greater force to latch and form the seal. By coring the insert, these forces are proportionally reduced to meet design parameters. 2. A series of O-rings on a post, which when inserted into the optical ports form a multi-surface seal. O-ring materials and diameters are selected to match interface contour and chemical/thermal requirements for the specific application. 3. A contoured fitting grommet on...