Microwave pottery materials fast detection device and method

A technology of microwave ceramics and detection devices, which is applied to measurement devices, material analysis using microwave means, and materials analysis, etc., can solve the problems of slow measurement speed of microwave dielectric ceramic materials, and achieve high repeatability, reduced loss, and small data errors. Effect

Inactive Publication Date: 2007-03-14
XIAMEN UNIV
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  • Abstract
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Problems solved by technology

[0004] The purpose of the present invention is to solve the problem of slow measurement speed of existing microwave dielectric ceramic materials, and provide a kind of measurement speed fast, wide applicability, non-destructive, batch, high precision, convenient operation, high cost performance, especially in the microwave A rapid detection device for microwave dielectric ceramic materials that is more advantageous in the rapid detection of the temperature coefficient of dielectric ceramic materials

Method used

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  • Microwave pottery materials fast detection device and method
  • Microwave pottery materials fast detection device and method
  • Microwave pottery materials fast detection device and method

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Embodiment Construction

[0030] The following embodiments will further illustrate the present invention in conjunction with the accompanying drawings.

[0031] Referring to Fig. 1, the rapid detection device of microwave dielectric ceramic material of the present invention is provided with the open type parallel plate resonant cavity 01 of band stepper motor, single-chip microcomputer control and stepper motor driver 02, vector network analyzer 03, computer 04 and Constant temperature control box 05. The input terminal of single-chip microcomputer control and stepping motor driver 02 is connected to computer 04, the output terminal of single-chip microcomputer control and stepping motor driver 02 is connected to open parallel plate resonant cavity 01 with stepping motor, and the parallel plate resonant cavity is connected to vector through coaxial cable The network analyzer 03 is connected, and the vector network analyzer 03 is connected to the computer 04 through the GPIB interface. Under the control...

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Abstract

The fast detection device for microwave ceramics includes an opening parallel plate resonant cavity with step motor, a SCM, a driver for motor, a VNA, and a computer. This invention can detect target dielectric properties with no harm and high precision.

Description

technical field [0001] The invention relates to a detection of microwave ceramic materials, in particular to a rapid detection device and detection method for dielectric performance parameters of microwave dielectric materials, namely relative dielectric constant, dielectric loss coefficient and temperature coefficient. Background technique [0002] In recent years, microwave dielectric ceramic materials have been widely used to make resonators, filters, dielectric substrates, dielectric antennas, dielectric waveguide circuits, etc., and are playing an increasingly important role in the field of modern communications, which is an application prospect Extensive electronic information material. The dielectric properties of the material mainly have three parameters: relative permittivity (referred to as dielectric constant), dielectric loss coefficient and temperature coefficient. Rapid and accurate measurement of these three parameters is an important link in the development o...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N22/00G01R27/26
Inventor 肖芬陈赐海黄振宇刘同赞杨国山
Owner XIAMEN UNIV
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