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    • 1. 发明授权
    • Method and apparatus for forming metal-metal oxide etch stop/barrier for integrated circuit interconnects
    • 用于形成用于集成电路互连的金属 - 金属氧化物蚀刻停止/屏障的方法和装置
    • US07727892B2
    • 2010-06-01
    • US10255930
    • 2002-09-25
    • Xiaorong MorrowJihperng LeuMarkus KuhnJose A. Maiz
    • Xiaorong MorrowJihperng LeuMarkus KuhnJose A. Maiz
    • H01L21/311
    • H01L21/76849H01L21/76829H01L21/76834H01L21/76855H01L21/76888H01L21/76897H01L23/53238H01L2924/0002H01L2924/00
    • Described is a method and apparatus for forming interconnects with a metal-metal oxide electromigration barrier and etch-stop. In one embodiment of the invention, the method includes depositing a metal layer on the top of a planarized interconnect layer, the interconnect layer having an interlayer dielectric (ILD) with a top that is planar with the top of an electrically conductive interconnect. In one embodiment of the invention, the method includes reacting the metal layer with the ILD to form a metal oxide layer on the top of the ILD. At the same time, the metal layer will not be significantly oxidized by the electrically conductive interconnect, thus forming a metal barrier on the electrically conductive interconnect to improve electromigration performance. The metal barrier and metal oxide layer together comprise a protective layer. A second ILD may be subsequently formed on the protective layer, and the protective layer may act an etch-stop during a subsequent etch of the second ILD.
    • 描述了用于与金属 - 金属氧化物电迁移屏障和蚀刻停止形成互连的方法和装置。 在本发明的一个实施例中,该方法包括在平坦化的互连层的顶部上沉积金属层,所述互连层具有层间电介质(ILD),其顶部与导电互连的顶部是平面的。 在本发明的一个实施方案中,该方法包括使金属层与ILD反应以在ILD的顶部形成金属氧化物层。 同时,金属层不会被导电互连显着地氧化,从而在导电互连上形成金属阻挡层以改善电迁移性能。 金属屏障和金属氧化物层一起包括保护层。 随后可以在保护层上形成第二ILD,并且保护层可以在随后的第二ILD蚀刻期间进行蚀刻停止。
    • 2. 发明授权
    • Electrostatic discharge protection circuit
    • 静电放电保护电路
    • US5430595A
    • 1995-07-04
    • US138472
    • 1993-10-15
    • Glen R. WagnerJeffrey SmithJose A. MaizClair C. WebbWilliam M. Holt
    • Glen R. WagnerJeffrey SmithJose A. MaizClair C. WebbWilliam M. Holt
    • H01L27/04H01L21/822H01L27/02H01L27/06H01L29/861H02H9/04H02H3/22
    • H01L27/0262H01L27/0251
    • A device for protecting an integrated circuit (IC) against electrostatic discharge (ESD) includes a self-triggered silicon controlled rectifier (STSCR) coupled across the internal supply potentials of the integrated circuit. The STSCR exhibits a snap-back in its current versus voltage characteristic which is triggered at a predetermined voltage during an ESD event. As large voltages build up across the chip capacitance, the predetermined voltage of the SCR is triggered at a potential which is sufficiently low to protect the internal junctions of the IC from destructive reverse breakdown. The STSCR comprises a pnpn semiconductor structure which includes a n-well disposed in a p-substrate. A first n+ region and a p-type region are both disposed in the n-well. The n+ and p-type regions are spaced apart and electrically connected to form the anode of the SCR. The ESD protection device also includes diode clamps between the periphery and internal power supply lines, and a novel well resistor which provides a distributed resistance further protecting sensitive output buffer circuitry.
    • 用于保护集成电路(IC)防止静电放电(ESD)的装置包括耦合在集成电路的内部电源上的自触发可控硅整流器(STSCR)。 STSCR呈现其在ESD事件期间以预定电压触发的电流对电压特性的瞬时恢复。 当跨越芯片电容的大电压积聚时,SCR的预定电压以足够低的电位被触发,以保护IC的内部结不受破坏性的反向击穿。 STSCR包括pnpn半导体结构,其包括设置在p衬底中的n阱。 第n +区和p型区均设置在n阱中。 n +和p型区域间隔开并电连接以形成SCR的阳极。 ESD保护器件还包括在外围电源线和内部电源线之间的二极管钳位,以及提供进一步保护敏感输出缓冲器电路的分布电阻的新型阱电阻器。
    • 3. 发明授权
    • Method and apparatus for forming metal-metal oxide etch stop/barrier for integrated circuit interconnects
    • 用于形成用于集成电路互连的金属 - 金属氧化物蚀刻停止/屏障的方法和装置
    • US08299617B2
    • 2012-10-30
    • US12763038
    • 2010-04-19
    • Xiaorong MorrowJihperng LeuMarkus KuhnJose A. Maiz
    • Xiaorong MorrowJihperng LeuMarkus KuhnJose A. Maiz
    • H01L29/40
    • H01L21/76849H01L21/76829H01L21/76834H01L21/76855H01L21/76888H01L21/76897H01L23/53238H01L2924/0002H01L2924/00
    • Described is a method and apparatus for forming interconnects with a metal-metal oxide electromigration barrier and etch-stop. In one embodiment of the invention, the method includes depositing a metal layer on the top of a planarized interconnect layer, the interconnect layer having an interlayer dielectric (ILD) with a top that is planar with the top of an electrically conductive interconnect. In one embodiment of the invention, the method includes reacting the metal layer with the ILD to form a metal oxide layer on the top of the ILD. At the same time, the metal layer will not be significantly oxidized by the electrically conductive interconnect, thus forming a metal barrier on the electrically conductive interconnect to improve electromigration performance. The metal barrier and metal oxide layer together comprise a protective layer. A second ILD may be subsequently formed on the protective layer, and the protective layer may act an etch-stop during a subsequent etch of the second ILD.
    • 描述了用于与金属 - 金属氧化物电迁移屏障和蚀刻停止形成互连的方法和装置。 在本发明的一个实施例中,该方法包括在平坦化的互连层的顶部上沉积金属层,所述互连层具有层间电介质(ILD),其顶部与导电互连的顶部是平面的。 在本发明的一个实施方案中,该方法包括使金属层与ILD反应以在ILD的顶部形成金属氧化物层。 同时,金属层不会被导电互连显着地氧化,从而在导电互连上形成金属阻挡层以改善电迁移性能。 金属屏障和金属氧化物层一起包括保护层。 随后可以在保护层上形成第二ILD,并且保护层可以在随后的第二ILD蚀刻期间进行蚀刻停止。
    • 5. 发明申请
    • REPAIR BITS FOR A LOW VOLTAGE CACHE
    • 维修低电压缓存的位置
    • US20100070809A1
    • 2010-03-18
    • US12623169
    • 2009-11-20
    • Morgan J. DempseyJose A. Maiz
    • Morgan J. DempseyJose A. Maiz
    • G11C29/00G06F11/16
    • G11C29/808G11C15/00
    • A method and apparatus for repairing cache memories/arrays is described herein. A cache includes a plurality of lines and logically viewable in columns. A repair cache coupled to the cache includes a repair bit mapped to each logically viewable column. A repair module determines a bad bit to be repaired within a column based on any individual or combination of factors, such as the number of errors per line of the cache, the number of errors correctable per line of the cache due to error correction code (ECC), the failure rate of bits, or other considerations. The bad bit is transparently repaired by the repair bit mapped to the column including the bad bit, upon an access to a cache line including the bad bit.
    • 本文描述了用于修复高速缓冲存储器/阵列的方法和装置。 缓存包括多个行,并且可以在列中逻辑地查看。 耦合到高速缓存的修复缓存包括映射到每个逻辑可见列的修复位。 修复模块基于任何个体或因素组合来确定在列内修复的坏位,例如每个高速缓存行的错误数量,由于错误校正码每行高速缓存可纠错的数量( ECC),位的故障率或其他考虑。 在访问包括坏位的高速缓存行时,坏位被映射到包括坏位的列的修复位透明地修复。
    • 7. 发明授权
    • Repair bits for a low voltage cache
    • 修复低电压缓存的位
    • US07647536B2
    • 2010-01-12
    • US11322988
    • 2005-12-30
    • Morgan J. DempseyJose A. Maiz
    • Morgan J. DempseyJose A. Maiz
    • G11C29/00
    • G11C29/808G11C15/00
    • A method and apparatus for repairing cache memories/arrays is described herein. A cache includes a plurality of lines and logically viewable in columns. A repair cache coupled to the cache includes a repair bit mapped to each logically viewable column. A repair module determines a bad bit to be repaired within a column based on any individual or combination of factors, such as the number of errors per line of the cache, the number of errors correctable per line of the cache due to error correction code (ECC), the failure rate of bits, or other considerations. The bad bit is transparently repaired by the repair bit mapped to the column including the bad bit, upon an access to a cache line including the bad bit.
    • 本文描述了用于修复高速缓冲存储器/阵列的方法和装置。 缓存包括多个行,并且可以在列中逻辑地查看。 耦合到高速缓存的修复缓存包括映射到每个逻辑可见列的修复位。 修复模块基于任何个体或因素组合来确定在列内修复的坏位,例如每个高速缓存行的错误数量,由于错误校正码每行高速缓存可纠错的数量( ECC),位的故障率或其他考虑。 在访问包括坏位的高速缓存行时,坏位被映射到包括坏位的列的修复位透明地修复。