| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a spectroscopic module stabilizing the formation of a diffraction grating pattern, and to provide a method of manufacturing the same. <P>SOLUTION: In this spectroscopic module 1, a flange 7 is integrally formed to be thicker than a diffraction layer 6 along the periphery 6a of the diffraction layer 6. This can prevent the diffraction layer 6, which is formed along a convex curved surface 3a of a lens 3, from peeling off the curved surface 3 and being carried away by a master mold when mold releasing in forming the diffraction layer 6 and the flange 7 by using the master mold. Further, the diffraction grating pattern 9 is formed to deflect to a prescribed side of the center of the diffraction layer 6. Thus, the diffraction layer 6 can be prevented from peeling or the grating pattern 9 from being damaged by performing mold release in such a way that a prescribed side of the diffraction layer 6 is preceded by its opposite side. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
