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    • 11. 发明授权
    • Global planarization using SOG and CMP
    • 使用SOG和CMP的全局平面化
    • US6010963A
    • 2000-01-04
    • US567504
    • 1995-12-05
    • Derryl D. J. AllmanKenneth P. Fuchs
    • Derryl D. J. AllmanKenneth P. Fuchs
    • H01L21/3105H01L21/316H01L21/768H01L21/20
    • H01L21/76819H01L21/31053H01L21/31055H01L21/316
    • A method for planarizing the surface of a semiconductor device which employs spin on glass (SOG) and an etching operation to remove high portions of the SOG prior to a chemical metal polish (CMP) operation. The SOG is baked and cured before etching. Additional layers of SOG and etching operations may be employed as necessary. A thick encapsulating oxide layer is deposited over the SOG layer. For surface irregularities caused by metal lines, an insulating layer may be deposited over the surface before the SOG. Where an additional metal line is to be deposited on the surface, an additional insulating layer is deposited after the CMP operation. In the case of metal lines made of aluminum, provision is also made for preventing Hillock formations on the metal lines.
    • 在化学金属抛光(CMP)操作之前,使用旋涂玻璃(SOG)的半导体器件的表面平坦化的方法和蚀刻操作来去除SOG的高部分。 SOG在蚀刻前烘烤和固化。 根据需要可以采用附加的SOG层和蚀刻操作。 在SOG层上沉积厚的封装氧化物层。 对于由金属线引起的表面凹凸,绝缘层可能沉积在SOG之前的表面上。 在附加金属线要沉积在表面上的情况下,在CMP操作之后沉积附加的绝缘层。 在由铝制成的金属线的情况下,还提供用于防止金属线上的小丘形成。
    • 14. 发明授权
    • Process for forming a low k carbon-doped silicon oxide dielectric material on an integrated circuit structure
    • 在集成电路结构上形成低k碳掺杂氧化硅介电材料的工艺
    • US06583026B1
    • 2003-06-24
    • US09872058
    • 2001-05-31
    • Derryl D. J. AllmanPonce SaopraseuthHemanshu D. Bhatt
    • Derryl D. J. AllmanPonce SaopraseuthHemanshu D. Bhatt
    • H01L2176
    • H01L21/02126C23C16/401H01L21/02211H01L21/0228H01L21/02304H01L21/0234H01L21/31633
    • A process for forming a low k carbon-doped silicon oxide dielectric material (lkc-dsodm) on an integrated circuit structure is characterized by improved planarity and good gap fill in high aspect ratio regions of the integrated circuit structure, as well as improved film strength and adherence, and less byproducts trapped in the film. The process comprises: depositing a plurality of layers of lkc-dsodm on an integrated circuit structure in a reactor; and pausing after depositing each layer of lkc-dsodm and before depositing a further layer of lkc-dsodm. The process can further include first forming a base or barrier layer of a silicon-rich and nitrogen-rich dielectric material over the integrated circuit structure, plasma etching the upper surface of the barrier layer to facilitate adhesion of the subsequently deposited lkc-dsodm to the barrier layer, and then, before depositing the first layer of lkc-dsodm, cooling the etched barrier layer down to within 10° C. or less of the subsequent deposition temperature used for formation of the film of lkc-dsodm. In another aspect of the invention the pausing step further includes, before deposition of the next layer of lkc-dsodm, flowing a source of non-reactive gas over the surface of the newly deposited layer of lkc-dsodm to facilitate outgassing and removal of byproducts resulting from the preceding formation and deposition of lkc-dsodm.
    • 在集成电路结构上形成低k碳掺杂氧化硅电介质材料(lkc-dsodm)的方法的特征在于集成电路结构的高纵横比区域中的平坦度和良好的间隙填充,以及改进的膜强度 和坚持,更少的副产品被困在电影中。 该方法包括:在反应器中的集成电路结构上沉积多层lkc-dsodm; 并且在沉积每层lkc-dsodm之后并在沉积另外一层lkc-dsodm之前暂停。 该方法还可以包括首先在集成电路结构上形成富硅和富氮介电材料的基底或阻挡层,等离子体蚀刻阻挡层的上表面,以便于随后沉积的lkc-dsodm粘附到 然后在沉积第一层lkc-dsodm之前,将蚀刻的阻挡层冷却到用于形成lkc-dsodm膜的后续沉积温度的10℃以内。 在本发明的另一方面,暂停步骤还包括在沉积下一层lkc-dsodm之前,将非反应性气体源流过新沉积的lkc-dsodm层的表面以便于除气和除去副产物 由于以前的lkc-dsodm的形成和沉积而产生。
    • 15. 发明授权
    • Interconnect-embedded metal-insulator-metal capacitor
    • 互连嵌入式金属 - 绝缘体 - 金属电容器
    • US06504202B1
    • 2003-01-07
    • US09496971
    • 2000-02-02
    • Derryl D. J. AllmanKenneth Fuchs
    • Derryl D. J. AllmanKenneth Fuchs
    • H01L2976
    • H01L28/40H01L21/768H01L28/75
    • A metal-insulator-metal capacitor is embedded in an interconnect layer of an integrated circuit (IC). The interconnect layer has a cavity, and the capacitor is formed in the cavity with one of the plates of the capacitor integral with a conductive layer of the interconnect layer, so the capacitor plate electrically communicates with the interconnect layer. The interconnect layer has multiple conductive layers, including a layer, such as aluminum, that is subject to deformation at certain temperatures during fabrication of the IC, and the cavity extends through this layer. A remaining conductive layer of the interconnect layer defines one of the capacitor plates, and a dielectric layer and another capacitor plate are formed thereon within the cavity. Via interconnects of about the same length electrically connect to the top plate and through the interconnect layer to the bottom plate.
    • 金属 - 绝缘体 - 金属电容器嵌入在集成电路(IC)的互连层中。 互连层具有空腔,并且电容器形成在空腔中,电容器的一个板与互连层的导电层成一体,因此电容器板与互连层电连通。 互连层具有多个导电层,包括在制造IC期间在特定温度下经受变形的诸如铝的层,并且空腔延伸穿过该层。 互连层的剩余导电层限定电容器板中的一个,并且在腔内形成介电层和另一电容器板。 通过大致相同长度的互连电连接到顶板并且通过互连层连接到底板。
    • 18. 发明授权
    • Nanotube fuse structure
    • 纳米管保险丝结构
    • US07598127B2
    • 2009-10-06
    • US11284503
    • 2005-11-22
    • Bruce J. WhitefieldDerryl D. J. AllmanThomas RueckesClaude L. Bertin
    • Bruce J. WhitefieldDerryl D. J. AllmanThomas RueckesClaude L. Bertin
    • H01L21/86
    • H01L23/5258H01L23/5256H01L2924/0002Y10S977/742H01L2924/00
    • A method of forming a carbon nanotube fuse by depositing a carbon nanotube layer, then depositing a cap layer directly over the carbon nanotube layer. The cap layer is formed of a material that has an insufficient amount of oxygen to significantly oxidize the carbon nanotube layer under operating conditions, and is otherwise sufficiently robust to protect the carbon nanotube layer from oxygen and plasmas. A photoresist layer is formed over the cap layer, and the photoresist layer is patterned to define a desired size of fuse. Both the cap layer and the carbon nanotube layer are completely etched, without removing the photoresist layer, to define the fuse having two ends in the carbon nanotube layer. Just the cap layer is etched, without removing the photoresist layer, so as to reduce the cap layer by a desired amount at the edges of the cap layer under the photoresist layer, without damaging the carbon nanotube layer. The photoresist layer is removed, and electrically conductive contacts are formed on each of the two ends of the fuse.
    • 通过沉积碳纳米管层形成碳纳米管熔丝,然后在碳纳米管层上直接沉积覆盖层的方法。 盖层由具有不足量的氧的材料形成,以在操作条件下显着地氧化碳纳米管层,否则足够坚固以保护碳纳米管层免受氧气和等离子体的影响。 在盖层上形成光致抗蚀剂层,并且将光致抗蚀剂层图案化以限定所需尺寸的熔丝。 完全蚀刻盖层和碳纳米管层,而不去除光致抗蚀剂层,以限定在碳纳米管层中具有两端的熔丝。 只是盖层被蚀刻,而不去除光致抗蚀剂层,以便在光致抗蚀剂层下的盖层的边缘处将盖层减少所需量,而不损害碳纳米管层。 去除光致抗蚀剂层,并且在熔丝的两端的每一端上形成导电触点。