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    • 41. 发明申请
    • Batch-type heat treatment apparatus and control method for the batch-type heat treatment apparatus
    • 批式热处理装置和批式热处理装置的控制方法
    • US20020045146A1
    • 2002-04-18
    • US09950876
    • 2001-09-13
    • Wenling WangKoichi SakamotoFujio SuzukiMoyuru Yasuhara
    • F27D019/00
    • H01L21/67109C23C16/46C23C16/52C30B31/18F27D19/00F27D21/0014G05D23/1932H01L21/67248
    • A heat treatment apparatus for making a heat treatment while estimating temperatures of objects-to-be-processed can estimate correct temperatures of the objects-to-be-processed. A reaction tube 2 comprises heaters 31-35, and temperature sensors Sin1-Sin5, Sout1-Sout5, and receives a wafer boat 23. A controller 100 estimates temperatures of wafers W and temperatures of the temperature sensors Sin1-Sin5 in 5 zones in the reaction tube 2 corresponding to the heaters 31-35 by using the temperature sensors Sin1-Sin5, Sout1-Sout5 and electric powers of the heaters 31-35. Based on relationships between estimated temperatures of the temperature sensors Sin1-Sin5 and really metered temperatures, functions f1-f5 expressing the relationships between the estimated temperatures and the really metered temperatures are given for the respective zones. The functions f1-f5 are substituted by the estimated wafer temperatures to correct the estimated wafer temperatures. Electric powers to be fed to the respective heaters 31-35 are respectively controlled so that the corrected wafer temperatures are converged to target temperature trajectories.
    • 在估计被处理物体的温度的同时进行热处理的热处理装置可以估计被处理物的正确的温度。 反应管2包括加热器31-35和温度传感器Sin1-Sin5,Sout1-Sout5并接收晶片舟23.控制器100估计晶片W的温度和温度传感器Sin1-Sin5在5个区域中的温度 通过使用温度传感器Sin1-Sin5,Sout1-Sout5和加热器31-35的电功率对应于加热器31-35的反应管2。 基于温度传感器Sin1-Sin5的估计温度与真实计量温度之间的关系,给出了表示估计温度和真实计量温度之间的关系的函数f1-f5。 函数f1-f5由估计的晶片温度代替以校正估计的晶片温度。 分别控制供给到各个加热器31-35的电力,使得校正的晶片温度会聚到目标温度轨迹。
    • 42. 发明申请
    • Method and apparatus for controlling rise and fall of temperature in semiconductor substrates
    • 用于控制半导体衬底温度升高和降低的方法和装置
    • US20010020439A1
    • 2001-09-13
    • US09729669
    • 2000-12-05
    • Shyuji TobashiTadashi OhashiKatsuyuki IwataHiroyuki SaitoShinichi MitaniTakaaki HondaHideki AraiYoshitaka MurofushiKunihiko SuzukiHidenori TakahashiHideki ItoHirofumi Katsumata
    • C30B025/00C30B023/00C30B028/12C30B028/14
    • C23C16/45587C23C16/4584C23C16/46C23C16/52C30B25/12C30B25/16C30B31/14C30B31/18
    • A method of controlling the temperature of a semiconductor substrate for prevention of any cracks from being formed in the semiconductor substrate event though semiconductors having different temperature rise/fall characteristics are fed into a reactor in which each semiconductor substrates is subjected to an oxidation, diffusion, or a chemical vapor deposition process. The temperatures are measured at various points in the semiconductor substrates in the heated reactor; the temperature rise/fall characteristic thereof is determined by computing the rate of temperature rise and the in-plane temperature distribution out of the measured values; a temperature control program adaptable for said temperature rise/fall characteristic is automatically selected out of a plurality of temperature control programs written in advance; the semiconductor substrate is controlled on the basis of the selected temperature control program. Also is provided a susceptor to reduce contamination of the semiconductor substrate with the metal impurities containing gas flow at the time of forming a thin film on the semiconductor substrate, and a gas phase thin film growth apparatus using such susceptor. The susceptor is formed with a gas flow deflector jutting downwardly from the peripheral portion of the reverse side of the susceptor to deflect the gas flow moving upon rotation along the reverse side of the susceptor from the center thereof to the peripheral portion thereof.
    • 控制半导体基板的温度的方法,即使在具有不同温度上升/下降特性的半导体的半导体衬底的事件中,也可以将半导体衬底的各个半导体衬底进行氧化,扩散, 或化学气相沉积工艺。 在加热的反应器中的半导体衬底中的各个点测量温度; 其温度上升/下降特性通过计算测量值中的温度升高速率和面内温度分布来确定; 可以从预先书写的多个温度控制程序中自动选择适合于所述温度上升/下降特性的温度控制程序; 基于所选择的温度控制程序来控制半导体衬底。 还提供了一种感受器,用于在半导体衬底上形成薄膜时减少含有气体流的金属杂质的半导体衬底的污染,以及使用这种感受体的气相薄膜生长装置。 基座形成有从基座的相反侧的周边部分向下突出的气流导流器,以使沿基座的相反侧旋转的气流从其中心偏转到其周边部分。
    • 50. 发明授权
    • RTA chamber with in situ reflective index monitor
    • RTA室与原位反射指数监视器
    • US06740196B2
    • 2004-05-25
    • US10081481
    • 2002-02-21
    • Fu-Su LeeJuin-Jie ChangChing-Shan Lu
    • Fu-Su LeeJuin-Jie ChangChing-Shan Lu
    • C23F100
    • C30B31/18C30B31/12G01M11/005H01L21/31662H01L21/67115H01L21/67253
    • A rapid thermal anneal (RTA) chamber having one or multiple openings in a chamber wall and a reflective index monitor in the opening or openings, respectively. The reflective index monitor or monitors each measures the infrared reflective index of the reflector plate of the rapid thermal anneal chamber, and sends a corresponding signal to a process controller, an alarm, or both a process controller and an alarm. In the event that the measured reflective index of the reflector plate deviates from the reflective index of a control, the process controller terminates heating operation of the chamber to prevent damage to the semiconductor wafer in the chamber. The alarm may be activated to alert personnel to the need for immediate replacement of the contaminated reflector plate.
    • 快速热退火(RTA)室在室壁中具有一个或多个开口,并且在开口或开口中分别具有反射指数监测器。 反射指数监视器或监视器各自测量快速热退火室的反射板的红外反射指数,并将相应的信号发送到过程控制器,报警器或过程控制器和报警器。 在反射板的测量反射指数偏离控制器的反射指数的情况下,过程控制器终止腔室的加热操作,以防止对腔室中的半导体晶片的损坏。 可能会启动警报,提醒人员需要立即更换污染的反射板。