高铁输送结构的电热联合设计和验证,用于高功率高频应用
Luming Chen1, Zhilin Wei1, Shenglin Ma1
1Pen-Tung Sah Institute of Micro-Nano Science and Technology, Xiamen University, Xiamen 361005, China.
Micromachines
|February 27, 2026
概括
通过玻璃通道 (TGV) 技术面临着电热挑战. 这项研究共同设计了TGV结构,揭示了连续波应用需要热管理,而脉冲波应用可以优化电气性能.
科学领域:
- 材料科学 材料科学 材料科学
- 电气工程 电气工程
- 半导体包装 半导体包装
背景情况:
- 通过玻璃Via (TGV) 技术为先进的包装提供了优势.
- 玻璃基板的导热率低于,在高功率,高频应用中存在电热合风险.
研究的目的:
- 进行TGV接地Coplanar Waveguide (CPW) 和RF TGV连接的CPW结构的电热联合设计.
- 研究这些结构在高功率条件下的电气和热性能.
- 在高功率操作下揭示温度分布机制.
主要方法:
- 高铁接地CPW和高铁连接RFCPW结构的电热联合设计.
- 开发一个用于性能评估的高功率测试平台.
- 在连续波 (CW) 和脉冲波 (PW) 操作下分析温度分布和插入损失.
主要成果:
- 高功率和频率增加插入损失由于表面导电性降低,触发温度升高和电热合环.
- 在CW操作下 (5-20W),温度上升达到92.4°C,插入损失增加0.4dB.
- 在PW操作下 (25-100W,2.5%工作周期),温度上升为2.1°C,插入损失增加0.3dB.
- 一个四倍冗余的设计将热流密度降到最低,防止热点.
- 脉冲间隔有效地抑制了热积累.
结论:
- 连续波应用需要优先考虑高铁结构的热管理策略.
- 脉冲波应用允许更多地关注由于抑制热积累导致的电性能优化.
- 该研究强调了高铁技术在高功率,高频场景中的电热联合设计的重要性.
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