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Anode Wire Read Out (top). Cathode Pad Read Out (side). High Voltage (bottom). Frontend Board Connection. The fronted board has one full ground layer. The connection to this ground layer happens on 4 large ground pads on the corner of the chamber. Frontend Board Connection. - PowerPoint PPT Presentation
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03/12/2003 1T.Schneider/LHCb Muon
Muon Interface Meeting
Anode Wire Read Out (top)
03/12/2003 2T.Schneider/LHCb Muon
Muon Interface Meeting
Cathode Pad Read Out (side)
03/12/2003 3T.Schneider/LHCb Muon
Muon Interface Meeting
High Voltage (bottom)
03/12/2003 4T.Schneider/LHCb Muon
Muon Interface MeetingFrontend Board Connection
The fronted board has one full ground layer.
The connection to this ground layer happens on 4 large ground pads on the corner of the chamber
03/12/2003 5T.Schneider/LHCb Muon
Muon Interface MeetingFrontend Board Connection
We use screws to fix the board to the Faraday cage.
03/12/2003 6T.Schneider/LHCb Muon
Muon Interface MeetingFrontend Board Connection
• In order to assure good long term contact of the aluminum parts we will alodine them.
• ‘Alodining is the chemical application of a protective chromate conversion coating on aluminum’
• This procedure is used by the ATLAS MDT system ….
03/12/2003 7T.Schneider/LHCb Muon
Muon Interface Meeting
Shielding Dimensions
• Distance sensitive area <-> surface chip board in black( )• Conservative number in green (depending on board/connector
design)
+78 (+68)
+90 (+80) Sensitive (+80) +90 Area
+50
03/12/2003 8T.Schneider/LHCb Muon
Muon Interface Meeting
Low Voltage Regulator Board
2 cards(*2LWR) per chamber in the upper corner of the shielding
Dimensions:63mm
*(max)60mm