Sumitomo Electric Industries, Limited

Kouji Kishimoto

Ryugen Yonemura

Takanori Sawai

An optical module has a connector housing and a photoelectric transfer unit received in the connector housing. The photoelectric transfer unit (photounit) has a lead frame, a photoelectric transfer element and an IC element for signal processing which are mounted on the lead frame. These elements are sealed in a transparent resin molding. The photoelectric transfer unit has six sides and has lead terminals protruding from one of the six sides. All sides of the unit except the side at which the lead terminals protrude are covered with a metal shield case formed with a hole as a light path leading to the photoelectric transfer element.

Growing community of inventors

Osaka, Japan

Kouji Kishimoto