Self-formable optical waveguide material composition

Details Self-formable optical waveguide material composition Self-formable optical waveguide material composition

2005-05-10

2005-05-10

Berman, Susan (Department: 1711)

Coating processes

Optical element produced

Polarizer, windshield, optical fiber, projection screen, or...

C522S004000, C522S090000, C522S104000, C522S168000, C522S170000, C522S017000, C522S018000, C427S517000, C427S519000, C385S123000, C385S143000, C385S145000, C385S124000

Reexamination Certificate

active

06890589

ABSTRACT:
Into a mixture solution2of a high-refractive-index photo-curable resin A and a low-refractive-index photo-curable resin B, light capable of curing only the resin A is led through an optical fiber1so that a cured resin211of the resin A having a diameter substantially equal to the diameter of a core portion of the optical fiber is formed so as to extend from a tip of the optical fiber. Then, the residual mixture solution2is cured. In this manner, a module having the previously cured high-refractive-index resin211as an optical waveguide can be formed easily. On this occasion, the mixed state of the mixture solution2can be kept good enough to facilitate the formation of the high-refractive-index resin211when the solubility parameter δAof the high-refractive-index photo-curable resin A and the solubility parameter δBand volume fraction ΦBof the low-refractive-index photo-curable resin B satisfy the following expression (4).in-line-formulae description="In-line Formulae" end="lead"?|δA−δB|<−7.5ΦB+6.0  (4)in-line-formulae description="In-line Formulae" end="tail"?

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