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    • 13. 发明授权
    • Integrated module multi-chamber CVD processing system and its method for
processing subtrates
    • 集成模块多室CVD处理系统及其处理方法
    • US5534072A
    • 1996-07-09
    • US77687
    • 1993-06-16
    • Shigeru MizunoYoshihiro KatsumataNobuyuki Takahashi
    • Shigeru MizunoYoshihiro KatsumataNobuyuki Takahashi
    • C23C16/44C23C16/455C23C16/458C23C16/54C23C16/00
    • C23C16/45519C23C16/4401C23C16/45521C23C16/4585C23C16/54Y10S414/135Y10S438/908
    • In a CVD processing system for depositing a blanket tungsten film, a distinct shadow is formed without causing any micro-peeling when the substrate fixture is separated from the substrate so as to prevent any blanket tungsten from being deposited on SiO.sub.2, thus reducing the occurrence of fine dust particles. A CVD processing system for depositing a blanket tungsten film, includes a susceptor (4); a ring chuck (9) for affixing the peripheral portion of a substrate (3) on the susceptor; reactive gas supply mechanisms (17, 18 and 19) for supplying reactive gas; and an exhaust mechanism (2) for exhausting unreacted gas and the like, wherein: the ring chuck has at least three point contact members (10) in contact with the peripheral portion of the substrate; the point contact members are provided at positions outside the inner periphery of the ring chuck; a gap (11) is formed at the point contact members between the ring chuck and the substrate; and purge gas supply mechanisms (20 and 21) are provided to blow off purge gas through the gap in order to prevent reactive gas from entering the gap (11). A ratio of the size of the gap to the flow rate of purge gas is set to such an optimum value as to satisfy a condition in which the position of the peripheral portion of the thin film coincides with the position of the inner periphery of the ring chuck.
    • 在用于沉积覆盖钨膜的CVD处理系统中,当衬底夹具与衬底分离时,形成不同的阴影,而不会发生任何微剥离,以防止任何覆盖的钨沉积在SiO 2上,从而减少 细尘粒子。 一种用于沉积覆盖钨膜的CVD处理系统,包括基座(4); 环形卡盘(9),用于将基板(3)的周边部分固定在基座上; 用于供应反应性气体的反应气体供应机构(17,18和19) 以及用于排出未反应气体等的排气机构(2),其中:所述环卡盘具有与所述基板的周边部分接触的至少三点接触构件(10) 点接触构件设置在环卡盘的内周的外侧的位置; 在环卡盘和基板之间的点接触构件处形成间隙(11); 并且提供吹扫气体供给机构(20和21)以吹扫通过间隙的吹扫气体,以防止反应性气体进入间隙(11)。 将间隙尺寸与吹扫气体的流量的比率设定为最佳值,以满足薄膜的周边部分的位置与环的内周的位置一致的条件 卡盘
    • 14. 发明授权
    • Integrated module multi-chamber CVD processing system and its method for
processing substrates
    • 集成模块多室CVD处理系统及其处理基板的方法
    • US5505779A
    • 1996-04-09
    • US280118
    • 1994-07-25
    • Shigeru MizunoYoshihiro KatsumataNobuyuki Takahashi
    • Shigeru MizunoYoshihiro KatsumataNobuyuki Takahashi
    • C23C16/44C23C16/455C23C16/458C23C16/54C23C16/00
    • C23C16/45519C23C16/4401C23C16/45521C23C16/4585C23C16/54Y10S414/135Y10S438/908
    • In a CVD processing system for depositing a blanket tungsten film, a distinct shadow is formed without causing any micro-peeling when the substrate fixture is separated from the substrate so as to prevent any blanket tungsten from being deposited on SiO.sub.2, thus reducing the occurrence of fine dust particles. A CVD processing system for depositing a blanket tungsten film, includes a susceptor (4); a ring chuck (9) for affixing the peripheral portion of a substrate (3) on the susceptor; reactive gas supply mechanisms (17, 18 and 19) for supplying reactive gas; and an exhaust mechanism (2) for exhausting unreacted gas and the like, wherein: the ring chuck has at least three point contact members (10) in contact with the peripheral portion of the substrate; the point contact members are provided at positions outside the inner periphery of the ring chuck; a gap (11) is formed at the point contact members between the ring chuck and the substrate; and purge gas supply mechanisms (20 and 21) are provided to blow off purge gas through the gap in order to prevent reactive gas from entering the gap (11). A ratio of the size of the gap to the flow rate of purge gas is set to such an optimum value as to satisfy a condition in which the position of the peripheral portion of the thin film coincides with the position of the inner periphery of the ring chuck.
    • 在用于沉积覆盖钨膜的CVD处理系统中,当衬底夹具与衬底分离时,形成不同的阴影,而不会发生任何微剥离,以防止任何覆盖的钨沉积在SiO 2上,从而减少 细尘粒子。 一种用于沉积覆盖钨膜的CVD处理系统,包括基座(4); 环形卡盘(9),用于将基板(3)的周边部分固定在基座上; 用于供应反应性气体的反应气体供应机构(17,18和19) 以及用于排出未反应气体等的排气机构(2),其中:所述环卡盘具有与所述基板的周边部分接触的至少三点接触构件(10) 点接触构件设置在环卡盘的内周的外侧的位置; 在环卡盘和基板之间的点接触构件处形成间隙(11); 并且提供吹扫气体供给机构(20和21)以吹扫通过间隙的吹扫气体,以防止反应性气体进入间隙(11)。 将间隙尺寸与吹扫气体的流量的比率设定为最佳值,以满足薄膜的周边部分的位置与环的内周的位置一致的条件 卡盘