| 20110314901 | PHOTOELECTRIC GAS SENSOR DEVICE AND MANUFACTURING METHOD THEREOF - The instant disclosure provides a photoelectric gas sensor device and a manufacturing method thereof. The manufacturing method comprising the steps of: (A) providing at least two half-housing modules from at least one corresponding mold; (B) forming a reflecting layer on the ellipsoidal inner surface of the chamber unit; (C) forming a chamber unit having a reflective ellipsoidal inner surface defining a chamber space from the half-housing modules; (D) forming a reflecting layer on each inner surface of the two half-housings; and (E) disposing an emitter assembly having an energy emitter at the first focal point of the ellipsoidal chamber. A fine-adjustment mechanism may be further provided to enable clearance adjustment between the half-housing modules. | 12-29-2011 |
