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    • 7. 发明公开
    • Method for forming crystalline deposited film
    • Herstellungsverfahren einer niedergeschlagenen Kristallschicht。
    • EP0241204A2
    • 1987-10-14
    • EP87302786.6
    • 1987-03-31
    • CANON KABUSHIKI KAISHA
    • Matsuyama, JinshoHirai, YutakaUeki, MasaoSakai, Akira
    • H01L21/20H01L21/205C30B25/04
    • H01L21/02381C23C16/04C23C16/24C23C16/44C30B25/18H01L21/0237H01L21/02422H01L21/02488H01L21/02532H01L21/0262H01L21/02639H01L21/02647
    • A method for forming a crystalline deposited film comprises introducing a gaseous starting material for formation of deposited film and a gaseous halogenic oxidizing agent having the property of oxidative action on said starting material into a film forming space in which a substrate having a free surface with a non-nucleation surface (S NDS ) with smaller nucleation density and a nucleation surface (S NDL ) having sufficiently small area for crystal growth from only a single nucleus and having greater nucleation density (ND L ) than the nucleation density (ND s ) of said non-nucleation surface (S NDS ) being arranged adjacent thereto is previously arranged, thereby effecting contact between said materials to form a plurality of precursors containing precursors under excited state, forming a single crystal on said nucleation surface (S NDL ) with at least one precursor of these precursors being as the source for feeding the constituent element of the deposited film and permitting a single crystal to grow from said nucleus.
    • 用于形成结晶沉积膜的方法包括将用于形成沉积膜的气态原料和具有氧化作用的气态卤素氧化剂引入到成膜空间中,其中具有自由表面的基材具有 具有较小成核密度的非成核表面(SNDS)和具有足够小面积的成核表面(SNDL),仅从单个晶核生长并具有比所述非成核的成核密度(NDS)更大的成核密度(NDL) 预先布置与其相邻布置的表面(SNDS),从而实现所述材料之间的接触以形成在激发态下含有前体的多种前体,在所述成核表面(SNDL)上形成单晶,其中这些前体的至少一种前体是 作为供给沉积膜的构成元素并允许单晶的源 从细胞核生长。