| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a linear light source device which suppresses a warp of a light guide body and positions the light guide body and a heater. <P>SOLUTION: The linear light source includes the barlike light guide body and a light source disposed on one longitudinal end of the light guide body. The light source includes the heater attached thereto, which is made of any one of a metal, aluminum nitride, boron nitride, silicon carbide, and alumina. The light guide is placed on a holder made of a resin and extended along the light guide body, and is held by a holding portion disposed on the holder. The heater and the holder are provided with positioning portions coming in contact with each other in the longitudinal direction of the light guide body and with positioning portions coming in contact with each other in the latitudinal direction against the longitudinal direction. <P>COPYRIGHT: (C)2010,JPO&INPIT |
