| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an inexpensive photoelectric transformation module for optical communication, which contrives the miniaturization as well as the reduction of height of the same and which is capable of coping with high frequency signaling and speed increasing in a transmission speed. <P>SOLUTION: In the photoelectric transformation module for optical communication, a first groove 28 formed on one surface of a substrate 27 is opposed to a second groove 29 formed on the other surface of the same, and a through hole 30 is provided so as to penetrate between the bottom surfaces of the first groove 28 and the second groove 29. Air-tight sealing is effected so that the surface of a light emitting element 21 or a photo receptor 22 which is mounted on the first groove 28, and the surfaces of optical elements 32-34 which are mounted on the second groove 29, are opposed to each other in parallel. The light emitting element module or a photo receptor module is formed by utilizing the thickness of the substrate 27 whereby the miniaturization and the reduction of height can be realized. <P>COPYRIGHT: (C)2004,JPO&NCIPI |
