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Chalcogenide-based surge protection array and preparation method thereof

A chalcogenide compound and surge protection technology, which is applied in emergency protection circuit devices for limiting overcurrent/overvoltage, emergency protection circuit devices, semiconductor/solid-state device manufacturing, etc., can solve limited response speed, equipment damage, The peak voltage value cannot meet the application requirements and other problems

Active Publication Date: 2021-07-06
CHONGQING UNIV OF POSTS & TELECOMM
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The peak voltage value of the general surge protection device cannot meet the application requirements, and the response speed is limited, so that the surge protection device cannot be turned on and divided in a very short time during use, resulting in damage to the equipment in the circuit due to overvoltage

Method used

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  • Chalcogenide-based surge protection array and preparation method thereof
  • Chalcogenide-based surge protection array and preparation method thereof
  • Chalcogenide-based surge protection array and preparation method thereof

Examples

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Embodiment Construction

[0041] Embodiments of the present invention are described below through specific examples, and those skilled in the art can easily understand other advantages and effects of the present invention from the content disclosed in this specification. The present invention can also be implemented or applied through other different specific implementation modes, and various modifications or changes can be made to the details in this specification based on different viewpoints and applications without departing from the spirit of the present invention. It should be noted that the diagrams provided in the following embodiments are only schematically illustrating the basic concept of the present invention, and the following embodiments and the features in the embodiments can be combined with each other in the case of no conflict.

[0042] Wherein, the accompanying drawings are for illustrative purposes only, and represent only schematic diagrams, rather than physical drawings, and should...

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Abstract

The invention relates to a chalcogenide-based surge protection array and a preparation method thereof, and belongs to the technical field of semiconductors. The surge protection array comprises a PN diode, a lower electrode, a lower heating electrode, a chalcogenide compound layer, an upper electrode, a substrate and a heat insulation material layer, the PN diodes are bolt-shaped and are arranged on the silicon substrate at equal intervals in an array manner; the lower electrode is positioned on the PN diode; the lower heating electrode is positioned above the lower electrode; the chalcogenide layer is located on the lower heating electrode; the upper electrode is positioned on the chalcogenide compound layer; and the upper electrodes are arranged in a strip shape at equal intervals and are perpendicular to the chalcogenide compound layer. The upper part of the chalcogenide compound layer is electrically connected with the upper electrode; and the lower part of the chalcogenide compound layer is electrically connected with the lower electrode through the lower heating electrode. According to the surge protection array, overvoltage protection is achieved through the specific threshold conduction characteristic of the chalcogenide, and the surge protection array is extremely high in overvoltage protection response speed and extremely high in overvoltage suppression capacity.

Description

technical field [0001] The invention belongs to the technical field of semiconductors, and relates to a chalcogenide-based overvoltage surge protection array used in circuits and a preparation method thereof. Background technique [0002] Today, electronic devices are widely used in fields such as computers, communications, aerospace, and home appliances. In order to meet the precision requirements of the application environment of electronic equipment, higher requirements are put forward for its power supply performance. However, instantaneous overvoltage caused by lightning, static electricity or switching circuits will more and more frequently invade indoor electrical equipment through power supply, antenna and signal receiving equipment and other lines, causing damage to equipment or components, and interference to transmitted or stored data. Loss or even casualties, and even cause electronic equipment to malfunction or temporarily paralyze, system pause, data transmiss...

Claims

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Application Information

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IPC IPC(8): H02H9/04H02H7/20H01L21/822
CPCH02H9/04H02H7/205H01L21/822
Inventor 王玉婵袁一鸣张文霞戚飞张楠袁素真
Owner CHONGQING UNIV OF POSTS & TELECOMM
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