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PACS Photometer Bolometer Pixel

PACS Photometer Bolometer Pixel


Date: 19 September 2007
Satellite: Herschel
Depicts: SEM micrograph of PACS photometer bolometer
Copyright: CEA, Saclay, France

Top
Scanning electron microscope (SEM) micrograph of part of one PACS 16 × 16 bolometer matrix.

Bottom
The detail, marked by the red rectangle, shows the structure of one pixel: a (coarser) grid in the front acts as a resonant absorber while the (finer) grid in the back acts as a λ/4 back-reflector. The spacing as well as electrical connection between the two planes is provided by indium bump bonding.

Last Update: 1 September 2019
24-May-2022 21:20 UT

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