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    • 19. 发明公开
    • 단차피복성이 우수한 루테늄 화합물 및 이를 이용하여 증착시킨 박막
    • 具有良好步骤覆盖的钌化合物和使用它们的沉积膜
    • KR1020130043557A
    • 2013-04-30
    • KR1020120025377
    • 2012-03-13
    • 주식회사 한솔케미칼
    • 박정우김준영이광덕진휘원
    • C01G55/00C23C16/06
    • C23C16/45553C07F17/02C23C16/18
    • PURPOSE: A ruthenium compound is provided to have excellent thermal stability, gasification performance, and step coverage by including a specific ligand of 1-ethyl-1,4-cyclohexadiene, 1,3-butadiene, or isoprene. CONSTITUTION: A ruthenium compound is represented by chemical formula 1, has T1/2 at 205-230>= in TGA spectrum, and shows constant weight loss at 80-120>=. In 150>= isothermal TGA spectrum, the minimum residue rate reaches 0.1% or less within 90 minutes. A depositing method of a thin film comprises a step of forming ruthenium metal thin film or ruthenium metal oxide thin film by an atomic layer deposition process by using the ruthenium compound represented by chemical formula 1. The step coverage of the ruthenium thin film is 70% or more. The deposition temperature of the ruthenium compound is 200-350>=.
    • 目的:通过包括1-乙基-1,4-环己二烯,1,3-丁二烯或异戊二烯的特定配体,提供钌化合物以具有优异的热稳定性,气化性能和步骤覆盖率。 构成:钌化合物由化学式1表示,在TGA光谱中在205-230> = T1 / 2,在80-120℃下显示恒定的重量损失。 在150℃=等温TGA光谱中,最小残留率在90分钟内达到0.1%以下。 薄膜的沉积方法包括通过使用由化学式1表示的钌化合物通过原子层沉积工艺形成钌金属薄膜或钌金属氧化物薄膜的步骤。钌薄膜的步骤覆盖率为70% 或者更多。 钌化合物的沉积温度为200-350℃。