Patent ID: 9625314
Date: 2017-04-18
CPC Classifications: G01J

Claim:
1. A spectrometer comprising: a package having a stem and a cap provided with a light entrance part; an optical unit arranged on the stem within the package; and a lead pin penetrating through the stem; wherein the optical unit has: a dispersive part for dispersing and reflecting light entering the package from the light entrance part; a light detection element for detecting the light dispersed and reflected by the dispersive part; a support for supporting the light detection element such as to form a space between the dispersive part and the light detection element; a projection projecting from the support; and a wiring including a first terminal part electrically connected to a terminal of the light detection element and a second terminal part arranged in the projection; wherein the projection is arranged at such a position as to be in contact with the stem; and wherein the lead pin is electrically connected to the second terminal part.