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MKIR detector
mount block (with plastic cover) |
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Another oblique
view |
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Top view. Plexiglass
cover protects the bare multiplexer (MUX) used to test detector cabling
and readout electronics. |
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Backside of MKIR
detector mount block, showing electrical connectors |
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Bare MUX (gray
square at center, surrounded by gold) mounted in MKIR detector mount
block. |
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MUX zoom. The
silicon readout is the gray square in the center. Contacts are gold
fingers all around outside of ceramic chip carrier. Thin, gold bond
wires are just visible between the silicon readout chip and the gold
contacts. |
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Bare MUX in MKIR
detector block, with safety plexiglass cover over front. |
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Pinout list spreadsheet |
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50 mm camera
lens on red mount plate. This setup allows the bare MUX to be used
as a test imager for room temperature checkout of the array electronics. |
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Ribbon cable
set. These carry all of the detector signals, biases, and clocks from
the warm cryostat bulkhead to the detector in the cold volume of Mimir. |
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Cabling detail.
The connectors at right engage the bulkhead hermetic Mil Spec connectors.
The splice connectors at left emulate the feedthroughs at the cold
bulkhead. |
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Cabling detail
at detector end. The 3x32 VME connectors engage the sockets at the
back of the detector block. The IDC splices emulate the feedthroughs
in the sides of the detector unit cover. |
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Connectors for
the ribbon cable at the warm side. The top row (red and blue) connectors
are hermetically sealed to their aluminum cover plates. These plates
carry o-rings to make a vacuum seal with a short riser and block off
the warm cryostat bulkhead. The lower row of connectors was used for
warm testing with the bare MUX. |
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Backside detail
of one of the hermetically sealed connectors and its IDC socket fanout
board. The ribbon cables from the detector plug into these IDC sockets. |