Patent ID: 8388239
Filing Date: 2013-03-05
Classification: G02B,H05K

Abstract:
1. An opto-electric hybrid module manufacturing method for manufacturing an opto-electric hybrid module including a middle portion, a light emitting end portion provided on one of opposite sides of the middle portion, and a light receiving end portion provided on the other side of the middle portion, the method comprising the steps of: preparing a first board for the middle portion, the first board having an optical waveguide with a core extending from one end to the other end thereof; preparing a second board for the light emitting end portion, the second board having an optical waveguide with a core connectable to one end of the core of the optical waveguide of the first board, an alignment mark provided at a predetermined position with respect to the core thereof, and a light emitting element mounted with reference to the alignment mark thereof; preparing a third board for the light receiving end portion, the third board having an optical waveguide with a core connectable to the other end of the core of the optical waveguide of the first board, an alignment mark provided at a predetermined position with respect to the core thereof, and a light receiving element mounted with reference to the alignment mark thereof; when the core of the first board is formed, forming a first set of positioning guides, a second set of positioning guides, and the core of the first board simultaneously from one photosensitive resin layer by a photolithography method using one photomask, the first set of positioning guides positioning opposite side edges of the core of the optical waveguide of the second board, the second set of positioning guides positioning opposite side edges of the core of the optical waveguide of the third board; checking if light emitted from the light emitting element is outputted from an end of the core of the optical waveguide of the second board and, if the outputted light is detected, attaching the second board to the one side of the first board to connect the core of the optical waveguide of the second board to the core of the optical waveguide of the first board by using the first set of positioning guides; and checking if light inputted from an end of the core of the optical waveguide of the third board is received by the light receiving element and, if the received light is detected, attaching the third board to the other side of the first board to connect the core of the optical waveguide of the third board to the core of the optical waveguide of the first board by using the second set of positioning guides.