研究目的
Developing a new type of low-temperature co-fired ceramic (LTCC) material with a medium dielectric constant that can be co-fired with previously developed high and low dielectric constant materials to enhance the performance and downsizing of electronic components for high-frequency communication.
研究成果
The development of MK as an intermediate dielectric constant LTCC material successfully bridges the gap between HK and LK materials, enabling further downsizing and performance enhancement of electronic components. The co-fired bodies were free of mechanical defects and showed minimal inter-diffusion, confirming the suitability of the three-material system for high-frequency communication applications.
研究不足
The study focuses on the development and co-firing compatibility of MK with HK and LK materials. Potential areas for optimization include further minimizing inter-diffusion and exploring additional material compositions for enhanced properties.
1：Experimental Design and Method Selection:
The study involved designing the compositions of glass and ceramic materials for MK to achieve an intermediate dielectric constant between HK and LK, with a low τεr and matching CTE.
2：Sample Selection and Data Sources:
Borosilicate glass and ceramic materials (BaNd2Ti4O12, Nd2Ti2O7, Mg2SiO4) were prepared and mixed using a ball mill.
3：List of Experimental Equipment and Materials:
Equipment included a ball mill with PSZ balls, Pt-Rh crucible, doctor blade for green tape preparation, screen printing for Cu paste application, and sintering in a reducing atmosphere.
4：Experimental Procedures and Operational Workflow:
The process involved mixing, melting, quenching, crushing, tape preparation, lamination, pressing, sintering, and property measurement.
5：Data Analysis Methods:
Electric properties were measured by the perturbation method at 6 GHz, τεr was measured using an LCR meter, and CTE was measured using a dilatometer.
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