Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kiyoshi Tateishi0
Date of Patent
August 22, 2006
0Patent Application Number
104295250
Date Filed
May 5, 2003
0Patent Primary Examiner
Patent abstract
A unit according to the present invention includes a substrate and an IC chip used for driving a light-emitting device. A relay terminal is provided at a region spaced from peripheral areas of the substrate so as to connect the light-emitting device with the IC chip. The relay terminal is connected with a corresponding terminal of the IC chip via a connecting channel such as wire-bonding. The light-emitting device is supported by the substrate such that a terminal of the light-emitting device is electrically connected with the relay terminal. A length of a wiring line between the light-emitting device for an optical pick-up and the unit used for driving the light-emitting device is decreased.
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