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A two-dimensional arrayable temperature sensor chip with ultra-fast response and its preparation method and application

A two-dimensional array and sensing array technology, applied to thermometers, thermometers, and electrical devices that use directly heat-sensitive electric/magnetic elements, can solve the problems of cumbersome preparation of temperature sensors and slow response speed, and achieve reduction The effect of small size and cost, ultra-fast response speed, and response time of 6s

Inactive Publication Date: 2019-02-26
RENMIN UNIVERSITY OF CHINA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The existing ionic liquid-based temperature sensor is mainly based on polydimethylsiloxane, which has disadvantages such as complicated preparation and slow response speed.

Method used

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  • A two-dimensional arrayable temperature sensor chip with ultra-fast response and its preparation method and application
  • A two-dimensional arrayable temperature sensor chip with ultra-fast response and its preparation method and application
  • A two-dimensional arrayable temperature sensor chip with ultra-fast response and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Example 1. Preparation of ionic liquid paper-based temperature sensor chip and its response to temperature

[0038] (1) Preparation of ionic liquid paper-based temperature sensor chip

[0039] like figure 1 As shown, the temperature sensor chip was prepared according to the following steps:

[0040] 1) Gold electrode deposition: use a magnetron sputtering coater (model: JCP-200, Beijing Techno Technology Co., Ltd.) to plate two gold electrodes of a specific shape on a piece of 3cm×3cm A4 paper. The size is 0.5cm×1cm, and the distance between 2 gold electrodes is 0.5cm.

[0041] 2) pen writing: draw a straight line on the obtained chip with a refill containing ionic liquid (replace the ink in the refill of a neutral ballpoint pen with ionic liquid to obtain a refill containing ionic liquid), and make the ionic liquid and 2 gold electrodes are connected.

[0042] 3) Connect wires: connect the two electrodes of the above-mentioned chip with two wires, and use conductiv...

Embodiment 2

[0053] Example 2. Preparation of two-dimensional temperature sensing array and imaging of temperature field

[0054] (1) Preparation of two-dimensional temperature sensing array

[0055] like Figure 5 As shown, the two-bit temperature sensor chip is prepared according to the following steps:

[0056] 1) Gold electrode deposition: Plating 8 gold electrode strips of a specific shape on a piece of 6cm×6cm A4 paper with a magnetron sputtering coater (model: JCP-200, Beijing Techno Technology Co., Ltd.). The size of the electrode strips was 4.5 cm x 0.5 cm, and the distance between each gold electrode was 0.5 cm.

[0057] 2) Turn over and write: use a neutral ballpoint pen filled with ionic liquid to point out ionic liquid droplets on the back of the paper coated with gold electrode strips, so that the ionic liquid can penetrate the paper and contact the gold electrode. There are 64 points in total, and the distance between each point is 0.5cm.

[0058] 3) Gold electrode depos...

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Abstract

The invention discloses an ultrafast response two-dimensional array temperature sensing chip and a preparation method and an application thereof. The temperature sensing chip comprises a paper base and ionic liquid which is stored in the paper base. Temperature detection is realized according to the situation that the conductivity of the ionic liquid changes along with temperature. Compared with the conventional near-infrared sensing chip, the chip size and cost of the sensing chip are reduced, the structure is simple, operation is convenient, response speed is ultrafast (response time is 6s), carrying is convenient, price is low and batch production can be realized. Besides, the two-dimensional temperature sensing array has the characteristics of being simple in material, simple in structure and convenient to prepare.

Description

technical field [0001] The invention relates to a two-dimensionally arrayable temperature sensing chip with ultra-fast response and a preparation method and application thereof, belonging to the field of temperature sensors. Background technique [0002] As the earliest developed and most widely used type of sensor, the temperature sensor has a market share far exceeding that of other sensors. The traditional temperature sensor is based on the principle of thermal expansion and contraction of the working substance to measure the temperature. Since it is based on thermal balance, it requires a long response time. For example, it takes several minutes for the traditional thermometer to accurately detect the measured temperature. temperature. Electronic temperature sensors based on thermocouples have broad application prospects in many fields due to their portability and practicability, but there are still a series of problems such as slow response speed, poor environmental fr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01K7/00
CPCG01K7/00
Inventor 王亚培陶行磊贾晗钰
Owner RENMIN UNIVERSITY OF CHINA
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