Abstract
A 128/spl times/128 element bolometer infrared image sensor using thin film titanium is proposed. The device is a monolithically integrated structure with a titanium bolometer detector located over a CMOS circuit that reads out the bolometer's signals. By employing a metallic material like titanium and refining the CMOS readout circuit, it is possible to minimize 1/f noise. It is demonstrated that the use of low 1/f noise material will help increase bias current and improve the S/N ratio. Since the fabrication process is silicon-process compatible, costs can be kept low.
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