Bolometer element, bolometer cell, bolometer camera and method

Heikki Seppae (Inventor), Panu Helistoe (Inventor), Arttu Luukanen (Inventor)

Research output: PatentPatent


The invention relates to a bolometer element, a bolometer cell, a bolometer camera, and a method for reading a bolometer cell. The bolometer cell comprises several bolometer elements, which comprises several bolometer elements located in a matrix, as well as conductors for detecting electrically from each bolometer element the radiation power acting on the bolometer elements, in which case each bolometer element comprises a first bolometer (601) having a first heating resistance (611) for sensing radiation power acting on the element. According to the invention, each bolometer element additionally comprises a second bolometer (602), having a second heating resistance (612), in which case in each bolometer element the first (601) and second (602) bolometers are electrically connected to each other in such a way that the heating resistance (611) of the first bolometer (601) can be biased with the aid of a voltage through the heating resistance (612) of the second bolometer (602) in order to amplify the radiation power detected with the aid of the connection. With the aid of the invention, it is possible to implement an extremely sensitive bolometer camera.

Patent family as of 2.9.2021
AT553360 E 20120415 AT20080151201T 20080208      
DE602008014734 D1 20120606 DE200860014734T 20080208      
EP1965184 A1 20080903 EP20080151201 20080208      
EP1965184 B1 20120411 EP20080151201 20080208      
FI119158 B 20080815 FI20070005109 20070216      
FI20075109 A0 20070216 FI20070005109 20070216      
US2011254959 AA 20111020 US20080071058 20080214      
US8063369 BB 20111122 US20080071058 20080214

Link to current patent family on right 


Original languageEnglish
Patent numberEP1965184
IPCG01J 5/ 24 A I
Priority date16/02/07
Publication statusPublished - 3 Sept 2008
MoE publication typeH1 Granted patent


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