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US Patent 7510337 Optical transmission component and production method thereof

Patent 7510337 was granted and assigned to Omron on March, 2009 by the United States Patent and Trademark Office.

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Patent abstractTimelineTable: Further ResourcesReferences
Is a
Patent
Patent

Patent attributes

Current Assignee
Omron
Omron
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
7510337
Date of Patent
March 31, 2009
Patent Application Number
11955026
Date Filed
December 12, 2007
Patent Citations Received
‌
US Patent 12092877 Fiber optic ferrule and method for terminating a fiber optic ferrule to prevent delamination
3
‌
US Patent 11681107 Fiber optic ferrule and method for terminating a fiber optic ferrule to prevent delamination
4
‌
US Patent 11768335 Lensed fiber optic ferrule with simplified molding
Patent Primary Examiner
Charlie Peng
Charlie Peng
Patent abstract

An aspect according to the invention provides a method of producing an optical transmission component in which peel-off and a bubble are not generated within a keeping temperature range in a bonding agent with which a space between an optical function portion and an end face of an optical transmission line is filled while a holder portion for holding the optical transmission line such as an optical fiber and the optical function portion such as a lens array are integrally molded. An optical function array is disposed across the space from a fiber holder, and the optical function array including lenses and a lower-side holder portion are integrally molded by a transparent resin. Fiber cores are placed in V-shape grooves of the lower-side holder portion, and an upper-side holder portion is put on the fiber cores. End faces of the fiber cores face the space, and the space is filled with the bonding agent. When a linear expansion coefficient of the bonding agent is smaller (or larger) than the linear expansion coefficient of the connection portion that connects the optical function array and the lower-side holder portion, the bonding agent is cured at an atmosphere temperature higher than an upper limit (or lower than a lower limit) of a keeping temperature of the optical transmission component.

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