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Siliconus Maximus SDW2005 Scientific Detector Workshop June 19 – 25, 2005 Taormina, Italy

Siliconus Maximus SDW2005 Scientific Detector Workshop June 19 – 25, 2005 Taormina, Italy Richard A Bredthauer Semiconductor Technology Associates, Inc. 27122 Paseo Espada, Suite 1004 San Juan Capistrano, CA 92675 949-4811595 r.bredthauer@sta-inc.net and Michael Lesser

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Siliconus Maximus SDW2005 Scientific Detector Workshop June 19 – 25, 2005 Taormina, Italy

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  1. Siliconus Maximus SDW2005 Scientific Detector Workshop June 19 – 25, 2005 Taormina, Italy Richard A Bredthauer Semiconductor Technology Associates, Inc. 27122 Paseo Espada, Suite 1004 San Juan Capistrano, CA 92675 949-4811595 r.bredthauer@sta-inc.net and Michael Lesser UA Imaging Technology Laboratory 325 S. Euclid Ave., Suite 117 Tucson AZ 85721-0330 520-621-4236 lesser@itl.arizona.edu Semiconductor Technology Associates

  2. CCD Growth • Relentless growth to larger and larger devices with more and more pixels. • Applications to Digital still photography and astronomy CMOS IMAGER Semiconductor Technology Associates

  3. GuiderMinimus • STA1220A • 2560x256 15 micron dual output • ~ 3 electrons noise • Guider for Carnegie and CFHT Semiconductor Technology Associates

  4. KEPLER • Space based planet finder • Prototype development • E2V did production • 4-phase, 3-edge buttable CCD imager • 2200 (Serial) X 1024 (Parallel) 27-micron square pixels, • Split serial readout register at the bottom. Semiconductor Technology Associates

  5. FAME • Space based imager • 3-phase, 3-edge buttable CCD imager • 2048 (Serial) X 4096 (Parallel) 15-micron square pixels, • Split serial injection register at the top • Split serial readout register at the bottom. Semiconductor Technology Associates

  6. Orthogonal Transfer Array • Enables charge transfer in arbitrary directions • Capable of performing tip-tilt directly within the CCD • Collaborative program to PanSTARRS with CFHT and Lincoln Labs • Source of OTAs for WIYN ODI program Semiconductor Technology Associates

  7. Orthogonal Transfer Array • 3840x3952 Array of 8 x 8 cells of 480x494 pixels • 12 micron pixels • Control lines for each cell • Single readout for each column of 8 cells • Second iteration this summer Semiconductor Technology Associates

  8. STA0500A • Custom lot run for UA astronomy • 4kx4k 15 m pixels • Two device per wafer • Low noise amps • Several other custom devices on wafers • Two lots completed Semiconductor Technology Associates

  9. STA0500A Measured Backside Performance • 2.8 electrons noise @ 50 kHz • HCTE and VCTE > 0.999998 • Full well >80,000 electrons MPP mode • 4 amplifiers • 1,2, & 4 channel full frame readout • Dark current  10 e/pix/hour @ -100C Semiconductor Technology Associates

  10. UA Foundry Wafer • 2 4kx4k CCDs • 4 2688x512 CCDs • 4 1200x800 CCDs • 512x1024 FT guiders • 128x128 AO devices Semiconductor Technology Associates

  11. STA0500A CTE SN3556 HCTE SN3557 VCTE CTE > 0.999998 Semiconductor Technology Associates

  12. Typical STA0500 Yield • 44% unshorted from 24 wafers • Grading: • A/B – 15 (astronomy grade) • C – 3 (engineering or special applications) • D/F – 5 (typically unusable) • Standard package is 3.0” Kovar tub • Available both frontside and backside Semiconductor Technology Associates

  13. QE @ -115 C – Blue Optimized Semiconductor Technology Associates

  14. QE @ -100 C – Broad Band Semiconductor Technology Associates

  15. Magellan Imagery • Received from ITL and imaging in Chile in a record 2 weeks • LDSS III Spectrograph Semiconductor Technology Associates

  16. Other Large Area Arrays • 4kx8k Frame Store • 8 micron pixels • 16 outputs • 2k x 2k • 27 micron pixels • 4 outputs Semiconductor Technology Associates

  17. Maximus • Full 6” wafer imager • 10k x 10k pixels • Greater than 100,000,000 pixels per frame • Multiple low noise outputs • 10 second full frame readout • Backside thinned for max QE • Brontosaurus of CCD imagers Semiconductor Technology Associates

  18. Hypothetical cost analysis6.4 gigapixel science grade array • 80,000 x 80,000 pixels • 400 4kx4k 15 micron CCD imagers • $50,000 each • Total cost of $20,000,0000 • 64 10kx10k 9 micron CCD imagers • $250,000 each • Total cost of $16,000,0000 • 100 8kx8k 15 micron CCD imagers • $220,000 each • Total cost of $22,000,0000 Semiconductor Technology Associates

  19. Space Based Universe • Corollary to Ground Based universe • Can stir the public imagination • CASSINI Mission • Last multibillion dollar NASAspace mission > $3 Billion US • Spectacularly successful accomplishment Semiconductor Technology Associates

  20. CCD Results • Outstanding imagery of the surface of Titan • Equivalent 1 cm resolution from 1 billion km will require a 10,000 km telescope mirror • 8x the diameter of Earth Semiconductor Technology Associates

  21. Space Science • DISR CCD was also used for the 1996 Mars Pathfinder Mission • Comprehensive data for years of scientific analysis and a greater understanding of our solar system and universe. Semiconductor Technology Associates

  22. FINE Semiconductor Technology Associates

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