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PCB      PCB   ,      .                   .          ,    .     ,              .     PDMS  mold     .     PCB      .Abstract: In this study, an optical PCB was proposed which can overcome the limitations of the conventional PCB,and a new structure with pluggable lens was considered for a high-efficient passive alignment. The structure was a lens-added optical waveguide for the improvement of misalignment between the lens and the waveguide in the alignment.Also, as it had a barrier-type structure to prevent the surface damage of the lens by desorption, the high-efficient passivealignment can be realized. The structure was designed by optimizing the simulation and the fabrication process of thepluggable lens structure was conducted using the repetitive photolithography and the thermal reflow. The opticalwaveguide with the lens-integrated pluggable interconnection was fabricated by the imprint process using thepolydimethylsiloxane(PDMS) replica mold. Therefore, we confirmed the possibility of pluggable lens-added opticalwaveguide structure fabrication for high- efficient passive alignment. Keywords: Optical PCB, Optical interconnection, pluggable lens, reflow process, Passive alignment

A Study on the design and fabrication of Pluggable Lens for Optical PCB Interconnection