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This paper describes the design and performances of a novel focal-plane array (FPA) containing pixels of double bimaterial-layer cantilevers without silicon (Si) substrate for being applied in the uncooled optical-readable infrared (IR) imaging system. The top layer of the cantilever pixels is made of two materials with large mismatching thermal expansion coefficients: silicon nitride (SiNx) and gold...
This paper presents the optimized design of a novel Focal Plane Array (FPA) structure for opt-mechanical uncooled infrared imaging system. The FPA structure is a bi-material micro-cantilever array which without Si substrate and with thermal isolation organ. In the paper, we build up series of model to describe the structure's IR absorb, heat exchange and thermal-mechanical characters. To optimize...
Microfabricated cantilevers have recently become increasingly popular as transducers in chemical and biological sensors. Here, an evaluation of laboratory prototype that is microcantilever-based optical detection is demonstrated. Surface stress changes when molecules adsorb on cantilevers surface, which offers an attractive way to chemical and biological detection by measuring the bending of cantilevers...
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