Effect of Plasma Treatments and Plasma-Polymerized Films on the Adhesion of Parylene-C to Substrates

被引:16
作者
Zeniieh, Dani [1 ]
Bajwa, Adeel [1 ]
Ledernez, Loic [1 ]
Urban, Gerald [1 ]
机构
[1] Univ Freiburg, Dept Microsyst Engn IMTEK, Lab Sensors, D-79110 Freiburg, Germany
关键词
adhesion; multilayers; parylenes; plasma polymerization; plasma treatment; ELECTROCHEMICAL IMPEDANCE SPECTROSCOPY; MEASUREMENT MODELS; GLOW-DISCHARGE; COATINGS; SURFACE; EIS; TRIMETHYLSILANE; CONSTANT; BEHAVIOR; MEMS;
D O I
10.1002/ppap.201300045
中图分类号
O59 [应用物理学];
学科分类号
摘要
This work deals with the most severe limitations of Parylene-C coatings, namely their poor adhesion to the substrate and barrier properties. To address these limitations, the surface properties of the substrate are modified prior to the Parylene deposition step by depositing a nano-film interfacial layer by means of a plasma polymerization process. The multilayer coating was realized using a newly designed, innovative multi-chamber system. Tests of dry adhesion (at 90 degrees and 180 degrees) and electrochemical impedance spectroscopic (EIS) measurements were performed to evaluate the effect of the plasma pre-processing. Adhesion strength of 3 and 6.8Ncm(-1) were recorded for the 90 degrees and 180 degrees tape tests, respectively, while an impedance level of 10(7)cm(-2) at 100Hz was registered by EIS measurement.
引用
收藏
页码:1081 / 1089
页数:9
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