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MLE Creative recruits technical specialists to its medical and healthcare team
Manufacturer creates new bed for spinal injury treatment55212 Silicon Strip Radiation Detectors
Tender for the provision of Silicon Strip Radiation Detectors. The equipment described below must as a minimum meet the following specifications:
- Description: High-energy (50-200MeV/u) exotic nuclei will be implanted into a silicon double-sided silicon strip detector. Subsequent low-energy radioactive decays will be measured it is expected that the operational lifetime of each detector will be limited to ~weeks by radiation damage caused by the implanted nuclei necessitating regular purchases of replacement detectors over the project lifetime (~5-10 years).
- Detector Dimensions: Active area: 8cm x 8cm.
- Strips: 128 x 128.
- Strip pitch: 0.625mm.
- Strip width: 0.575mm.
- Wafer thickness: 1mm.
- Detector Type: dc-coupled DSSSD.
- Standard implant/metalisation.
- Multiple guard ring.
- Integrated bias resistors 15+/-5 MOhm.
- Leakage current (at operating bias at 20 deg C).
- Maximum 3000nA, typical 2000nA (8cm x 8cm wafer).
- Maximum 10000nA, typical 5000nA (8cm x 24cm wafer).
- Maximum 50nA/strip.
- 100 % compliance for production detectors
- Operating bias complete charge collection for 5.5MeV 241Am.
- Alpha particles incident on low field contact.
- Detector Package: FR4 PCB.
- Transmission mounting.
- Package type #1 - one (8cm x 8cm) wafer.
- 128+128=256 channels
- Connector: 2 off Samtec FTSH-series right-angle header.
- Dimensions: maximum 96mm x 96mm (including Samtec FLE-series.
- Socket fitted to the PCB Samtec FTSH-series header).
- Package type #2 - three (8cm x 8cm) wafers.
- (3x128)+128=512 channels
- N+n ohmic strips - serial daisy chain.
- Connector: 4 off Samtec FTSH-series right-angle header.
- Dimensions: maximum 236mm x 96mm (including Samtec FLE-series.
- Socket fitted to the PCB Samtec FTSH-series header).
- Operating Environment: Detectors will operated at atmospheric pressure.
- (recirculated inert, dry gas) or vacuum (~10^-6 mbar).
- At temperatures in the range ~ 0-25 deg C.
- Quantity: Mechanical samples (PCB + connector only).
- 2 off package type #1
- 2 off package type #2
- Prototypes: 4 off package type #1.
- 2 off package type #2
- Initial Production: 4 off package type #1.
- 2 off package type #2
Further information and full details of the contracting authority are available on request.
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