Patent ID: 7226221
Filing Date: 2007-06-05
Classification: G02B

Abstract:
1. An optical module comprising: a holder having an optical fiber mounting hole on one side in axial directions thereof, and a cylindrical portion on the other side in the axial directions thereof; a ferrule fitted into the optical fiber mounting hole of the holder for mounting an optical fiber in the optical fiber mounting hole; a photoelectric transfer element package received in the cylindrical portion of the holder so as to engage therewith; and a lens, arranged between the optical fiber mounting hole and cylindrical portion of the holder, for causing the optical fiber to be optically coupled with the photoelectric transfer element package, said lens having a smoothly curved surface which projects toward the photoelectric transfer element package, wherein said lens and said holder are formed of a plastic so as to be integrated with each other, and said cylindrical portion of said holder has a plurality of slits extending from an open end thereof to a root portion thereof.