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Paul Scherrer

Paul Scherrer. Institut. Bump-Bonded Module, 80 x 36 mm 2 , 366 x 157 Pixels. Bonded by Sylvan Streuli. SLS Detector Group. Paul Scherrer Institut. PILATUS Module. Module data Active area: 79.6 x 35.3 mm 2 (continuously sensitive) 157 x 366 = 57462 pixels

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Paul Scherrer

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  1. Paul Scherrer Institut Bump-Bonded Module, 80 x 36 mm2, 366 x 157 Pixels Bonded by Sylvan Streuli SLS Detector Group

  2. Paul Scherrer Institut PILATUS Module • Module data • Active area: 79.6 x 35.3 mm2 (continuously sensitive) • 157 x 366 = 57462 pixels • 16 chips (radiation hard) • Pixel size 0.217x0.217 mm2 • Readout-time: 5 ms • Energy range: Eg >4 keV • Minimum threshold 2 keV • Threshold adjust per pixel • Threshold RMS 6% of threshold • Rate: 1 MHz/pixel • 15-bit counter/pixel • single photon counting, no readout noise SLS Detector Group

  3. Paul Scherrer Institut Final Module Assembly Sensor Chips High Density Interconnect Wirebonds Module Control Board • Delicate and time-consuming manufacturing • Redesign MCB + HDI in one piece SLS Detector Group

  4. Paul Scherrer Institut Bank with 3 Modules SLS Detector Group

  5. Paul Scherrer Institut Module Fabrication Improved cleaning procedure prior to bump pressing: Ultra sonic cleaning at LMN Bank: Illumination with Fe-Source (6KeV) in the Lab: Module 2 (Sept 01) 15% Module 6 (April 02) 2.9% Module 5 (Nov 01) 14% Module 6 Total Nr of pixels: 57462 Defects digital: ~1100 (1.9%) Defects bump bonding: <330 (0.6%) Defects analog: Rest Total defects measured: 1670 (2.9%) SLS Detector Group

  6. Paul Scherrer Institut Flat-Field Correction of Pixel Detector Images Uncorrected Corrected for: • 1/r2 • Angle of incidence • Air absorption • Silicon absorption path SLS Detector Group

  7. SLS Detector Group Continuous fine f-slicing with the PILATUS-Detector Duty cycle = 96.7% Exposure = 500 ms Deadtime = 17 ms Recently improved to 6.7 ms readout time, giving >98% duty cycle.

  8. Paul Scherrer Institut Lysozyme: MOSFLM - ‘Autoindex” and ‘Predict’ SLS Detector Group

  9. Paul Scherrer Institut Lysozyme: MOSFLM - Refined Cell SLS Detector Group

  10. Paul Scherrer Institut Translation of DMILL chip into 0.25 mm-design 175 x 175 mm2 • New features: • 18 bit counter • simpler + faster Amplifier • 6 instead of 4 trimbits • Schmitt-trigger + pulsgenerator in digital part • Analog and comparator output 150 x 150 mm2 Submission: 25 April 8x8 pixels SLS Detector Group

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