Patent ID: 8477305
Filing Date: 2013-07-02
Classification: G01J

Abstract:
1. A spectrometer comprising: a package on which a light-guiding portion is provided; a plurality of support members arranged in an inner wall plane of the package; a substrate to which the support members are jointed; a light detecting element mounted on the substrate; and a spectroscopic portion arranged between the support members opposed to each other for dispersing light made incident from the light-guiding portion and reflecting the light to the light detecting element, wherein the package is provided with a cap provided with the light-guiding portion and a stem in which the support members are arranged, an inner wall plane of the cap provided with the light-guiding portion opposes an upper plane of the substrate supported on the stem by the support members, and the spectroscopic portion is disposed between a lower plane of the substrate and the inner wall plane of the stem.