Siliconus Maximus SDW 2005 Scientific Detector Workshop June

Siliconus Maximus SDW 2005 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

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

Guider Minimus • STA 1220 A • 2560 x 256 15 micron dual output • ~ 3 electrons noise • Guider for Carnegie and CFHT Semiconductor Technology Associates

KEPLER • Space based planet finder – Prototype development – E 2 V 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

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

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

Orthogonal Transfer Array • 3840 x 3952 Array of 8 x 8 cells of 480 x 494 pixels • 12 micron pixels • Control lines for each cell • Single readout for each column of 8 cells • Second iteration this summer Semiconductor Technology Associates

STA 0500 A • • • Custom lot run for UA astronomy 4 kx 4 k 15 m pixels Two device per wafer Low noise amps Several other custom devices on wafers Two lots completed Semiconductor Technology Associates

STA 0500 A Measured Backside Performance • • 2. 8 electrons noise @ 50 k. Hz 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 @ -100 C Semiconductor Technology Associates

UA Foundry Wafer • 2 4 kx 4 k CCDs • 4 2688 x 512 CCDs • 4 1200 x 800 CCDs • 512 x 1024 FT guiders • 128 x 128 AO devices Semiconductor Technology Associates

STA 0500 A CTE SN 3556 HCTE SN 3557 VCTE > 0. 999998 Semiconductor Technology Associates

Typical STA 0500 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

QE @ -115 C – Blue Optimized Semiconductor Technology Associates

QE @ -100 C – Broad Band Semiconductor Technology Associates

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

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

Maximus • Full 6” wafer imager • 10 k x 10 k pixels • Greater than 100, 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

Hypothetical cost analysis 6. 4 gigapixel science grade array • 80, 000 x 80, 000 pixels • 400 4 kx 4 k 15 micron CCD imagers – $50, 000 each – Total cost of $20, 0000 • 64 10 kx 10 k 9 micron CCD imagers – $250, 000 each – Total cost of $16, 0000 • 100 8 kx 8 k 15 micron CCD imagers – $220, 000 each – Total cost of $22, 0000 Semiconductor Technology Associates

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

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 • 8 x the diameter of Earth Semiconductor Technology Associates

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

FINE Semiconductor Technology Associates