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DSSD Sensor Numbering and Inventory

DSSD Sensor Numbering and Inventory. SVD meeting. HPK Batches received. F irst try Batch no. 10938 - 9239, sensor no. < 20 Second (by KEK/HPK called “third”?): Batch no 10938 - 9239 sensor no. 46-48 Next batch ( 10938- 0404) sensor no 52,53 currently last (called “third” from now on)

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DSSD Sensor Numbering and Inventory

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  1. DSSD Sensor Numbering and Inventory Thomas Bergauer (HEPHY Vienna) SVD meeting

  2. HPK Batches received • First try • Batch no. 10938-9239, sensor no. < 20 • Second (by KEK/HPK called “third”?): • Batch no 10938-9239 • sensor no. 46-48 • Next batch (10938-0404) sensor no 52,53 • currently last (called “third” from now on) • Conventionally diced (diamond blade) • Fourth batch (no 10938-0306) sensor no 80-81 • Similar to third batch but • Diced using HPKs “stealth dicing” technology (laser) • Recommendation: Set-up database and store information about every single sensor • Reception at KEK/Vienna from company • Transports (track actual position of every sensor) • Measurements, results, qualification Slide from Nov B2GM Thomas Bergauer (HEPHY Vienna)

  3. HPK Schedule and Deliveries • Scheduled 2011: 3 times 32 pcs. (96pcs) Table from Nov B2GM • Delivered 2011: 12+16+6= 34 pcs, 1/3 of schedule Thomas Bergauer (HEPHY Vienna)

  4. Mail from Toru (24. November) Dear Thomas, It took some time to recall the numbers of sensors I ordered to HPK, but I could find. 2011:   74  2012:   40 ------------- Total 114 ----- KEK did multi-fiscal-year contract with HPK for the first time. We have already received (12+16+6-1) sensors we have 147 sensors in total. (The 2010 batch are for R&D and do not have be installed to Belle2.) We already have used several sensors for R&D. Some questions/comments by myself: • Does this mean the the sensors delivered so far do not count to the official order? • Several modules built by us not been counted there! • How many spares do we need? Assuming 30%, we need to aim 170 pcs! Discrepancy to table shown at B2GM! Thomas Bergauer (HEPHY Vienna)

  5. Belle II SVD Layout Markus Friedl

  6. Database needed Needs to contain: • Registration: scan barcode and enter basic sensor information • Inventory handling: which sensors are in which institute • Transfers: shipments from one center to another • Measurement results • Own measurements • HPK measurements • Good/bad/broken handling • Later: modules, ladders, assembly CMS used local Java program interfacing to central Oracle DB Belle-II: Web interface with mySQL Thomas Bergauer (HEPHY Vienna)

  7. Web Interface • Login: Username/password to identify user (=institute) • Inventory: shows list of all objects (now only sensors) • Click on sensor shows all information for it (i.e. all measurements and history) • Shipments: transfer to inventory of other institute • Assembly: build modules, ladders, layers (later) • Question: how to upload measurement results? • Via web-interface? • Directly via SQL from probestation (Labview) Thomas Bergauer (HEPHY Vienna)

  8. Object Numbering • Each object needs to have an unique ID number to distinguish • CMS: Barcodes with 14 digits on all objects (sensor: envelopes) • HPK printed it already onto their envelopes • Now: HPK is also willing to do, but we need to define numbering scheme • HPK will use code128 • Improvement to code39 used in CMS Thomas Bergauer (HEPHY Vienna)

  9. Numbering Scheme • E.g. Sensor 2 02 01 2 0404 52 (12 digits) • Meaning of digits: • 2…….....Belle-II • 02…..….SVD (01…PXD,…) • 01………Sensor (02…Hybrid, 03…Ladder,…) • 2…….....HPK (1…Micron) • 0404.…..HPK Batch No. • 52………Sensor within batch • Written without blanks: 202012040438 • Micron also used 4 digit batch and 2 digit sensor-within-batch Thomas Bergauer (HEPHY Vienna)

  10. That’s it. ;-) Thomas Bergauer (HEPHY Vienna)

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