Abstract:Abstract-The VIPIC1 pixel readout integrated circuit was designed for high timing resolution, pixel based, X-ray Photon Correlation Spectroscopy experiments, typically using 8 keV Xrays at a synchrotron radiation facility. Technical hurdles related to a very aggressive alignment resulted in delays with delivery of 3D bonded wafers that eventually yielded operational devices. Recent improvements in alignment of wafers bonded with the Cu-Cu thermo-compression method and resorting to the Cu-DBI® bonding method s… Show more
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