Measuring heat flux out or into a process surface is of significant practical interest. Miniaturization of the sensor and the capability of dynamic sensing are highly desirable. In this paper, the theoretical basis of a heat flux sensor ‘pen’ idea has been established, which allows for real-time measurements. Here the thin temperature measuring wires (thermocouple) are used as the heat flux sen...

The goal of this research was to develop a chemical gas sensing device based on single-walled carbon nanotube (SWCNT) networks. The SWCNT networks are synthesized on Al(2)O(3)-deposted SiO(2)/Si substrates with 10 nm-thick Fe as the catalyst precursor layer using microwave plasma chemical vapor deposition (MPCVD). The development of interconnected SWCNT networks can be exploited to recognize th...

Dark current reduction in image sensing devices is one of the challenging tasks, as the metal contamination requirements become stringent (<1E5 atoms/cm) for future technology nodes. With the advent of backside illumination (BSI), the stacked image sensors demand for efficient gettering mechanisms for better device performance and yield (DPY). It is the purpose of the present paper to introduce...

The design, construction, and performance of a tactile sensor and a thermal sensor that can be combine into one compact device with both modalities is discussed. The tactile sensing portion is composed of an 8 x 8 array of force sensing cells with 1.8 mm center to center spacing. Heat transduction is measured by a 4 X 4 array of temperature sensors. A number of these devices will be mounted on ...

Wireless sensor networks are potentially one of the most important technologies of this century. Advances in hardware development have made available the prospect of low cost, low power, miniature devices for use in remote sensing applications. The combination of these factors has improved the viability of utilizing a sensor network consisting of a large number of intelligent sensors, enabling ...

In the sensors field the active sensing material frequently needs a controlled temperature in order to work properly. In microsystems technology, micro-machined hotplates represent a platform consisting of a thin suspended membrane where the sensing material can be deposited, usually integrating electrical stimuli and temperature readout. The micro-hotplate ensures a series of advantages such a...

This paper proposes an integrated layered doped and undoped amorphous silicon thin-film based temperature sensing device. Temperature performance has been measured for thin film p-i-n (p-type- intrinsic-n-type) configuration-based diode. Linear dependency of voltage on the forward-biased diode at a constant bias current is demonstrated in range 30 - 200 °C. Further, same device introduced with ...

Temperature is an omnipresent physical variable reflecting the rotational, vibrational and translational motion of matter, what Richard Feynman called the "jiggling" of atoms. Temperature varies across space and time, and this variation has dramatic effects on the physiology of living cells. It changes the rate and nature of chemical reactions, and it alters the configuration of the atoms that ...

A novel wireless and passive surface acoustic wave (SAW) based temperature-compensated vibration sensor utilizing a flexible Y-cut quartz cantilever beam with a relatively substantial proof mass and two one-port resonators is developed. One resonator acts as the sensing device adjacent to the clamped end for maximum strain sensitivity, and the other one is used as the reference located on clamp...

In this paper, we present a novel community sensing paradigm CSWA –Community Sensing Without Sensor/Location Data Aggregation. CSWA is designed to obtain the environment information (e.g., air pollution or temperature) in each subarea of the target area, without aggregating sensor and location data collected by community members. CSWA operates on top of a secured peer-to-peer network over the c...