Patent ID: 7303644
Filing Date: 2007-12-04
Classification: G02B,H04N

Abstract:
1. A manufacturing method of an optical device that includes a plurality of optical components arranged on an optical path of a light beam irradiated by a light source and an optical component casing with an illumination optical axis of the light beam being set therein, in which the optical components are housed and arranged at predetermined positions on the illumination optical axis, at least one opening penetrating toward the inside being formed on the optical component casing, the method comprising: placing the optical component casing at a predetermined position so that a part of a positioning jig is inserted to the at least one opening; housing the plurality of optical components inside the optical component casing through the at least one opening of the optical component casing and positioning at the predetermined position with the use of the positioning jig inserted to the at least one opening; and fixing the positions of the plurality of optical components positioned in the housing the plurality of optical components on the optical component casing.