Optical waveguides – With optical coupler – Particular coupling structure
Reexamination Certificate
2007-01-23
2007-01-23
Ullah, Akm Enayet (Department: 2874)
Optical waveguides
With optical coupler
Particular coupling structure
C385S052000, C385S147000
Reexamination Certificate
active
10984796
ABSTRACT:
An integrated type optical coupling device capable of easily accurately performing an optical arrangement between a narrow-pitch multi-channel optical waveguide and an optical fiber array and a master used in fabricating the same are provided. By forming a fixing projection between the optical fibers, the dynamic stability of the optical fiber array is increased and the optical arrangement between the optical waveguide and the optical fiber is easily accurately performed by hand. Accordingly, the cost required for the alignment is reduced and the alignment error due to the rolling of the optical fiber is not generated. In addition, the multi-step metal master is fabricated by using a photoresist film for X-ray exposure, and the narrow-pitch multi-channel optical coupling device is fabricated in a hot embossing method using the same, thereby the high-integrated device can be fabricated at a low price.
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Jeong Myung Yung
Kim Byeong Cheol
Kim Jin Tae
Electronics and Telecommunications Research Institute
Mayer Brown Rowe & Maw LLP
Ullah Akm Enayet
Wood Kevin S.
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