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电流传感器的一体化封装技术

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为解决传感器制造时组装工序繁杂的难题,采用低压注塑技术,探讨电流传感器一体化封装的可行性.首先,通过仿真对注塑过程中热熔胶填充过程及敏感器件所受应力进行分析;其次,采用自行开发的简易注塑模具对传感器进行封装效果验证;最后,完成了传感器的可靠性测试.测试结果表明,低压注塑技术应用于电流传感器封装具备较强的可行性,这为实现传感器大批量封装制造提供了参考依据.
Integrated packaging technology of current sensor
In order to slove the difficult problem of complex assembly processes in sensor's manufacturing,the feasibility is investigated for integrated packaging of current sensors by low pressure injection molding technology.Firstly,the thermal sol filling process and the stress on sensitive device during the injection molding process are analyzed by simulation.Secondly,the homemade simple injection mold is used to verify the packaging effects for sensors.Finally,the raliability tests for current sensors are completed.The test results show that using low pressure injection molding technology in packaging of current sensors are feasible,which provides a reference basis for mass packaging and manufacturing of sensors.

low-pressure injectionstressintegrated packagingcurrent sensor

吴明明、叶明盛、孙炎、黄文斌、江浩、李菊萍

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宁波中车时代传感技术有限公司,浙江宁波 315000

低压注塑 应力 一体化封装 电流传感器

国家重点研发计划资助项目

2022YFB3207700

2024

传感器与微系统
中国电子科技集团公司第四十九研究所

传感器与微系统

CSTPCD北大核心
影响因子:0.61
ISSN:1000-9787
年,卷(期):2024.43(2)
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