Surface Modification of Polyimide for Improving Adhesion Strength by Inductively Coupled Plasma
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概要
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This study examined the effect of an inductively coupled plasma (ICP) treatment using an argon and helium gas mixture on the adhesion between polyimide and a copper film. Optical emission spectroscopy (OES) of the ICP revealed the emission intensity of helium and argon at various intensities with the helium mixing ratio. The treated polyimide surface was analyzed using a contact angle analyzer, Atomic force microscopy (AFM) and X-ray photoelectron spectroscopy (XPS). The contact angle and RMS roughness ranged from 66 to 31° and 2.3 to 4.1 nm, respectively. XPS showed an increase in C–O bonding. The highest peel strength was 0.43 kgf/cm at a 40% of helium mixing ratio, which contained the highest level of activate species. Overall, an ICP treatment of a polyimide surface with a 40% helium gas mixture improves the adhesion strength between copper and polyimide significantly.
- 2009-08-25
著者
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Kim Sung
Center For Advanced Functional Polymers Department Of Chemical And Biomolecular Engineering Korea Ad
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Han Jeon
Center For Advanced Plasma Surface Technology Sungkyunkwan University
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Setsuhara Yuichi
Joining And Welding Research Institute Osaka University
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Choi Yoon
Center for Advanced Plasma Surface Technology, Sungkyunkwan University, Suwon 440-746, Republic of Korea
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Byun Tae
Center for Advanced Plasma Surface Technology, Sungkyunkwan University, Suwon 440-746, Republic of Korea
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Kim Youn
Center for Advanced Plasma Surface Technology, Sungkyunkwan University, Suwon 440-746, Republic of Korea
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Choi In
Center for Advanced Plasma Surface Technology, Sungkyunkwan University, Suwon 440-746, Republic of Korea
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Kim Sung
Center for Advanced Plasma Surface Technology, Sungkyunkwan University, Suwon 440-746, Republic of Korea
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Han Jeon
Center for Advanced Plasma Surface Technology, Sungkyunkwan University, Suwon 440-746, Republic of Korea
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