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    • 4. 发明授权
    • Processing method using both a remotely generated plasma and an in-situ
plasma with UV irradiation
    • 使用远程产生的等离子体和原位等离子体与UV照射的处理方法
    • US5248636A
    • 1993-09-28
    • US892460
    • 1992-06-02
    • Cecil J. DavisRhett B. JuchaJoseph D. LuttmerRudy L. YorkLee M. LoewensteinRobert T. MatthewsRandall C. Hildenbrand
    • Cecil J. DavisRhett B. JuchaJoseph D. LuttmerRudy L. YorkLee M. LoewensteinRobert T. MatthewsRandall C. Hildenbrand
    • C23C16/48C23C16/517C23C16/54
    • C23C16/54C23C16/482C23C16/517
    • A processing apparatus and method wherein a wafer is exposed to activated species generated by a first plasma which is separate from the wafer, but is in the process gas flow stream upstream of the wafer, and is also exposed to plasma bombardment generated by a second plasma which has a dark space which substantially adjoins the surface of the wafer. The in situ plasma is relatively low-power, so that the remote plasma can generate activated species, and therefore the in situ plasma power level can be adjusted to optimize the plasma bombardment. Ultraviolet light to illuminate the face of a wafer being processed is generated by a plasma which is within the vacuum chamber but is remote from the face of the wafer. It is useful to design the gas flow system such that the ultraviolet-generating plasma has its own gas feed, and the reaction products from the ultraviolet-generating plasma do not substantially flow or diffuse to the wafer face. A transparent isolator is usefully included between the ultraviolet plasma space and the processing space near the wafer face, so that the ultraviolet plasma can be operated at a vacuum level slightly different from that used near the wafer face, delete but this transparent window is not made thick enough to act as a full vacuum seal.
    • 一种处理装置和方法,其中晶片暴露于由与晶片分离的第一等离子体产生的活化物质,但处于晶片上游的处理气流中,并且还暴露于由第二等离子体产生的等离子体轰击 其具有基本上邻接晶片表面的暗空间。 原位等离子体功率相对较低,远距离等离子体可以产生活化物质,因此可以调整原位等离子体功率水平以优化等离子体轰击。 通过在真空室内而远离晶片表面的等离子体产生照射正在处理的晶片的表面的紫外光。 设计气体流动系统是有用的,使得紫外线发生等离子体具有其自身的气体进料,并且来自紫外线发生等离子体的反应产物基本上不流动或扩散到晶片面。 紫外等离子体空间与晶片表面附近的处理空间之间有效地包含透明隔离器,使得紫外等离子体可以在与晶片表面附近的真空度稍微不同的真空度下进行操作,但是该透明窗口未被制成 足够厚以充当真空密封。
    • 6. 发明授权
    • Wafer processing apparatus having independently controllable energy
sources
    • 具有独立可控能量源的晶片处理装置
    • US5138973A
    • 1992-08-18
    • US282917
    • 1988-12-05
    • Cecil J. DavisRhett B. JuchaJoseph D. LuttmerRudy L. YorkLee M. LoewensteinRobert T. MatthewsRandall C. Hildenbrand
    • Cecil J. DavisRhett B. JuchaJoseph D. LuttmerRudy L. YorkLee M. LoewensteinRobert T. MatthewsRandall C. Hildenbrand
    • C23C16/48C23C16/517C23C16/54
    • C23C16/482C23C16/517C23C16/54
    • A processing apparatus and method wherein a wafer is exposed to activated species generated by a first plasma which is separate from the wafer, but is in the process gas flow stream upstream of the wafer, and is also exposed to plasma bombardment generated by a second plasma which has a dark space which substantially adjoins the surface of the wafer. The in situ plasma is relatively low-power, so that the remote plasma can generate activated species, and therefore the in situ plasma power level can be adjusted to optimize the plasma bombardment. Ultraviolet light to illuminate the face of a wafer being processed is generated by a plasma which is within the vacuum chamber but is remote from the face of the wafer and controlled independent of the in situ plasma. It is useful to design the gas flow system such that the ultraviolet-generating plasma has its own gas feed, and the reaction products from the ultraviolet-generating plasma do not substantially flow or diffuse to the wafer face. A transparent isolator is usefully included between the ultraviolet plasma space and the processing space near the wafer face, so that the ultraviolet plasma can be operated at a vacuum level slightly different from that used near the wafer face.
    • 一种处理装置和方法,其中晶片暴露于由与晶片分离的第一等离子体产生的活化物质,但处于晶片上游的处理气流中,并且还暴露于由第二等离子体产生的等离子体轰击 其具有基本上邻接晶片表面的暗空间。 原位等离子体功率相对较低,远距离等离子体可以产生活化物质,因此可以调整原位等离子体功率水平以优化等离子体轰击。 照亮正在处理的晶片的表面的紫外线是通过等离子体产生的,该等离子体位于真空室内,但远离晶片的表面并独立于原位等离子体进行控制。 设计气体流动系统是有用的,使得紫外线发生等离子体具有其自身的气体进料,并且来自紫外线发生等离子体的反应产物基本上不流动或扩散到晶片面。 紫外等离子体空间与晶片表面附近的处理空间有效地包含透明隔离器,使得紫外线等离子体能够在与晶片面附近使用的真空度稍微不同的真空度下工作。
    • 9. 发明授权
    • Processing apparatus and method
    • 处理装置和方法
    • US4911103A
    • 1990-03-27
    • US274611
    • 1988-11-22
    • Cecil J. DavisDean W. FreemanRobert T. MatthewsJoel T. TomlinRhett B. Jucha
    • Cecil J. DavisDean W. FreemanRobert T. MatthewsJoel T. TomlinRhett B. Jucha
    • C23C16/54C30B31/10C30B35/00H01L21/00
    • H01L21/67017C23C16/54C30B31/103C30B35/005
    • A process module which is compatible with a system using primarily vacuum wafer transport, but which permits processing multiple slices in parallel in a single module. This is accomplished by using notched quartz arms in the module, so that the transfer arm can place each of several wafers into one set of notches in the quartz arms. Optionally, a vertical degree of movement in the arm may be used to accomplish this, and the quartz arms may be immovable. This means that the port from the multi-wafer module into the wafer transfer system must be high enough to accommodate the necessary vertical movement of the transfer arm. After the transfer arm has placed the wafer on the quartz arms, the process module can be elevated to close around the set of wafers and made a seal. If the wafer transport arm is already configured to access wafers directly out of a multi-wafer vacuum wafer carrier, the necessary degree of freedom will necessarily already be present in the transfer arm, and at least one port of the necessary vertical dimensions will necessarily also be already present (between the loadlock and the transfer chamber). This is particularly useful in combination with relatively slow processes, such as thick field oxidation, long anneals, or long furnace heating steps used to drive in diffusions.
    • 一种与使用主要是真空晶片传输的系统兼容的处理模块,但是允许在单个模块中并行处理多个片段。 这通过在模块中使用缺口石英臂来实现,使得传输臂可以将几个晶片中的每一个放置在石英臂中的一组凹口中。 可选地,可以使用臂中的垂直移动度来实现这一点,并且石英臂可以是不可移动的。 这意味着从多晶片模块到晶片传送系统的端口必须足够高以适应传送臂的必要的垂直移动。 在传送臂已经将晶片放置在石英臂上之后,可以将处理模块升高以围绕该组晶片闭合并且形成密封。 如果晶片传送臂已经被配置成直接从多晶片真空晶片载体中进入晶片,则必需的自由度必然已经存在于传送臂中,并且必要的垂直尺寸的至少一个端口也将必然地 已经存在(在负载锁和转移室之间)。 这特别适用于相对较慢的工艺,例如厚场氧化,长退火或用于扩散驱动的长炉加热步骤。