Strasbourg, France, 17 December, 2004, seminairGrzegorz DEPTUCH MAPS technology decoupled charge sensing and signal transfer (improved radiation tolerance, random access, etc.), small pitch (high tracking precision), low amount of material, fast readout, moderate price, SoC, etc. advantages:
Strasbourg, France, 17 December, 2004, seminairGrzegorz DEPTUCH MIMOSA V 1×10 6 pixel device 0.6 µm CMOS process with 14 µm epitaxial layer, 4 matrices of 512 × 512 pixels read-out in parallel; pixel: 17 × 17 µm 2, diodes: P pm 2, P pm 2, control logic and all pads aligned along one side, results: Noise mean ENC: e - detection efficiency MIPs ( ): 99.3% spatial resolution MIPs ( ): 1.7 µm pixel-pixel gain nonuiformity ~3% MIMOSA V Chip-Detector design MIMOSA = Minimum Ionising Particle MOS APS 3T design Chip design not optimised for any particular application, aimed at relativistic charged particle detection - DESIGNED in joined IReS- LEPSI effort in 2001
Strasbourg, France, 17 December, 2004, seminairGrzegorz DEPTUCH Architecture of the prototype Matrix of sequentially addressed pixels, multiplexed on single output buffer. MIMOSA V 1×10 6 pixel device
Strasbourg, France, 17 December, 2004, seminairGrzegorz DEPTUCH MIMOSA V 1×10 6 pixel device Default Readout Method Readout time = Integration time ~8 40 MHz f clk.
Strasbourg, France, 17 December, 2004, seminairGrzegorz DEPTUCH back-side illuminated MIMOSAV – fabrication
Strasbourg, France, 17 December, 2004, seminairGrzegorz DEPTUCH back-side illuminated MIMOSA V - mounting Back-side illuminated thinned M5 device – a test vehicle for demonstration of 20 keV E - detection capability for Beam Monitoring system and other affined applications Bonding pads 85×85 µm 2 inside 10 µm deep wells positive response from microbonding sa - idea of use Au ball-bonding technique – not successful because of pad cratering finally 17 µm Al wedge bonding with special deep wedge was used