RC-triggered semiconductor controlled rectifier for ESD protection of signal pads
    3.
    发明授权
    RC-triggered semiconductor controlled rectifier for ESD protection of signal pads 有权
    RC触发半导体可控整流器用于信号焊盘的ESD保护

    公开(公告)号:US08891212B2

    公开(公告)日:2014-11-18

    申请号:US13079946

    申请日:2011-04-05

    IPC分类号: H02H9/04 H03K19/003 H01L27/02

    摘要: RC-trigger circuits for a semiconductor controlled rectifier (SCR), methods of providing electrostatic discharge (ESD) protection, and design structures for a RC-trigger circuit. The RC-trigger circuit is coupled to an input/output (I/O) signal pad by an isolation diode and is coupled to a power supply voltage by a power supply diode. Under normal operating conditions, the isolation diode is reverse biased, isolating the RC-trigger circuit from the input/output (I/O) pad, and the power supply diode is forward biased so that the RC-trigger circuit is supplied with power. The isolation diode may become forward biased during ESD events while the chip is unpowered, causing the RC-trigger circuit to trigger an SCR configured protect the signal pad from ESD into a conductive state. The power supply diode may become reverse biased during the ESD event, which isolates the power supply rail from the ESD voltage pulse.

    摘要翻译: 用于半导体可控整流器(SCR)的RC触发电路,提供静电放电(ESD)保护的方法以及用于RC触发电路的设计结构。 RC触发电路通过隔离二极管耦合到输入/输出(I / O)信号焊盘,并通过电源二极管耦合到电源电压。 在正常工作条件下,隔离二极管反向偏置,将RC触发电路与输入/输出(I / O)焊盘隔离,电源二极管正向偏置,使RC触发电路供电。 在ESD事件期间,隔离二极管可能会在芯片未上电时产生正向偏置,导致RC触发电路触发SCR配置,从而将信号焊盘从ESD保护到导通状态。 在ESD事件期间,电源二极管可能会反向偏置,从而将电源轨与ESD电压脉冲隔离。

    Design structures for high-voltage integrated circuits
    4.
    发明授权
    Design structures for high-voltage integrated circuits 失效
    高压集成电路的设计结构

    公开(公告)号:US07786535B2

    公开(公告)日:2010-08-31

    申请号:US12059034

    申请日:2008-03-31

    IPC分类号: H01L29/78

    CPC分类号: H01L27/1203

    摘要: Design structures for high-voltage integrated circuits. The design structure, which is formed using a semiconductor-on-insulator (SOI) substrate, may include device structure with a semiconductor body positioned between first and second gate electrodes. The first and second gate electrodes and the semiconductor body may be formed from the monocrystalline SOI layer of the SOI substrate. A dielectric layer separates each of the first and second gate electrodes from the semiconductor body. These dielectric layers are formed by defining trenches in the SOI layer and filling the trenches with a dielectric material, which may occur concurrently with a process forming other device isolation regions.

    摘要翻译: 高压集成电路的设计结构。 使用绝缘体上半导体(SOI)衬底形成的设计结构可以包括具有位于第一和第二栅电极之间的半导体本体的器件结构。 第一和第二栅电极和半导体本体可以由SOI衬底的单晶SOI层形成。 电介质层将第一和第二栅极电极与半导体本体分开。 这些电介质层通过在SOI层中限定沟槽并用介电材料填充沟槽而形成,介电材料可与形成其它器件隔离区的工艺同时进行。

    Bi-directional back-to-back stacked SCR for high-voltage pin ESD protection, methods of manufacture and design structures
    6.
    发明授权
    Bi-directional back-to-back stacked SCR for high-voltage pin ESD protection, methods of manufacture and design structures 有权
    用于高压引脚ESD保护的双向背对背堆叠SCR,制造和设计结构的方法

    公开(公告)号:US08503140B2

    公开(公告)日:2013-08-06

    申请号:US12898013

    申请日:2010-10-05

    IPC分类号: H02H9/00

    摘要: Bi-directional back-to-back stacked SCRs for high-voltage pin ESD protection, methods of manufacture and design structures are provided. The device includes a symmetrical bi-directional back-to-back stacked silicon controlled rectifier (SCR). An anode of a first of the back-to-back stacked SCR is connected to an input. An anode of a second of the back-to-back stacked SCR is connected to ground. Cathodes of the first and second of the back-to-back stacked SCR are connected together. Each of the symmetrical bi-directional back-to-back SCRs include a pair of diodes directing current towards the cathodes which, upon application of a voltage, become reverse biased effectively and deactivating elements from one of the symmetrical bi-directional back-to-back SCRs while the diodes of another of the symmetrical bi-directional back-to-back SCRs direct current in the same direction as the reverse biased diodes.

    摘要翻译: 提供用于高压针ESD保护的双向背对背堆叠SCR,制造方法和设计结构。 该器件包括对称双向背对背层叠可控硅整流器(SCR)。 背对背堆叠的SCR中的第一个的阳极连接到输入。 背对背堆叠的SCR的第二个的阳极连接到地面。 第一个和第二个背靠背堆叠的SCR的阴极连接在一起。 对称双向背靠背SCR中的每一个包括一对二极管,其引导电流朝向阴极,其在施加电压时有效地变得有效地反向偏置,并且从对称的双向后向SCR中的一个去激活元件, 另一个对称双向背对背SCR的二极管在与反向偏置二极管相同的方向上直流电流,反向SCR。

    Semiconductor-on-insulator device structures with a body-to-substrate connection for enhanced electrostatic discharge protection, and design structures for such semiconductor-on-insulator device structures
    7.
    发明授权
    Semiconductor-on-insulator device structures with a body-to-substrate connection for enhanced electrostatic discharge protection, and design structures for such semiconductor-on-insulator device structures 有权
    具有用于增强静电放电保护的体对衬底连接的绝缘体上半导体器件结构以及这种绝缘体上半导体器件结构的设计结构

    公开(公告)号:US08217455B2

    公开(公告)日:2012-07-10

    申请号:US12102032

    申请日:2008-04-14

    IPC分类号: H01L27/12

    CPC分类号: H01L27/1203 H01L27/0248

    摘要: Semiconductor-on-insulator device structures with enhanced electrostatic discharge protection, and design structures for an integrated circuit with device structures exhibiting enhanced electrostatic discharge protection. A device is formed in a body region of a device layer of a semiconductor-on-insulator substrate, which is bounded by an inner peripheral sidewall of an annular dielectric-filled isolation structure that extends from a top surface of the device layer to the insulating layer of the semiconductor-on-insulator substrate. An annular conductive interconnect extends through the body region and the insulating layer to connect the body region with the bulk wafer of the semiconductor-on-insulator substrate. The annular conductive interconnect is disposed inside the inner peripheral sidewall of the isolation structure, which annularly encircles the body region.

    摘要翻译: 具有增强的静电放电保护的绝缘体上半导体器件结构以及具有增强的静电放电保护的器件结构的集成电路的设计结构。 一种器件形成在绝缘体上半导体衬底的器件层的体区中,该衬底由环形电介质填充的隔离结构的内周侧壁限定,该隔离结构从器件层的顶表面延伸到绝缘体 绝缘体上半导体衬底的层。 环形导电互连延伸穿过主体区域和绝缘层,以将体区域与绝缘体上半导体衬底的体晶片连接。 环形导电互连件设置在隔离结构的内周侧壁的内侧,环形环绕主体区域。