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Three-dimensional packaging terahertz radiation detector

A technology of terahertz radiation and three-dimensional packaging, applied in the field of terahertz radiation detectors, can solve the problems of complex connection, high cost, poor consistency, etc., and achieve the effect of extending the detection range

Inactive Publication Date: 2014-10-15
袁博
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0006] The technical problem to be solved by the present invention is to overcome the above-mentioned shortcomings of the prior art, and provide a three-dimensional package terahertz radiation detector, which uses LTCC three-dimensional three-dimensional packaging technology to three-dimensionally integrate the original discrete subsystems of the terahertz radiation detector Packaging can solve many problems of existing detection equipment such as large volume, heavy weight, complicated connection, high cost and poor consistency, and realizes an atmospheric detection device with ultra-wide frequency domain and integrated packaging

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Embodiment Construction

[0032] The technical solutions of the exemplary embodiments of the present invention will be described below with reference to the accompanying drawings. Apparently, the described embodiments are only some of the embodiments of the present invention, not all of them. The described embodiments are for illustration only and do not limit the scope of the invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the scope of the protection and expansion of the present invention.

[0033] As an embodiment of the present invention, the three-dimensionally packaged terahertz radiation detector can be used in an earth atmosphere detection system as an atmospheric limb detector. figure 1 A schematic schematic diagram of an embodiment of an Earth atmosphere sounding system is shown. The earth's atmosphere detection system carried by the satellite is located at a predetermine...

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Abstract

The invention provides a three-dimensional packaging terahertz radiation detector, which comprises a medium-extending hemispherical lens, a terahertz wave signal processing unit, an LTCC substrate, and a first intermediate frequency signal processing unit, wherein the terahertz wave signal processing unit comprises a gallium arsenide antenna and a gallium arsenide harmonic mixer; and the first intermediate frequency signal processing unit comprises an TCC substrate-based radio frequency passive balun receiving network and a first intermediate frequency signal processing circuit. Weak terahertz electromagnetic signals of atmospheric radiation and sub-millimeter wave local oscillator signals of space feed-in are converged on the gallium arsenide antenna via the lens, a first down-conversion processing is carried out via the gallium arsenide harmonic mixer, intermediate frequency differential signals are generated, the intermediate frequency differential signals are synthesized to intermediate frequency unbalanced signals via the balun receiving network, and the first intermediate frequency signal processing circuit converts the inputted intermediate frequency unbalanced signals into baseband signals processed by an A / D converter. The three-dimensional packaging terahertz radiation detector has the advantages of ultra wide frequency domain, three-dimensional packaging and multi-channel power synthesis.

Description

technical field [0001] The present invention relates to a terahertz radiation detector, in particular to a three-dimensional package terahertz radiation detector. Background technique [0002] The middle and upper atmosphere in the range of 20-120km mainly includes oxygen, carbon oxides, chlorine monoxide, water vapor and other useful gases that can reflect the physical, chemical and radiation conditions in the atmosphere. Through the detection, processing and analysis of related gas radiation electromagnetic waves, the relationship between the sun and the earth, global climate change and environmental change (including space environment and ground ecological environment) can be monitored in a timely and effective manner. According to the classification of the electromagnetic spectrum, electromagnetic waves covering the frequency range of 300MHz-300GHz are collectively referred to as microwaves, which include decimeter waves, centimeter waves, millimeter waves, and terahertz...

Claims

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Application Information

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IPC IPC(8): G01J1/42
Inventor 袁博
Owner 袁博
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