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    • 2. 发明授权
    • Multichamber sputtering apparatus
    • 多层溅射装置
    • US5925227A
    • 1999-07-20
    • US859077
    • 1997-05-20
    • Masahiko KobayashiMasahito IshiharaNobuyuki Takahashi
    • Masahiko KobayashiMasahito IshiharaNobuyuki Takahashi
    • C23C14/34C23C14/56H01L21/203H01L21/677
    • C23C14/568
    • A multichamber sputtering apparatus which is used for manufacturing a semiconductor device and the like. In the apparatus, a plurality of sputter chambers and a degas chamber are airtightly connected to and arranged around a center transfer chamber, and processes including sputtering are continuously conducted in a vacuum. A plurality of heat stages are disposed in the degas chamber so that a plurality of substrates are simultaneously heated. In each heat stage, as required, a heating gas introducing unit for introducing a heating gas with causing the heating gas to make contact with the rear face of the substrate, a pressing mechanism which presses the substrate against the heat stage so as to enhance the surface contact between the heat stage and the substrate, or an electrostatic chucking mechanism is disposed.
    • 用于制造半导体器件等的多层溅射装置。 在该装置中,多个溅射室和脱气室与中心传送室气密连接并布置,并且包括溅射在内的处理在真空中连续进行。 多个加热台设置在脱气室中,使多个基板同时加热。 在每个加热阶段,根据需要,加热气体引入单元,用于引入加热气体,使加热气体与基板的背面接触;按压机构,将基板压靠在加热台上,以增强 设置热台和基板之间的表面接触,或静电吸附机构。
    • 3. 发明授权
    • CVD apparatus
    • CVD装置
    • US5624499A
    • 1997-04-29
    • US634676
    • 1996-04-18
    • Shigeru MizunoMasahito IshiharaManabu TagamiHajime SahaseNobuyuki Takahashi
    • Shigeru MizunoMasahito IshiharaManabu TagamiHajime SahaseNobuyuki Takahashi
    • C23C16/44C23C16/448C23C16/455C23C16/458H01L21/205H01L21/285C23C16/00
    • C23C16/45521C23C16/4583
    • A CVD apparatus is equipped with a reactor, a substrate holder, an evacuation section, a reactive gas supply mechanism, a heating mechanism for heating the substrate holder, a differential pressure chuck clamping section for clamping the substrate, and a purge gas supply mechanism for supplying purge gas. The substrate holder is configured to have a circular purge gas blowing channel on the top surface thereof, in which a diameter of an outside wall-surface is less than a diameter of the substrate, and a plurality of purge gas passages in an inside thereof, each of which supplies the purge gas into the purge gas blowing channel. The purge gas passing the purge gas blowing channel is blown off through a clearance between the outer periphery of the substrate and the substrate holder. The purge gas passage includes a radius-directed part directed in a radius direction of the substrate holder and has a purge gas outlet provided on the outside wall-surface of the purge gas blowing channel. The flow of the purge gas in a circumferential direction within the purge gas blowing channel is turbulent and dispersed, and therefore the purge gas blow-off pressure in the whole periphery of the substrate is uniform.
    • CVD装置配备有反应器,基板保持器,排气部,反应气体供给机构,用于加热基板保持件的加热机构,用于夹持基板的差压卡盘夹持部,以及用于 供应吹扫气体。 衬底保持器构造成在其顶表面上具有圆形吹扫气体吹送通道,其中外壁表面的直径小于衬底的直径,并且在其内部具有多个吹扫气体通道, 其中的每一个将净化气体供应到净化气体吹送通道中。 通过吹扫气体吹送通道的净化气体通过衬底的外周和衬底保持器之间的间隙被吹出。 吹扫气体通道包括朝向衬底保持器的半径方向的半径指向部分,并且具有设置在吹扫气体吹送通道的外壁表面上的吹扫气体出口。 净化气体吹送通道内的吹扫气体在圆周方向上的流动是湍流和分散的,因此衬底整个周边的吹扫气体吹出压力是均匀的。
    • 8. 发明授权
    • Sputtering apparatus
    • 溅射装置
    • US6022461A
    • 2000-02-08
    • US740011
    • 1996-10-23
    • Masahiko KobayashiNobuyuki Takahashi
    • Masahiko KobayashiNobuyuki Takahashi
    • C23C14/34C23C14/04C23C14/35H01J37/34H01L21/203H01L21/285
    • C23C14/046C23C14/228C23C14/35H01J37/3244H01J37/3408
    • A long distance sputtering apparatus is provided in which a target and a substrate are disposed so as to oppose each other in a vacuum vessel provided with an exhaust system, wherein the target and substrate are separated by a distance of 150 mm or more. The long distance sputtering apparatus includes a gas-introducing tube, a cylindrical shield, and an exhaust hole. The gas-introducing tube introduces gas from a location closer to the target than halfway between the target and the substrate. The shield is disposed so as to surround the space between the target and the substrate. The exhaust hole is formed closer to the substrate than the gas-introducing tube. The pressure distribution of the sputtering gas between the target and the substrate is characterized by a higher pressure toward the target and a lower pressure toward the substrate.
    • 提供了一种长距离溅射装置,其中靶和衬底在设置有排气系统的真空容器中彼此相对设置,其中靶和衬底被分开150mm以上的距离。 长距离溅射装置包括气体导入管,圆筒形罩和排气孔。 气体导入管从距靶子和基板之间的距离较近的位置引入气体。 该屏蔽被设置为围绕靶和基板之间的空间。 排气孔形成为比气体导入管更靠近基板。 靶和基板之间的溅射气体的压力分布的特征在于朝向目标物的压力较高,朝向基板的压力较低。
    • 9. 发明授权
    • Sputtering device and sputtering method
    • 溅射装置和溅射法
    • US6077403A
    • 2000-06-20
    • US27217
    • 1998-02-20
    • Masahiko KobayashiNobuyuki Takahashi
    • Masahiko KobayashiNobuyuki Takahashi
    • C23C14/34C23C14/04C23C14/35H01J37/34H01L21/285H01L21/768
    • H01J37/3438C23C14/046C23C14/35H01J37/3405H01L21/2855H01L21/76877
    • A sputtering device includes a chamber equipped with an exhaust system. A sputtering power source applies specific high frequency electric power to the target. A supplemental electrode is provided so that it surrounds the flight path of sputter particles between the target and a substrate. The supplemental electrode is either maintained at a floating potential so that it is capacitively coupled with the target to which high frequency electric power has been applied, in addition, high frequency electric power of the same frequency may be applied directly to the supplemental electrode. A plasma P' is formed on the inside of the supplemental electrode, and the sputter particles released from the target are ionized. An extraction-use electric field is set up by an electric field establishment means, and is directed perpendicularly to the substrate. This construction and its associated method allow a film to be formed with good bottom coverage on the inner surfaces of holes whose aspect ratio is over 4.
    • 溅射装置包括配备有排气系统的室。 溅射电源将特定的高频电力施加到目标。 提供补充电极,使得其围绕靶和衬底之间的溅射颗粒的飞行路径。 补充电极被保持在浮置电位,使得其与已经施加高频电力的目标电容耦合,此外,相同频率的高频电力可以直接施加到补充电极。 在补充电极的内侧形成有等离子体P',从靶中释放的溅射粒子被离子化。 提取用电场由电场建立装置建立,并且垂直于基板。 该结构及其相关方法允许在纵横比高于4的孔的内表面上形成具有良好底部覆盖的膜。
    • 10. 发明授权
    • Sputtering apparatus
    • 溅射装置
    • US6045672A
    • 2000-04-04
    • US859093
    • 1997-05-20
    • Masahiko KobayashiNobuyuki Takahashi
    • Masahiko KobayashiNobuyuki Takahashi
    • C23C14/35H01J37/34H01L21/285
    • C23C14/35H01J37/3408
    • A sputtering apparatus with improved bottom coverage ratio, is used in a film depositing step for manufacturing a semiconductor integrated circuit or the like. In the apparatus, arcuate leakage lines of magnetic force emerge from a magnet mechanism which is part of a cathode, and the lines of magnetic force are ranged into a circumferential shape so as to set a plurality of circumferential magnetic fields on the surface of a target. The plurality of circumferential magnetic fields form a plurality of erosion regions having a circumferential shape, without the regions crossing each other. When the diameter of the deepest erosion portion is small, the incident angle of sputter particles can be made small without increasing the target-to-substrate distance. Specifically, in a portion of the substrate on which sputter particles impinge at the largest incident angle from the deepest erosion portion of the erosion regions, the incident angle is smaller than that in the case of a single erosion region, thereby allowing an improved bottom coverage ratio of the fine holes in the substrate, while maintaining a required film deposition rate.
    • 具有改善的底部覆盖率的溅射装置用于制造半导体集成电路等的薄膜沉积步骤中。 在该装置中,磁力的弓形泄漏线从作为阴极的一部分的磁体机构出现,并且磁力线范围为周向形状,以便在目标的表面上设置多个圆周磁场 。 多个圆周磁场形成具有圆周形状的多个侵蚀区域,而不区域交叉。 当最深蚀刻部分的直径小时,可以使溅射粒子的入射角变小,而不增加目标对基板的距离。 具体地说,在溅射粒子以最大入侵角侵蚀侵蚀区域的最深侵蚀部分的基板的一部分上,入射角度小于单一侵蚀区域的入射角度,从而允许改进的底部覆盖 同时保持所需的膜沉积速率。