| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a high quality optical device and its manufacturing method, an optical module, and a circuit board and an electronic instrument. <P>SOLUTION: A plurality of covers 30 each including an optically transparent section are mounted on a board 10 on which a plurality of optical devices 60 each including a plurality of optical sections 14 are mounted. Each optical section 14 is sealed by each cover 30. The board 10 is cut into individual optical devices 60a. <P>COPYRIGHT: (C)2003,JPO |
