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    • 14. 发明公开
    • Magnetic field enhanced plasma etch reactor
    • PlasmaätzvorrichtungmitMagnetfeldverstärkung。
    • EP0566220A2
    • 1993-10-20
    • EP93201991.2
    • 1987-12-18
    • APPLIED MATERIALS, INC.
    • Cheng, DavidMaydan, DanSomekh, SassonStalder, Kenneth R.Andrews, Dana L.Chang, MeiWhite, John M.Wong, Jerry Yuen KuiZeitlin, Vladimir J.Wang, David Nin-Kou
    • H01J37/32H01L21/306C23C16/50
    • H01L21/67069H01J37/32477H01J37/32623H01J37/32743H01J37/32788H01J37/32862
    • A magnetic field enhanced single wafer plasma etch reactor (60) is disclosed. The features of the reactor include an electrically-controlled stepped magnetic field for providing high rate uniform etching at high pressures; temperature controlled reactor surfaces including heated anode surfaces (walls and gas manifold) and a cooled wafer supporting pedestal/cathode (70,72); and a unitary wafer exchange mechanism (74) comprising wafer lift pins (79) which extend through the pedestal and a wafer clamp ring (78). The lift pins and clamp ring are moved vertically by a one-axis lift mechanism (140) to accept the wafer from a co-operating external robot blade (76), clamp the wafer to the pedestal and return the wafer to the blade. The electrode cooling combines water cooling for the body of the electrode (70) and a thermal conductivity-enhancing gas interface between the wafer and electrode for keeping the wafer surface cooled despite the high power densities applied to the electrode. A gas feed-through device (114, 175, 176) applies the cooling gas to the RF powered electrode (72) without breakdown of the gas. Protective coatings/layers (81,83) of materials such as quartz are provided for surfaces such as the clamp ring and gas manifold. The combination of these features provides a wide pressure regime, high etch rate, high throughput single wafer etcher wich provides uniformity, directionality and selectivity at high gas pressure, operates cleanly and incorporates in-situ self-cleaning capability.
    • 公开了一种磁场增强型单晶片等离子体蚀刻反应器(60)。 反应器的特征包括用于在高压下提供高速均匀蚀刻的电控步进磁场; 温度控制的反应器表面包括加热的阳极表面(壁和气体歧管)和冷却的晶片支撑基座/阴极(70,72); 以及包括延伸穿过基座的晶片提升销(79)和晶片夹紧环(78)的整体晶片更换机构(74)。 提升销和夹紧环通过单轴提升机构(140)垂直移动,以从合作的外部机器人叶片(76)接收晶片,将晶片夹紧到基座并将晶片返回到叶片。 电极冷却结合了用于电极(70)的主体的水冷却和晶片和电极之间的热导率增强气体界面,用于保持晶片表面冷却,尽管施加到电极的高功率密度。 气体馈通装置(114,175,176)将冷却气体施加到RF供电的电极(72),而不会破坏气体。 为诸如夹紧环和气体歧管的表面提供诸如石英的材料的保护涂层/层(81,83)。 这些特征的组合提供了广泛的压力方案,高蚀刻速率,高通量单晶硅蚀刻器,其在高气体压力下提供均匀性,方向性和选择性,干净地操作并且并入原位自清洁能力。
    • 16. 发明公开
    • Multistep planarized chemical vapor deposition process
    • Mehrstufig planarisierte chemische Abscheidung aus der Gasphase。
    • EP0386337A2
    • 1990-09-12
    • EP89123195.3
    • 1989-12-15
    • APPLIED MATERIALS INC.
    • Maydan, DanWang, David Nin-Kou
    • H01L21/311H01L21/768
    • H01L21/02164H01L21/02126H01L21/02129H01L21/022H01L21/02271H01L21/02274H01L21/31051H01L21/31055H01L21/31625H01L21/76819Y10S148/133Y10S438/908
    • An improved planarization process is disclosed which comprises depositing over a patterned integrated circuit structure (2) on a semiconductor wafer (10) a conformal insulation layer (20) by ECR plasma deposition of an insulation materia. The ECR plasma deposition is carried out until the trenches or low regions between adjacent raised portions of the structure are completely filled with insulation material. A planarization layer (30) of a low melting glass material, such as a boron oxide glass, is then formed over the integrated circuit structure (2) to a depth or thickness sufficient to cover the highest portions of the ECR plasma deposited insulation layer (20). This planarization layer (30) is then anisotropically etched back sufficiently to provide a planarized surface on the ECR plasma deposited insulation layer. A further layer (40) of insulation material may then be conventionally CVD deposited over the planarized ECR plasma deposited insulation layer (30) which acts to encapsulate any remaining portions of the planarizing layer (30).
    • 公开了一种改进的平坦化工艺,其包括通过ECR等离子体沉积绝缘材料在半导体晶片(10)上沉积保形绝缘层(20)上的图案化集成电路结构(2)。 执行ECR等离子体沉积,直到结构的相邻凸起部分之间的沟槽或低区域被绝缘材料完全填充。 然后,在集成电路结构(2)上形成低熔点玻璃材料(例如氧化硼玻璃)的平坦化层(30),其深度或厚度足以覆盖ECR等离子体沉积绝缘层的最高部分 20)。 然后将该平坦化层(30)充分地各向异性地回蚀以在ECR等离子体沉积绝缘层上提供平坦化的表面。 然后可以将平均化的ECR等离子体沉积绝缘层(30)上的常规CVD沉积到另外的绝缘材料层(40)上,该隔离层用于封装平坦化层(30)的任何剩余部分。