Sensor meetingA. Furgeri 1 Status report IEKP – University of Karlsruhe Alexander Furgeri
Sensor meetingA. Furgeri 2 QTC Optical inspection of (16/40) –KA-Set 9 (2.) W5B (5/5) –KA-Set 10/1 W5B (3/8) –KA-Set 11/1 W6B (4/10) –KA-Set 11/2 W6B (4/4) Electrical measurements of KA-Set 9 (2.) IV & CV of KA-Sets 10 to 11 (18/35) Summary IQC
Sensor meetingA. Furgeri 3 Optical inspection KA-S9 Batch Delivery W5B KA-S10/1 Batch W5B (3/8) KA-S11/1 Batch W6B (4/10) KA-S11/2 Batch W6B
Sensor meetingA. Furgeri 4 Impressions of opt. inspection IV&CV OK ! ?
Sensor meetingA. Furgeri 5 Summary of optical inspection Scratches ! On surface and on backplane ! – many at the same region of the sensors (handling facility ?) – some are really deep ! Antistatic sheets to small for W5B No -stamps on backplane No sensor failed
Sensor meetingA. Furgeri 6 IV-curves of KA-Set 9 (2.) KA-S9 Batch Delivery No failures !
Sensor meetingA. Furgeri 7 CV-curves of KA-S9 KA-S9 Batch Delivery
Sensor meetingA. Furgeri 8 Strips of KA-S9 No failures !
Sensor meetingA. Furgeri 9 IV-Curves of KA-Set 10/2 2 failures ! W5B Delivered
Sensor meetingA. Furgeri 10 CV-curves of KA-Set 10/2
Sensor meetingA. Furgeri 11 IV-curves of KA-Set 11/1 No failures ! W6B Delivered
Sensor meetingA. Furgeri 12 CV-curves of KA-Set 11/1
Sensor meetingA. Furgeri 13 IV-curves of KA-Set 11/2 1 failure ! W5B Delivered
Sensor meetingA. Furgeri 14 CV-curves of KA-Set 11/2
Sensor meetingA. Furgeri 15 Summary of QTC KA-S9/2KA-S10/1KA-S10/2KA-S11/1KA-S11/2 Optical inspected 5/53/80/134/104/4 measured5/50/8 10/13 Only IV/CV 4/10 Only IV/CV 4/4 Only IV/CV Failures Opt/IV/ strips 0/0/00/0/00/0/00/0/00/2/00/2/00/0/00/0/00/1/00/1/0 Accepted %
Sensor meetingA. Furgeri 16 IQC Status of cyclotron: –Mechanical part ready –Electrical part problematically Old components (1962) Many improvements (automatic temperature control, flux measurement ) Comparison of Cint-ramps between Louvain and Karlsruhe Statement of main technician: „Ask in 2 weeks“
Sensor meetingA. Furgeri 17 Cint-bumps Effect only on irradiated ST-mini´s seen Caused by low Rint ( that´s the problem) 1 mini sent to Louvain 3 mini´s sent from Louvain to us, but storage over christmas (3 weeks) at unknown temperature
Sensor meetingA. Furgeri 18 Comparison KA-Louvain KA-mini irradiated with p Karlsruhe Louvain Same behavior! But different values !? Strip 92
Sensor meetingA. Furgeri 19 Cint ramps Cint Dissipation
Sensor meetingA. Furgeri 20 Rint ramps 1 8 Maximum of Cint corresponds to Minimum of Rint
Sensor meetingA. Furgeri 21 Ileakage ramps Profil from 400 V Udep
Sensor meetingA. Furgeri 22 Cint ramps (2) In middle of sensor „constant“
Sensor meetingA. Furgeri 23 Rint ramps (2) 1 27 In middle of sensor „constant“ Lowest value ~60MOhm
Sensor meetingA. Furgeri 24 Ileak ramps (2) Ileak ramps (2) -12°C -10°C -11°C Ileak-bumps are no effect of changing temperature during measurement
Sensor meetingA. Furgeri 25 Summary of bumps No temperature effects Still in „Calibration“ between KA and Louvain –Same behaviour –Different absolute values (due to LCR-mode ?)
Sensor meetingA. Furgeri 26 Outlook Comparison between Cp-D mode and Cp- Rp mode in KA Measurement of Louvain irrad. Mini in KA –Comparison of Rint ! –Comparison of Rpoly increase (see Eric) Perhaps irradiations ?