Science Detectors at Sofradir and ASTEROID Program Overview - Opticon

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Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Science Detectors at Sofradir and ASTEROID
                        Program Overview
                          Bruno FIEQUE (Project Coordinator)

                       OPTICON Meeting, 5th November 2018 (Heraklion, Greece)

5/11/2018              Bruno FIEQUE - COMPANY PROPRIETARY
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Agenda
    ■       Sofradir general presentation
    ■       Sofradir in Space
    ■       Science & Astronomy detectors at Sofradir
    ■       ASTEROID program

5/11/2018                 Bruno FIEQUE - COMPANY PROPRIETARY   2
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Sofradir, a merchant market supplier

 A merchant market positioning

 Two major defence and security global players
  shareholders

            □ 50% Thales

            □ 50% Sagem (Safran Group)

5/11/2018                  Bruno FIEQUE - COMPANY PROPRIETARY   3
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Sofradir and subsidiaries
                                    Turnover    – 2015 : €227M
                                     760 people 2017
                                  Turnover 2015
                                           1000: 204 M€
                                                  people

                            1986
                            730 people –
                            Turnover 2017 :
                            142 M €

     2008                                                        2002
     20 people                                                   200 people
     Turnover                                                    Turnover 2017:
     2017:                                                        76M€
     9.6 M€

5/11/2018                  Bruno FIEQUE - COMPANY PROPRIETARY                     4
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Sofradir is located in well-known European centers
            area for infrared and optronics

5/11/2018                  Bruno FIEQUE - COMPANY PROPRIETARY   5
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Sofradir offers all services for space
              applications
    Studies (preliminary evaluation of technologies, development of new building blocks, development of new products)
    Customized detectors for programs launched by space agencies
    COTS products used “as it is” or with minor customization

 Military applications                 Civilian applications                         Deep space science,
                                                                                         Astronomy

     Surveillance                      Meteorology                         Planet studies (Venus, Mars, Mercury)
     Mission preparation               Agriculture surveillance            Asteroids studies
     Early Warning System              Global warming studies              Telescopes
5/11/2018                                  Bruno FIEQUE - COMPANY PROPRIETARY                                       6
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Sofradir is the European leader
                                              for FM deliveries
 A unique position in Europe: we are the only space-qualified IR detector European
  company to have delivered scores of flight models :
                                  ■     70 Flight Models already delivered over the past decade
                                                                                                              S2A
                                                                                                                    ExomarsTropomi    Total FM in Space= 37
                                                                                                 Hayabusa                  & SGLI
                                       70                                                                                             Sentinel-2 : 12 new
                                                                                                                                       Sofradir detectors in
                                       60                                     Phobos-Grunt                                             space since June 2015
   Cumulated nb of delivered FM

                                       50                                                                                             Exomars: + 3FM in
                                                                                                                                       2016
                                       40
                                                                       Spirale (x2)                                                   Tropomi: + 1FM in
                                       30                                                                                              2017
                                       20Venus Express
                                                                      Helios 2B                                                       SGLI: + 2FM (dec 17)
                                                                                                                                      We foresee ~20-25 FM
                                      Helios
                                       10    2A                                                                                        launched in space in
                                        0
                                                                                                                                       the next 3-5 years
                                            2002 2003 2004 2005 2006 2007 2008 2009 2010 2011 2012 2013 2014 2015 2016 2017

5/11/2018                                                                     Bruno FIEQUE - COMPANY PROPRIETARY                                    7
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Space experience / HgCdTe Experience
      ■ More than 70 Flight Models            ■ Full detector manufacturing
        delivered
                                                chain mastering
      ■ 36 FM are today in various
        spacecrafts
      ■ Detectors covered wavelenght
        from ViSNIR to VLWIR

5/11/2018              Bruno FIEQUE - COMPANY PROPRIETARY            8
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
ESA previous astronomy
             development studies
                    results

5/11/2018      Bruno FIEQUE - COMPANY PROPRIETARY   9
Science Detectors at Sofradir and ASTEROID Program Overview - Opticon
Context of the studies
    ■ The objective of the studies is to answer European Space Agency (ESA)
      needs for their Cosmic Vision program (2015-2025) including science and
      astronomy applications

    ■ What ESA needs :
            □   NIR/SWIR Large Format Arrays (LFA)
            □   Products made by an European manufacturer
            □   Components capable of working in low fluxes environments (i.e low noise and low
                consumption capability)

    ■ ESA studies launched for 8 years to develop science
      detector at Sofradir, CEA LETI, CEA IRFU

5/11/2018                         Bruno FIEQUE - COMPANY PROPRIETARY                       10
Building blocks
                 ROIC : SFD input Stage                                LPE (MBE) epitaxy - p/n
                                                                             technology

               Non destructive reading
               Low flux and low noise                           High QE
               Low consumption                                  Low dark current
               3 designs already made at Sofradir / CEA-LETI    More than 10 years experience in p/n technology

5/11/2018                                Bruno FIEQUE - COMPANY PROPRIETARY                                11
Highlight Performances

                                                                   QE~75%

            500         1000        1500         2000        250
                                                              0
                  (*) Crouzet P.-E., Proc. SPIE 9639, 96390X (2015)                   RON : 11.4 e- to 11.5 e-

      Dark Current ~ 0.5e-/s
                                                                 Glow zone
                                                                due to ROIC
                                                                  outputs
                                                                 amplifiers

                                                                                             Crosstalk ~ 1%

5/11/2018                                                     Bruno FIEQUE - COMPANY PROPRIETARY                 12
Characteristics and Performances of DUT
                  Parameter                           Value

                     Format                     640x480, 15µm pitch

                  PV technology                         p/n

                   Input stage                    Source Follower
              Operating wavelength                  0.8- 2.1µm

                Cutoff wavelength                     2.1µm

                Quantum efficiency               74% mean value

              Operating temperature                    100K

              Dark current (at 100K)
Large Array Programs
                   Status

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Strategy for science detector
        2 projects - 2 complementary goals – 1 common Strategy

    ■ ALFA :
      □ Detector development 2048x2048 – 15µm pitch NIR/SWIR
      □ ESA funding

    ■ ASTEROID :
            □ Technology development for large scale ALFA detector manufacturing
            □ European Commission funding

5/11/2018                     Bruno FIEQUE - COMPANY PROPRIETARY               15
Astronomy Large Focal Array
 ESA Program
 Labex FOCUS fundings
 Goal :
    ■ develop 2048x2048 15µm pitch NIR/SWIR for science and astronomy
      applications
 Schedule
    ■ Started December 2016
    ■ End expected Mid-2019
 Partner involved : Sofradir – CEA-LETI – CEA-IRFU
5/11/2018              Bruno FIEQUE - COMPANY PROPRIETARY        16
ALFA ROIC architecture

    ■       Stitching to access large ROIC size
    ■       30x30mm²
    ■       SFD input stage - p/n compatible
    ■       Science mode for low noise & flux
            operation
    ■       1, 4, 32 outputs
    ■       Windowing mode
    ■       Reference pixels for noise reduction
    ■       Hard Rad
    ■       Glow reduction optimization

5/11/2018                       Bruno FIEQUE - COMPANY PROPRIETARY   17
Operating modes
    Operating modes main characteristics
                                                             ROIC reset types

5/11/2018               Bruno FIEQUE - COMPANY PROPRIETARY                      18
ALFA ROIC : Simulation results (1/2)
 Power consumption
    ■ Science mode
            □     Lower than 3mW in 32 outputs                 ROIC power consumption in Science mode

            □     Lower than 1mW in 1 output

                                                                ROIC power consumption in Fast mode

  Linearity of analog chain in Science mode
      ■         Lower than 1% over the electrical dynamic

5/11/2018                            Bruno FIEQUE - COMPANY PROPRIETARY                                 19
Performances summary
 Simulation results at ROIC design level
                      Parameter                           Goal value        Evaluated value
                           Size                          2048 x 2048          2048 x 2048
                          Pitch                          15 x 15 µm²          15 x 15 µm²
                     Output number                            32                1, 4, 32
       Linear well charge handling capacity (CHC)          ≤ 60 ke-             135 ke-
                      Non-Linearity                          ≤ 3%                < 3%
               Readout noise (single CDS)                 ≤ 18e- rms             ~ 11e-
                        Cross-talk                           ≤ 3%                < 3%
                   Power consumption
                Science mode (32 output)                < 50 mW @ 70K           3 mW
                        Fast mode                             NS               100 mW
                     Readout speed                         ≥ 100 kHz           100 kHz

5/11/2018                              Bruno FIEQUE - COMPANY PROPRIETARY                     20
SVOM / COLIBRI: First ALFA detector user
 Thanks to French actors cooperation, ALFA will be integrated for a first Astronomy
  application: CAGIRE camera for COLIBRI
    ■       COLIBRI : ground IR telescope for SVOM mission

 Actors:
    ■       CEA: Characterization of the sensor – Expert Scientist on the camera.
    ■       CPPM: Integration of the sensor with the NGC card developed by ESO – Controller settings and detailed
            characterization of the sensor with its controller.
    ■       IRAP: Project Management – Development of the cryostat and Control/Command – Integration of the
            sensor in the cryostat – Detailed characterization of the camera – Integration of the camera at OAN/SPM
            in Mexico.
    ■       LAM: PI of COLIBRI – System Engineering – Integration of the camera at OAN/SPM in Mexico.

5/11/2018                            Bruno FIEQUE - COMPANY PROPRIETARY                                 21
SVOM / COLIBRI: First ALFA detector user
  Sino-French SVOM : Chinese National Space
   Agency (CNSA) and the French Space Agency
   (CNES)
      (Space-based multi-band astronomical Variable Objects
      Monitor) mission for understanding of the GRB
      (Gamma-Ray Bursts) phenomenon

      ■     GRB use to understand the infancy of the Universe.

      ■     Best compromise between space and ground
            instrumentation                                                  http://www.svom.fr
            □    Onboard instruments : detection of the GRBs, their
                 localization, the study of the prompt emission and the
                 early detection and follow-up of visible afterglows.
            □    The ground segment : fast distribution of the alerts, the
                 localization of GRBs

5/11/2018                              Bruno FIEQUE - COMPANY PROPRIETARY                         22
READOUT                  NUMBER OF
                                                                                              RESET MODE                 FAST
                                                                                     MODE                     OUTPUT
                                                                                       SCI    pixel by pixel     1        0

            ALFA ROIC validation status
                                                                                       SCI    pixel by pixel     4        0
                                                                                       SCI    pixel by pixel    32        0
                                                                                       SCI     line by line      1        0
                                                                                       SCI     line by line      4        0
                                                                                       SCI     line by line     32        0
                                                                                       SCI        global         1        0
                                                                                       SCI        global         4        0
                                                                                       SCI        global        32        0
                                                                                      FAST     line by line     32        1
                                                                                      FAST        global        32        1
                                                                                      WIN           NA           1        0

    ■ ROIC Probe test on wafer : test plan                     
                                                                                      WIN
                                                                                      WIN
                                                                                       IPC
                                                                                                    NA
                                                                                                    NA
                                                                                                    NA
                                                                                                                 4
                                                                                                                32
                                                                                                                 1
                                                                                                                          0
                                                                                                                          0
                                                                                                                          0

      validation status                                                            ROIC mode of operation

    ■ Continuities and ESD protections                         
    ■ Leakage on digital inputs                                
    ■ Serial interface communication                                      Example of serial interface communication
    ■ Readout time diagram (for all modes of operation)        
    ■ Analog chain output range (for all modes of operation)   
    ■ Power consumption (for all modes of operation)           
    ■ IPC mode                                                 
                                                                                              Analog chain transfert function

5/11/2018                             Bruno FIEQUE - COMPANY PROPRIETARY                                                        23
ALFA ROIC validation status

    ■ Prove that stitching foundry process
      demonstrates no interconnect issues
    ■ Give a feedback to ROIC designers to
      update ROIC datasheet
    ■ Prove the ability of Sofradir to address
      very large ROIC : >2000x2000 15µm pitch

                                                             Thumb in front of 1st ALFA wafer

5/11/2018                          Competition
                        Bruno FIEQUE - COMPANYSensitive
                                               PROPRIETARY                            24
ASTEROID program

5/11/2018      Bruno FIEQUE - COMPANY PROPRIETARY   25
Asteroid program
    ■ ASTronomy EuROpean Infrared Detector

    ■ European consortium (H2020 program
      contracted with European Commission)
      □ 3 European industrials (SOFRADIR, EVG
         and SME ADDL)
      □ 2 research organisations (CEA and IFAE)
                                                               ADDL

    ■ Main goal : to develop the technology that will
      make Europe non-dependent for large IR
      detectors compatible with large volume
      production

5/11/2018                 Bruno FIEQUE - COMPANY PROPRIETARY          26
Asteroid program : Eu consortium
             Partner   Country                     Main scientific and technical contribution
                       FRANCE    global program management as leader of the consortium.
                                 MCT wafers manufacturing in order to ensure technology transfer at industrial level.
            SOFRADIR
                                 hybridization of the test vehicle
                                 expected packaging able to receive the 2k² IRFPA for testing.
                       FRANCE    CEA (LETI Institute) is in charge of the development of scaled up MCT wafers
              CEA                CEA (IRFU Institute) is in charge of the characterization of the SWIR p/n technology
                                 as expert in testing high performances IR detectors

                       AUSTRIA   EVG is in charge of process adaptation for scaling up the ROIC manufacturing line
              EVG                at SOFRADIR.

                        SPAIN    IFAE is in charge of the testing of 2k² hybridized FPA
              IFAE

                       FRANCE    ADLL will be in charge of the FE thermomechanical modeling of the 2k² hybridized
             ADDL                structure itself.

5/11/2018                 Bruno FIEQUE - COMPANY PROPRIETARY                                                            27
Asteroid program goals
                                              ASTEROID Technology Development

                   ROIC development                                                     Hybridization
                                                     MCT detection circuit
                                                        development
                                                                                        development

               Stitching development                                                         Hybridized FPA size
                                                      CdZnTe substrate size              2k² 15 µm pitch hybridization
            Silicon wafer post-processing              4’’ CdZnTe substrate                      development
                    improvement                            development               Structure optimization through thermo-
                                                      HgCdTe epilayer size            mechanical and optical modeling of
                                                     Development of 4’’ Liquid                  hybridized FPA
                                                       Phase Epitaxy process
                                                    Epilayer size for p/n diode
                                                            processing
                                                    Definition of the industrial
                                                    manufacturing line for 4’’ p/n
                                                         diode processing

5/11/2018                                   Bruno FIEQUE - COMPANY PROPRIETARY                                          28
ASTEROID Progress
 This first part of the program was
  mainly oriented on the tooling
  development for manufacturing and
  testing.
 After one year of progress, Asteroid
  program has already demonstrated
  results :
    ■  CdZnTe ingot growth and post processing.
      The first ingots with very large size has
      been done and characterized.
    ■ With the substrates extracted from these
      ingots, epitaxy wafer with 4’’ have also
      been manufactured at CEA LETI
5/11/2018              Bruno FIEQUE - COMPANY PROPRIETARY   29
ASTEROID Progress
 EVG has worked on new Silicon wafer post
  processes and results are promising for large
  8’’ ROIC wafer sizes. The collaboration with
  Sofradir will help to upgrade the ROIC
  industrial line taking into account the large              Interconnection (Billes + Vacuum)           MCT (HgCdTe)

  wafer size challenge.
                                                                                                 ROIC (Silicon)

 ADDL is developing dedicated modeling
  software in order to assess the thermo-
  mechanical constraints on the 2K² detector at
  cold temperature. This evaluation and
  complex calculations will allow to potentially
  adapting the hybridization process, post-                                 2K² structure modelling
  process, tooling and packaging.

5/11/2018               Bruno FIEQUE - COMPANY PROPRIETARY                                                 30
ASTEROID Progress
 IFAE laboratory and CEA-IRFU have worked
  on the test plan and mean preparation for
  next year (2019) tests and characterization.

 Sofradir and CEA-LETI have worked on the
  CdZnTe wafer and 4’’ epitaxy process
  preparation and Sofradir has also worked on               First hybridized mock-up 2048x2048
  hybridization process adaptation for such                       manufactured at Sofradir

  large detector.

 ALFA ROIC wafers have been procured in
  early September 2018 and first hybridization
  will be done by the end of the year.
                                                                          Packaging concept

5/11/2018              Bruno FIEQUE - COMPANY PROPRIETARY                               31
Acknowledgements

              ..and all people involved at CEA-LETI, CEA-IRFU, Sofradir…

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