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KCI등재 학술저널

Investigation of Adhesion Mechanism at the Metal-Organic Interface Modified by Plasma Part I

Investigation of Adhesion Mechanism at the Metal-Organic Interface Modified by Plasma Part I

For the mold die sticking mechanism, the major explanation is that the silica as a filler in EMC (epoxy molding compound) wears die surface to be roughened, which results in increase of adhesion strength. As the sticking behavior, however, showed strong dependency on the EMC models based on the experimental results from different semiconductor manufacturers, chemisorption or acid-base interaction is apt to be also functioning as major mechanisms. In this investigation, the plasma source ion implantation (PSII) using O₂, N₂, and CF_4 modifies sample surface to form a new dense layer and improve surface hardness, and change metal surface condition from hydrophilic to hydrophobic or vice versa. Through surface energy quantification by measuring contact angle and surface ion coupling state analysis by Auger, major governing mechanism for sticking issue was figured out to be a complex of mechanical and chemical factors.

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2. 실험 방법

3. 결과 및 고찰

4. 결론

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