Manufacturing method of ceramic electrostatic chuck

The present invention provides a manufacturing method of a ceramic electrostatic chuck, which is possible to implement high purity of a dielectric layer of ceramic or composite ceramic and minimize imbalance of thickness. The present invention includes: a process of forming a groove as a pattern of...

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1. Verfasser: MATSUBARA MANABU
Format: Patent
Sprache:eng ; kor
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Zusammenfassung:The present invention provides a manufacturing method of a ceramic electrostatic chuck, which is possible to implement high purity of a dielectric layer of ceramic or composite ceramic and minimize imbalance of thickness. The present invention includes: a process of forming a groove as a pattern of an electrode on a dielectric layer of ceramic having a density of 95 or more % or composite ceramic; a process of forming metal on the groove and using the same as the electrode pattern; a process of forming a vitalization bonding layer for being bonded on the dielectric layer; and a process of bonding an insulation layer of the ceramic having the density of 95 or more % or the composite ceramic on the dielectric layer. 본 발명은 세라믹 또는 복합 세라믹 유전층의 고순도화 및 두께의 불균형을 최소화하는 것이 가능한 세라믹제 정전 척의 제조 방법을 제공한다. 본 발명은 밀도 95% 이상의 세라믹 또는 복합 세라믹 유전체층에 전극의 패턴으로서의 홈을 형성하는 공정; 홈에 금속을 형성하여 전극 패턴으로 하는 공정; 유전체층에 접합을 위한 활성화 접합층을 형성하는 공정; 밀도 95% 이상의 세라믹 또는 복합 세라믹 절연체층을 유전체층에 접합하는 공정;을 포함한다.