The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 10, 2012
Filed:
Dec. 02, 2010
Tzong-sheng Lee, Zhunan Township, Miaoli County, TW;
Tzong-Sheng Lee, Zhunan Township, Miaoli County, TW;
Unimems Manufacturing Co., Ltd., Hsinchu, TW;
Abstract
A manufacturing method for an infrared sensor includes the following steps: providing a wafer having several chips and a substrate; forming four soldering portions, a thermistor, and an infrared sensing layer on the bottom surface of each chip, wherein the soldering portions are connected electrically to the thermistor and the infrared sensing layer; disposing a soldering material onto at least one bonding location for each soldering portion; backside-etching each chip of the wafer to form a sensing film and a surrounding wall around the sensing film; bonding the wafer and the substrate; heating the soldering materials to connect the substrate and each chip of the wafer; disposing an infrared filter on the surrounding wall of each chip; cutting the wafer and the substrate to form a plurality of individual infrared sensors. The instant disclosure further provides an associated infrared sensor.