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    • 2. 发明申请
    • Atomic layer deposition methods of forming conductive metal nitride-comprising layers
    • 形成导电金属氮化物层的原子层沉积方法
    • US20060263523A1
    • 2006-11-23
    • US11497692
    • 2006-07-31
    • Brenda KrausEugene Marsh
    • Brenda KrausEugene Marsh
    • C23C16/00H05H1/24
    • C23C16/45542C23C16/34
    • This invention includes atomic layer deposition methods of forming conductive metal nitride comprising layers. In one implementation, an atomic layer deposition method of forming a conductive metal nitride comprising layer includes positioning a substrate within a deposition chamber. A first species is chemisorbed to form a first species monolayer onto the substrate from a gaseous first precursor comprising at least one of an amido metal organic compound or an imido metal organic compound. The first species monolayer comprises organic groups. The chemisorbed first species is contacted with a second precursor plasma effective to react with the first species monolayer to remove organic groups from the first species monolayer. The chemisorbing and contacting are successively repeated under conditions effective to form a layer of material on the substrate comprising a conductive metal nitride.
    • 本发明包括形成包含层的导电金属氮化物的原子层沉积方法。 在一个实施方案中,形成导电金属氮化物包括层的原子层沉积方法包括将衬底定位在沉积室内。 化学吸附第一物质以从包含酰氨基金属有机化合物或亚氨基金属有机化合物中的至少一种的气态第一前体在基底上形成第一物质单层。 第一种物质单层包括有机基团。 化学吸附的第一物质与第二前体血浆接触,其有效地与第一物质单层反应以从第一物质单层除去有机基团。 在有效地在包含导电金属氮化物的衬底上形成材料层的条件下连续重复化学吸附和接触。
    • 6. 发明申请
    • Semiconductor device with metal fill by treatment of mobility layers
    • 具有通过处理迁移率层的金属填充的半导体器件
    • US20050006769A1
    • 2005-01-13
    • US10915131
    • 2004-08-10
    • John GivensRussell ZahorikBrenda Kraus
    • John GivensRussell ZahorikBrenda Kraus
    • H01L23/485H01L23/532H01L23/48H01L21/00H01L21/4763H01L23/52H01L29/40
    • H01L23/485H01L23/53223H01L2924/0002H01L2924/00
    • A recess having a height-to-width aspect ratio from about 6:1 to about 10:1 in a semiconductor structure is disclosed with a method of forming the same. In a first embodiment, a refractory metal layer is formed in the recess, which can be a trench, a contact hole, or a combination thereof. A refractory metal nitride layer is then formed on the refractory metal layer. A heat treatment is used to form a metal silicide contact at the bottom of the contact hole upon a semiconductor material. In a first alternative method, an ammonia high-temperature treatment is conducted to remove undesirable impurities within the refractory metal nitride layer lining the contact hole and to replace the impurities with more nitrogen. In a second alternative method, a second refractory metal nitride layer is formed by PVD upon the first refractory metal nitride layer. In either alternative, a metallization layer is deposited within the recess.
    • 通过形成半导体结构的方法,公开了半导体结构中的高度 - 宽度纵横比为约6:1至约10:1的凹槽。 在第一实施例中,难熔金属层形成在凹槽中,其可以是沟槽,接触孔或其组合。 然后在难熔金属层上形成难熔金属氮化物层。 使用热处理在半导体材料上的接触孔的底部形成金属硅化物接触。 在第一替代方法中,进行氨高温处理以除去在接触孔内衬的难熔金属氮化物层内的不期望的杂质,并用更多的氮替代杂质。 在第二替代方法中,通过PVD在第一难熔金属氮化物层上形成第二难熔金属氮化物层。 在任一替代方案中,在凹陷内沉积金属化层。