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    • 13. 发明申请
    • APPARATUS AND METHOD FOR SUBSTRATE EDGE ETCHING
    • 用于基底边缘蚀刻的装置和方法
    • WO2007038514B1
    • 2008-11-06
    • PCT/US2006037492
    • 2006-09-26
    • LAM RES CORPKIM YUNSANGBAILEY III ANDREW DYOON HYUNGSUK ALEXANDER
    • KIM YUNSANGBAILEY III ANDREW DYOON HYUNGSUK ALEXANDER
    • C23F1/00H01L21/306
    • H01L21/02087H01J37/321H01J37/32623
    • A plasma processing system including a plasma chamber for processing a substrate is disclosed. The apparatus includes a chuck configured for supporting a first surface of the substrate. The apparatus also includes a plasma resistant barrier disposed in a spaced-apart relationship with respect to a second surface of the substrate, the second surface being opposite the first surface, the plasma resistant barrier substantially shielding a center portion of the substrate and leaving an annular periphery area of the second surface of the substrate substantially unshielded by the plasma resistant barrier. The apparatus further includes at least one powered electrode, the powered electrode operating cooperatively with the plasma resistant barrier to generate confined plasma from a plasma gas, the confined plasma being substantially confined to the annular periphery portion of the substrate and away from the center portion of the substrate.
    • 公开了一种等离子体处理系统,其包括用于处理基板的等离子体室。 该设备包括配置用于支撑衬底的第一表面的卡盘。 所述设备还包括抗等离子体阻挡层,所述抗等离子体阻挡层相对于所述衬底的第二表面以间隔关系设置,所述第二表面与所述第一表面相对,所述抗等离子体阻挡层基本上屏蔽所述衬底的中心部分并留下环形 衬底的第二表面的外围区域基本上未被等离子体阻挡屏障遮蔽。 该装置还包括至少一个通电电极,该通电​​电极与抗等离子体阻挡层协同操作以从等离子体气体生成受限等离子体,该受限等离子体基本上被限制在衬底的环形周边部分并且远离 衬底。
    • 14. 发明申请
    • SELF ASSEMBLED MONOLAYER FOR IMPROVING ADHESION BETWEEN COPPER AND BARRIER LAYER
    • 自组装单层膜用于改善铜与阻隔层之间的粘附性
    • WO2008027205A3
    • 2008-04-24
    • PCT/US2007018212
    • 2007-08-15
    • LAM RES CORPNALLA PRAVEENTHIE WILLIAMBOYD JOHNARUNAGIRI TIRUCHIRAPALLIYOON HYUNGSUK ALEXANDERREDEKER FRITZ CDORDI YEZDI
    • NALLA PRAVEENTHIE WILLIAMBOYD JOHNARUNAGIRI TIRUCHIRAPALLIYOON HYUNGSUK ALEXANDERREDEKER FRITZ CDORDI YEZDI
    • C23F11/00H01L21/302H01L21/312
    • C23C16/45525C23C16/18H01L21/288H01L21/76843H01L21/76855H01L21/76856H01L21/76861
    • The embodiments fill the need enabling deposition of a thin and conformal barrier layer, and a copper layer in the copper interconnect with good electro-migration performance and with reduced risk of stress-induce voiding of copper interconnect. Electromigration and stress-induced voiding are affected by the adhesion between the barrier layer and the copper layer. A functionalization layer is deposited over the barrier layer to enable the copper layer being deposit in the copper interconnect. The functionalization layer forms strong bonds with barrier layer and with copper to improve adhesion property between the two layers. An exemplary method of preparing a substrate surface of a substrate to deposit a functionalization layer over a metallic barrier layer of a copper interconnect to assist deposition of a copper layer in the copper interconnect in order to improve electromigration performance of the copper interconnect is provided. The method includes depositing the metallic barrier layer to line the copper interconnect structure in the integrated system, and oxidizing a surface of the metallic barrier layer. The method also includes depositing the functionalization layer over the oxidized surface of the metallic barrier layer, and depositing the copper layer in the copper interconnect structure after the funcationalization layer is deposited over the metallic barrier layer.
    • 这些实施例满足了能够在铜互连中沉积薄且共形的阻挡层以及铜层的需要,其具有良好的电迁移性能并且具有降低的应力诱发铜互连空洞的风险。 电迁移和应力引起的空洞受阻挡层和铜层之间的粘附影响。 功能化层沉积在阻挡层上以使铜层能够沉积在铜互连中。 官能化层与阻挡层和铜形成牢固的结合,以改善两层之间的粘合性能。 提供了制备衬底的衬底表面以在铜互连的金属阻挡层上沉积功能化层以帮助在铜互连中沉积铜层以改善铜互连的电迁移性能的示例性方法。 该方法包括沉积金属阻挡层以使集成系统中的铜互连结构排成线,并且氧化金属阻挡层的表面。 该方法还包括在金属阻挡层的氧化表面上沉积功能化层,并且在功能化层沉积在金属阻挡层上之后将铜层沉积在铜互连结构中。