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This article describes a micromachined quartz tuning fork resonator, 6 mm in height by 2 mm in diamter, holding a two-terminal electronic component with a nomial frequency of 36 kHz (at zero degree) and 15 pF typical capacitance paked in a 90 Pa He gass sealed metal container, which has been used as a sensor for temperature measurement with good sensitivity, repeatability and reliability. The temperature...
In this paper mainly describes a quartz tuning fork temperature sensor based on bending vibration. The main working components of quartz tuning fork temperature sensor are quartz tuning fork and driving circuit, according to the piezoelectric effect principle of quartz crystal, researching on correlative incentive mode, selecting cut type and setting electrodes reasonably, and applying finite element...
In superconducting electric equipments, the current lead connects the room-temperature power supply and the low-temperature superconducting magnet. It is the main source of thermal leakage in the system. In order to decrease the thermal leakage, it is necessary to analyze the thermal loss of current lead. The heat leakage analysis and optimization design of 35kV/2kA current lead are presented in this...
A miniature digital temperature sensor with the ZY cut quartz crystal tuning fork resonators was developed. The quartz crystal tuning fork resonators have the characteristic that the resonance frequency changes by the external temperature, which achieves high sensitivity and high-speed response and frequency stability by a sample structure. The quartz crystal tuning fork resonators are square cross...
This paper describes a novel quartz tuning fork temperature sensor, the principle of the quartz tuning fork temperature sensor is to detect resonance frequency shift by an external temperature. It has such advantages: high sensitivity, high accuracy, and good long-term stability. The temperature sensor is prepared of synthetic quartz on ZY-cut plates and configured by ZY-Cut quartz crystal wafer based...
In this paper, a highly sensitive temperature sensor based on quartz tuning fork resonators is reported. The temperature sensor is configured by ZY (110deg/10deg) Cut quartz crystal wafer based bulk acoustic wave (BAW) tuning fork resonators whose operating frequency is at 31 KHz. The ideal thermo-sensitive ZY cut for quartz tuning fork resonators is analyzed with the theory. The characterization...
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