US 11,889,223 B2
Explosively welded cooled infrared camera
Stephen Marinsek, Albuquerque, NM (US); and Thomas Peter Sprafke, Goleta, CA (US)
Assigned to Raytheon Company, Waltham, MA (US)
Filed by Raytheon Company, Waltham, MA (US)
Filed on Mar. 31, 2021, as Appl. No. 17/219,251.
Prior Publication US 2022/0321806 A1, Oct. 6, 2022
Int. Cl. H04N 5/33 (2023.01); G01J 5/04 (2006.01); G01J 5/00 (2022.01); H01L 23/367 (2006.01)
CPC H04N 5/33 (2013.01) [G01J 5/04 (2013.01); G01J 2005/0077 (2013.01); H01L 23/367 (2013.01)] 24 Claims
OG exemplary drawing
 
1. A cooled infrared camera comprising:
a window housing comprising:
a plate having an opening;
a window positioned in the opening of the plate;
a first sidewall having a first end connected to the plate;
a first flange connected to a second end of the first sidewall such that the first sidewall is between the plate and the first flange;
a first explosively welded joint between the plate and the first sidewall; and
a second explosively welded joint between the first sidewall and the first flange;
a header connected to the first flange of the window housing;
a warm end connected to the header;
a hermetically sealed chamber within the window housing and the header;
a coldfinger extending through the header and into the window housing;
a platform connected to the cold finger; and
an infrared sensor assembly positioned on the platform.