Abstract
We developed a silicon photomultiplier (SiPM) which is a semiconductor photo-multiplication sensor operating in the Geiger mode. The SiPM can measure a single photon due to its high amplification characteristics as photomultiplier tubes (PMT). SiPMs have a number of advantages, such as low power consumption, small and robust structures, low operating voltages, and insensitivity to magnetic fields. Up until now, arrays of single-channel SiPMs have been used in medical applications and scientific experiments. We fabricated not only single-channel SiPMs, but also multichannel SiPMs using the multichannel-SiPMs. We bulit a 1024-channel SiPM sensor. Finally we assembled a pinhole camera aquipped with the readout electronics. In this paper, we present the 1024-channel SiPM sensor, a pinhole camera, and the preliminary image taken by the camera.
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