| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a reflective light transmission/reception device provided with an ultraviolet light emitting element and a light reception element adjacently to each other, miniaturizable, and can increase luminous energy of ultraviolet light emission. <P>SOLUTION: This reflective light transmission/reception device 1 is characterized in that an element mounting-side lead 7 is installed to position a chip element mounting part 7f at a central part above a concave reflective surface 2 of a concave case 6; a plurality of wire connection-side leads 81, 82 and 83 are installed to position chip wire connection parts 81a, 82a and 83a at the central part above the reflective surface 2; ultraviolet light emitting elements 91 and 93 and a light reception element 92 are mounted to the element mounting part; wires 101, 102 and 103 are bonded between the respective elements 91, 92 and 93 and a plurality of wire connection parts 81f, 82f and 83f, respectively; and a transparent resin is filled in the concave part of the concave case and cured to fix the leads, the ultraviolet light emitting elements, the light reception element and the wires located in the concave part. <P>COPYRIGHT: (C)2010,JPO&INPIT |
