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Method used for measuring resistance values of printed metal electrode

A metal electrode and resistance technology, applied in the direction of measuring resistance/reactance/impedance, measuring electrical variables, measuring devices, etc., can solve the problems of the destructive effect and inconvenience of metal film electrodes, and achieve fast color speed, time saving, avoid damaging effects

Active Publication Date: 2015-04-01
杭州领挚科技有限公司
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Problems solved by technology

The traditional method of testing resistance has a destructive effect on metal thin film electrodes and is not very convenient

Method used

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  • Method used for measuring resistance values of printed metal electrode
  • Method used for measuring resistance values of printed metal electrode

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Embodiment Construction

[0017] Number the changed colors and correspond to the resistance value, the relationship between the color number and the resistance value, and program (package) them into an independent conversion software (the above process is a calibration process), so that the color sensor ( Such as TCS3200D, TCS3200D is a programmable color light-to-frequency converter launched by TAOS. It integrates a configurable silicon photodiode and a current-frequency converter on a single CMOS circuit, and also integrates a red light on a single chip. It is the industry's first RGB color sensor with digital compatible interface. The output signal of TCS3200D is digital and can drive standard TTL or CMOS logic input, so it can be directly connected to the microprocessor or other logic circuits. Since the output is digital and can achieve a conversion accuracy of more than 10 bits per color channel, the A / D conversion circuit is no longer needed, making the circuit simpler. Matlab, etc. can be used ...

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Abstract

The invention relates to a method used for measuring resistance values of a printed metal electrode. According to the method, calibration is firstly carried out, the resistance values of the metal electrode in different annealing temperatures and different time points are measured by a camera based on the principle that the resistance values are in one-to-one correspondence with surface colors of the electrode, one-to-one change correspondence relations between the resistance values and the surface colors of the metal electrode are established under the condition of the different time points, the corresponding relations are packaged to be independent conversion software, and thereby the resistance values of the metal electrode can be automatically determined by employing the camera to measure the surface colors of the metal electrode. Metal nanometer particles comprise Ag, Au and Cu nanometer particles, and solvents comprise methanol and toluene, and so on. The method can realize contactless rapid resistance value measurement on thin electrodes.

Description

technical field [0001] The invention relates to a method for measuring the resistance of a metal electrode, which is used for judging the resistance of a nanometer metal solution after annealing, that is, the resistance is judged by observing the color of the metal after annealing. Background technique [0002] In the printing of semiconductors, after printing nano-metal solution electrodes, annealing is required to volatilize the organic solvent, and the electrode resistance gradually decreases, and the color also changes accordingly. For example, the color of the Ag electrode changes from colorless to light, and then dark. Brightens silver. The resistance of the metal electrode after annealing has a great influence on the performance of the device, so how to quickly and concisely measure the resistance after annealing becomes very important. Traditional methods of testing resistance, which have destructive effects on metal thin-film electrodes, are not very convenient. T...

Claims

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Application Information

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IPC IPC(8): G01R27/02
Inventor 边惠武倩苏杰唐伟郭小军
Owner 杭州领挚科技有限公司
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