LTCC slurry dispersibility evaluation method

CN119309971APending Publication Date: 2025-01-14MAXONE SEMICON CO LTD
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Patent Information

Application Number
CN202411484524.2
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-10-23
Publication Date
2025-01-14

AI Technical Summary

Technical Problem

The existing LTCC slurry dispersion detection methods such as sedimentation method and viscosity method have limitations, and it is impossible to quickly and accurately judge the dispersion of mixture systems with similar viscosity and mixture systems with significantly different viscosity, and is not suitable for different solid contents or bonding. Evaluation of agent content.

Method used

The rheometer is used to measure the changes in the rheological performance parameters of the LTCC slurry over time, calculate the coefficient of variation V of the characteristic parameters to evaluate its dispersion, and use a coaxial cylinder fixture through the test conditions of fixed shear rate and oscillation frequency, Suitable for suspensions and slurries obtained from primary and secondary ball mills.

Benefits of technology

The dispersion of LTCC slurry is achieved quickly and reliably, providing a basis for optimizing the LTCC ball mill process parameters and formula, and can quickly judge the dispersion of different solid contents and binder contents, improving the accuracy of detection.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a method for evaluating dispersibility of LTCC (Low Temperature Co-Fired Ceramic) slurry. The method comprises the following steps: transferring the LTCC slurry into a rheometer clamp; the test conditions are fixed, the change of the rheological property parameters of the LTCC slurry along with time is tested, the time sequence Xi of the characteristic parameters is obtained, and i = 1, 2, 3... n; the variation coefficient V of the time sequence of the characteristic parameters is calculated, the variation coefficient V is used for evaluating the dispersibility of the LTCC slurry, the calculation formula of the variation coefficient V is as follows: V = delta / * 100%, and delta is the time sequence standard deviation of the characteristic parameters and is the time sequence average value of the characteristic parameters. According to the scheme, the dispersibility of the LTCC slurry can be rapidly detected, and the method can be used for evaluating the dispersibility of similar LTCC mixture systems with similar viscosities and different LTCC mixture systems with obviously different viscosities.
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