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福州大学 场致发射显示技术教育部工程研究中心,福建 福州 350002,E-mail:yongaizhang@fzu.edu.cn
收稿日期:2009-01-19,
修回日期:1900-01-02,
网络出版日期:2009-08-30,
纸质出版日期:2009-08-30
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张永爱;许华安;郭太良. 大屏幕场致发射显示器薄膜型精细金属电极的研制[J]. 液晶与显示, 2009,24(04): 528-532
ZHANG Yong-ai;XU Hua-an;GUO Tai-liang. Fabrication on Fine Thin-Metal Electrode of Large Screen Field Emission Display[J]. 液晶与显示, 2009,24(04): 528-532
在洁净的玻璃基底溅射Cr-Cu-Cr复合薄膜
利用光刻和湿法刻蚀技术制备了大屏幕场致发射显示器薄膜型精细金属电极。讨论了不同腐蚀液对金属Cr刻蚀的影响
借助视频显微镜和台阶仪测试刻蚀后的电极形貌
结果表明
用质量比为6 : 3 : 100的KMnO
4
、NaOH和H
2
O的混合液腐蚀Cr膜的刻蚀速率平稳
刻蚀后的Cr电极边缘整齐
内向侵蚀少。此外
分析了FeCl
3
刻蚀液对Cu膜的刻蚀机理
讨论了刻蚀液在静置和循环条件下对制备FED薄膜型精细电极的影响
借助视频显微镜测试刻蚀后的电极形貌
结果表明
FeCl
3
刻蚀液在循环条件下刻蚀Cu膜速度均匀
刻蚀后电极边缘整齐。
Cr-Cu-Cr composite films were deposited on the surface of clean glass substrates by magnetron sputtering
and the fine thin-metal electrodes of large screen field emission display (FED) were fabricated by photolithography and wet chemical etching techniques. The influence of different etchants on the etching ratio of Cr film was discussed and the electrode image was observed by video microscopy and profilometer. It showed that the etching ratio of Cr film was steady and the electrode with less erosion was neatly in the mixture etchants of potassium permanganate
sodium hydroxide and water with the mass ratio of 6 : 3 : 100. In addition
the etching mechanism of FeCl
3
etching Cu film was analyzed. The recurrent and quiescent etchants affected on the preparation of fine thin-metal electrode was discussed and measured by video microscopy. The result showed that the etching ratio of Cu film was symmetrical and the edge of electrode was tidy in the recurrent etchants.
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