https://wiki.physik.uzh.ch/damic/ 2026-05-09T13:15:57+00:00 https://wiki.physik.uzh.ch/damic/ https://wiki.physik.uzh.ch/damic/lib/exe/fetch.php?media=wiki:dokuwiki.svg text/html 2024-11-15T13:06:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=acm_board&rev=1731675982&do=diff The Acquisition and Control Module (ACM Board) Detail schematics of the board are available here: ACM Schematics. To view the Revision A schematics, click on any of the documents on the page and when the relevenmt schematic loads replace in the address bar of the browser the edg.uchicago.edu/~bogdan/DAMIC_ACM/ text/html 2026-02-12T14:39:43+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=acquisition_and_control_module_acm_board&rev=1770907183&do=diff The Acquisition and Control Module (ACM Board) Schematics Detailed schematics of the board are available localy int he following table but also at ACM Schematics. To view Revision A schematics, use the relevant column from the table below or, if suing the external link provided above, click on any document on the page, and when the relevant schematic loads, replace text/html 2025-08-05T07:33:10+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=ccd_box&rev=1754379190&do=diff CCD Box Four 6×1.5 k CCD are placed inside a box, which is wirebonded to a flex, which connects to the pass through of the Test chamber. The pass through does invert the connection, this is corrected by the wirebonding of the CCD. In the below chapters there are the pin layouts of the samtec and DB50 connector, including the schematics and other files. text/html 2024-09-19T12:07:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=ccd_structures&rev=1726747620&do=diff CCD Structures Sine all CCD's grow together on the same waver they all have the same resistance. 10k Ω between p+ and ground (2 x 20k Ω in parallel). These are single die resistors that work in wire bonded between the flex pads. The following pictures depict various information about our CCD's: text/html 2024-09-18T12:29:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=crio&rev=1726662565&do=diff cRIO The cRIO system is a compact redundancy and safety system designed in Zurich to protect ccd's at the DAMIC-M experiment. For more information please read [Manual]. If you are intrested in building one yourself here are the [schematics] and the [cost]. text/html 2025-07-30T06:29:25+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=cryostat&rev=1753856965&do=diff Cryostat For DAMIC-M@Zurich a new Cryostat was commissioned. It is based on the design of the AlpineCube by P. Robmann, the cryo- and vacuumsystem staied the same. It is heavely modified on the cryohead mounting and CCD holders/assembly and was designed by text/html 2025-07-30T06:10:01+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=damic-m_zurich&rev=1753855801&do=diff DAMIC-M@Zurich Intro Spaceholder DAMIC-M@Zurich consist of multiple in house developed setup parts: * Cryostat * Large CCD Bookcase Assembly * Large CCD Single Module Support * Single Small CCD Module Support Frame and Die Box text/html 2025-07-21T11:33:07+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=darma&rev=1753097587&do=diff DAMIC-M@Zurich Intro Spaceholder DAMIC-M@Zurich consist of multiple in house developed setup parts: * Cryostat * Large CCD Bookcase Assembly * Single Large CCD Module Support * Single Small CCD Module Support text/html 2026-05-09T10:46:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=device_controll&rev=1778323598&do=diff Device controll To controll most of our devices we use a LabVIEW script, written by V. Gkougkousis, which is run on the server. For the devices which don't have the possibility to be remote controlled, we use a Power Device Unit (netio Power PDU 4PS), it's basically a remote controlled pluglist and allows to tunr off and on single outlets. This works as a controll unit for the vacuum pump, cryocooler, solenoid valve and emergency shut off for the server. text/html 2025-05-19T12:38:59+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=elegra_dieter_bosch_clean_room&rev=1747658339&do=diff Elegra Dieter Bosch Clean Room – Wirebonder Setup For the wirebonding process, we utilize a clean room originally supplied by Elegra Dieter Bosch GmbH (company liquidated in 2017). The clean room is equipped with a HEPA/ULPA filter unit from AAF, specifically the AstroCel™ II Dry Seal filter, which features the following specifics: text/html 2025-06-23T09:14:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=front-end-board&rev=1750670085&do=diff Front-End-Board Both the ACM and the LTA use the same front-end board, which was designed at the University of Zurich. It implements Low Noise, 1 GHz FastFET Operational Amplifiers (ADA4817-1), followed by a High-Speed, ±0.1 μV/°C offset drift, fully differential ADC driver per channel for a total of four channels. The ADA4817-1, based on Analog Devices provide ultralow noise (4 nV /√Hz), low offset voltage (2 mV maximum), and high input impedance. Power is supplied by the ACM/LTA board with a … text/html 2025-07-30T06:28:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=large_ccd_bookcase_assembly&rev=1753856902&do=diff Large CCD Bookcase Assembly To fully incorperate the DAMIC-M CCD Module a single Bookcase like CCD-Mount was developed, it is designed to hold up to four big DAMIC-M CCD Modules. Name Assembly Diagramm text/html 2024-10-09T13:28:28+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=leach_system&rev=1728480508&do=diff Leach CCD Readout System The Leach system was developed by David Leach as a third generation CCD readout for astronomical imaging. The system was commercialized by Astronomical Researc Cameras, which ceased activity in December 2022. Components or parts of the system are no longer available. text/html 2026-05-08T09:36:45+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=lock-in_amplifiers&rev=1778233005&do=diff Lock-In Amplifiers MFLI Zurich Instrument The Zurich Instruments MFLI is a high-performance digital lock-in amplifier platform designed for precision low-noise measurements, impedance spectroscopy, and advanced signal analysis. The base system operates from DC to 500 kHz, with an optional frequency extension up to 5 text/html 2025-10-26T12:12:00+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=low_threshold_acquisition_lta_board&rev=1761480720&do=diff Low Threshold Acquisition Board v1.0 To install the software for the LTA download it from the GitHub repository. After follow the installation guide, described in the README file. Unfortunately there is now list of commands, using the guide itself and asking around, we made a list of commands. This version of the LTA is not adapted to handle skipper CCD's, you have to make an adapter to use skipper CCD's, which we did (shematics can be found below). The LTA runs with text/html 2024-09-19T11:58:39+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=pages&rev=1726747119&do=diff Server On the following pages you find additional information regarding our Server and how to set it up. Remote Access Install UZH VPN and follow the guide there to get access to the UZH VPN. Install Xming for a graphical interface between Linux applications and Windows. Install text/html 2025-07-30T06:27:48+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=single_large_ccd_module_support&rev=1753856868&do=diff Large CCD Single Module Support Since the Large CCD Modules are quite expensive and hard to come by a single large Module holder was developed. Name Assembly Diagramm text/html 2025-07-30T06:33:22+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=single_small_ccd_module_support&rev=1753857202&do=diff Single Small CCD Module Support Frame and Die Box As a byproduct of the Large CCD Module production there are also very small CCD Modules, which are used in DARMA. For this small CCD we also developed a CCD Mounting case and a container. The two BOM can be found text/html 2025-02-05T14:48:53+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=software&rev=1738766933&do=diff There are different programs used by this setup, some are auxiliary programs that are needed for a specific device, others are needed only for a specific installation process and some are used to download/upload firmware. There is a distinction between program/software and auxiliary program/software, the auxiliary ones are only used for the installation process. For example if make is needed to install, for example software A it gets listed as a auxiliary software. text/html 2025-02-04T10:28:37+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=standa_low_vibration_optical_table&rev=1738664917&do=diff STANDA passive vibration damping optical table The entire setup is hosted on a STANDA passive vibration damping optical table. It consist of a hut, support and a filter unit. A complet visualisation is below: ---------- ---------- The table support used in this setup uses is the: 1TS05-12-06-AR. Different rubber support ellements are available the one used to hold the optical table are the support rubber leveling element 1TS-AR the ones for on the ground are the Solid leveling element 1TS… text/html 2024-09-19T12:02:56+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=substrate&rev=1726747376&do=diff Substrate This page shows you information about the substrate of the CCD's. The table below shows the specific specification of our CCD's: Specification Value Name text/html 2026-05-08T07:17:46+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=temperature_controll&rev=1778224666&do=diff Temperature Control To maintain stability ad sub-150K temperatures within the cryostaic volume, a mixed refrigerant Joule Thompson cooler combination with a PID driven heater / temperature sensor system is used. ORCA Cryo-Cooler The cryo-coller is an text/html 2026-05-09T10:36:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=vacuum_controll&rev=1778323004&do=diff Vacuum controll A vacuum controll instruments are implemented in the cryostat. As a pump functions the HighCube 80eco, as a sensor a PKR 251 connected to a TPG361 is used, all from PFEIFFER Vacuum. A solenoid valve is implemented in the system to separate the cryostat from the pump. As a solenoid valve funtions the text/html 2026-04-21T12:50:38+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=voltage_controll&rev=1776775838&do=diff Voltage controll We have two power supply units, both controlled by a LabVIEW script via the server. We use a Low Voltage Power Supply Unit (LVPSU), the HMP 2030 by Rohde & Schwarz. The LVPSU powers the LTA with 12 V and 1-2 A and supplies the base power for the CCD. For a High Voltage Power Supply Unit (HVPSU), we use the Keithley 2470 SourceMeter. It is used to deplete the CCD of any free charge, using around 50-70 V. It has very high precision, capable of measuring currents down to femtoampe… text/html 2026-05-04T13:47:44+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=wiki&rev=1777902464&do=diff UZH CCD Testing Setup (DAMIC-M / DAMIC) ---------- Introdoction This TWiki page is devoted to the functional description of the CCD testing setup at the Physics Institute of the University of Zurich and its associated hardware/software. A description of the cryostat, the associated electronics, and the instrumentation infrastructure is provided. The setup is based on the AlpineCube cryostat apparatus, an in-house design by the University of Zurich's Peter Robmann, and is currently located in … text/html 2025-05-19T12:45:49+00:00 Anonymous (anonymous@undisclosed.example.com) https://wiki.physik.uzh.ch/damic/doku.php?id=wirebonder_setup&rev=1747658749&do=diff Elegra Dieter Bosch Clean Room – Wirebonder Setup Wirebonder Setup Elegra Dieter Bosch Clean Room For the wirebonding process, we utilize a clean room originally supplied by Elegra Dieter Bosch GmbH (company liquidated in 2017). The system provides a controlled clean environment via vertical laminar airflow.The clean room is equipped with a HEPA/ULPA filter unit from