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TODO: Brief introduction to the project describing the why and the how.

Table of contents

Table of Contents
exclude\b(?:Table of contents|Useful resources)\b|\*

Useful resources

Requirements

Document typeLink
PRD
(convers SparkPix-S and SparkPix-2M)

LCLSII-HE-1.4-PR-0280.docx (Convers SparkPix-S and SparkPix-2M)

IRD

LCLSII-HE-1.4-IR-

0875

0881.

pdf

docx

ICD
https://slac.sharepoint.com/:w:/r/sites/lcls/lcls-2-he/wd/ICD/https://slac.sharepoint.com/:w:/r/sites/lcls/lcls-2-he/wd/ICD/

DXS: Not found

Data systems: LCLSII-HE-1.4-IC-0499.docx

?d=w3073ea2890864e41a72ddd0b782baacc&csf=1&web=1&e=tUZam8
  • https://slac.sharepoint.com/:w:/r/sites/lcls/lcls-2-he/wd/ICD/LCLSII-HE-1.4-IR-0879.docx?d=we5d9be1626e849549e24b797f6dd8b23&csf=1&web=1&e=blzNG6

    • CXI (LFAD is ePixUHR 4MPix; SFAD is SparkPix-S):

    LCLSII-HE-1.4-IR-0880.docx

    ?d=wb5875862dc0c4692aec36b61a37a4941&csf=1&web=1&e=nNlFBB

    FRD
    https://slac.sharepoint.com/:w:/r/sites/lcls/lcls-2-he/wd/FRS/

    Detector team needs to create it. See example below for the ePixUHR
    LCLSII-HE-1.4-FR-1143.docx

    ?d=wd4f6f8b883b1463bae1eb198115994a0&csf=1&web=1&e=iX1UwD

    ESD
    https://slac.sharepoint.com/:w:/r/sites/lcls/lcls-2-he/wd/ESD/

    Detector team needs to create it. See example below for the ePixUHR
    LCLSII-HE-1.4-

    ES

    FR-

    1144

    1143.docx

    ?d=w43d160d640204029b55ec6cdb5ed74b9&csf=1&web=1&e=Y2FrcG

    Context: DXS is the primary beamline where this detector will be used therefore its reequipments are considered when designing the SparkPix-S 1x4. The expected beam will be spited into two and a sketch of its dimensions when interacting with the detector is depicted below

    Beam concept at the detector


    Draft on the concept of beam interaction with the 1x4 carrier. Detector will be pivoted around the center axis, effectively reducing the pixel size. Vibration calculations should be analyzed considering the effective pixel size (10um) 


    Sensor Design

    • Pixel pitch is 50um
    • 1mm is the baseline but Hassan has suggested that they may want to have 500um thick sensors two

    Design files 

    TBD

    Summary table


    		Full sensorLower left cornerBetween two ASICs at the bottomLower right cornerBetween ASICs in the middleTop left cornerTop right corner
    Image








    Measurements
    • Width (x): µm
    • Height (y):  µm
    • x offset:  µm
    • y offset:  µm
    • x distance:  µm
    • x offset:  µm
    • y offset: µm
    • x offset:  µm
    • y offset:  µm
    • x offset:  µm
    • y offset:  µm
    • x offset:  µm
    • y offset:  µm


    Review date:

    ASIC Design

    Documentation

    SparkPix-S (XPCS) complete documentation has restricted access.

    Summary table


    		Full matrixLower left cornerLower right corner
    Image




    Measurements
    • Width (x):  µm
    • Height (y):  µm
    • With extension (see JIRA??):
      • Width (x): 19306.26+2*70 =  µm
      • Height (y): 18674.7+2*270 =   µm
    • Pad
      • Width (x):  µm
      • Height (y):  µm
      • Pitch: 50 µm
    • First pad location relative to lower-left corner
      • x:  µm
      • y:  µm
    • Last pad location relative to lower-right corner
      • x:  µm
      • y:  µm

    Review date:

    Platform

    The SparkPix-S 1x4 detector is very similar to the GT readout platform and therefore we will reuse it extent possible. For examle, the digital and analog boards are 100% compatible. The carrier boards and mechanical design will need to be adapted.

    100kfps DAQ support system - GT Readout Platform


    • Key requirements when designing the board
    • Sensor aligned with rotation axis 

    Carrier board

    SparkPix-S 1x4 implementation


    		Multi-board projectCarrier Board
    3D view

    TODO

    DescriptionA configuration of the GT Readout Platform with a 1x4 carrier of SparkPix-S ASICs.Carrier board for a 1x4 configuration of SparkPix-S ASICs for use with the GT Readout Platform
    Altium 365 projecthttps://stanford-linear-accelerator-center.365.altium.com/designs/97303243-7476-464D-8044-63CC0E2FD9C0https://stanford-linear-accelerator-center.365.altium.com/designs/B1145EE9-2A02-4B88-9339-D6492F047ABF
    Board trackingGT Readout ASICsTODOPC_261_101_46_C00

    Review date:

    (Similar board) - ePixUHR100k 1x4 implementation


    		Multi-board projectCarrier Board
    3D view

    Image AddedImage AddedImage Added

    DescriptionA configuration of the GT Readout Platform with a 1x4 and 4x1 carrier of ePixUHR100k ASICs.Carrier board for a 1x4 configuration of ePixUHR100k ASICs for use with the GT Readout Platform
    Altium 365 projecthttps://stanford-linear-accelerator-center.365.altium.com/designs/32095811-C026-416E-BB99-40FCF4FA87F6https://stanford-linear-accelerator-center.365.altium.com/designs/F5AB04C2-2ADF-42DF-B87B-5C40051BA7FC
    Board trackingGT Readout ASICsPC_261_101_42_C00


    Mechanical

    • Key requirements
    • CO2 cooled
    • 0 degree for cooling pipe and electronics board
    • in-vacuum
    • Clamping can be on the back side of the detector
    • Vibration specs (usually 10% of the pixel at the angle)
    • Light shield needed (at least the frame designed)

    Design

    Mechanical design files

    Drawings with key dimensions

    Review date:

    Meetings

    Project Management

    Key upcoming milestones

    • Preliminary Design Review for the SparkPix-S 1x4: 02/2025 (request pending due to project baseline)
    • Preliminary Design Review for the SparkPix-S 2MPix: 02/2025 (request pending due to project baseline)

    Smart Sheets Project

    Jira project (sharing with Gt readout platform due to reuse)