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    • 3. 发明授权
    • Method of forming deposition film
    • 形成沉积膜的方法
    • US5492734A
    • 1996-02-20
    • US261883
    • 1994-06-17
    • Shigeyuki MatsumotoOsamu Ikeda
    • Shigeyuki MatsumotoOsamu Ikeda
    • C23C16/04C23C16/20H01L21/285H01L21/768B05D3/06B05D3/00C23C16/00
    • H01L21/76879C23C16/04C23C16/20H01L21/28562
    • This invention provides a method of forming a deposition film serving as a high-quality wiring layer having good stress migration durability against any material such as a non-monocrystalline material. A substrate is located in a deposition film formation space, a gas of an alkylaluminum halide is supplied to the deposition film formation space, and an aluminum film is selectively formed on an electron donor surface at a partial pressure of the alkylaluminum halide of 7.times.10.sup.-3 Torr to 9.times.10.sup.-2 Torr in the range of a decomposition temperature or more of the alkylaluminum halide and 450.degree. C. or less. When deposition is to be performed on the non-monocrystalline material, a chemical treatment for terminating with hydrogen atoms a non-electron donor surface of a substrate having the electron donor surface and the non-electron donor surface is performed, and the deposition film is deposited by a non-selective deposition method.
    • 本发明提供了一种形成用作高质量布线层的沉积膜的方法,其对诸如非单晶材料的任何材料具有良好的应力迁移耐久性。 基板位于沉积膜形成空间中,烷基铝卤化物的气体被供应到沉积膜形成空间,并且在阴极氧化铝的分压为7×10 -3的电子供体表面上选择性地形成铝膜 在分解温度以上的卤化烷基铝和450℃以下的范围内乇至9×10 -2乇。 当对非单晶材料进行沉积时,执行用氢原子终止具有电子给体表面和非电子给体表面的基底的非电子给体表面的化学处理,并且沉积膜是 通过非选择性沉积方法沉积。