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发明名称
一种新型湿敏传感器的制备方法
摘要
本发明公开了一种能够用于湿度测量的湿敏传感器的制造方法。采用溶胶-凝胶工艺,通过湿敏先体溶液的配制,在具有叉指电极陶瓷基片上,用提拉法镀膜,经过适当的热处理,可以制造LiCl/玻璃基复合薄膜型湿敏传感器,该类传感器可以在全湿范围内实现对湿度的测量,并且阻值适中,阻抗对湿度的线性度亦较好。该方法工艺简单,成本低。
申请公布号
CN1274084A
申请公布日期
2000.11.22
申请号
CN99113697.7
申请日期
1999.05.13
申请人
姚熹;赵鹏;翟继卫
发明人
姚熹;赵鹏;翟继卫;张良莹;邓月;孔令兵
分类号
G01N27/02;B32B31/12
主分类号
G01N27/02
代理机构
代理人
主权项
该技术的突出特征是使用溶胶-凝胶工艺,将湿敏组元(氯化理)复合到以二氧化硅为主的基质玻璃溶胶中。其次,该技术采用提拉法在印有金叉指电极的陶瓷基板上镀膜。第三,薄膜干燥是室温自然干燥,或超临界干燥。第四,该技术是将薄膜在高温下热处理(400~650℃)0.5~2小时。要求保护的范围:1.利用溶胶-凝胶工艺,将氯化锂或四氧化三铁等湿敏组元复合到二氧化硅基玻璃中(玻璃组成为:SiO2:50~100%,Al2O3:0~50%,B2O3:0~50%;活性组元在玻璃中的含量为:10~50%)。
地址
200092上海市四平路1239号功能材料研究所
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