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    • 5. 发明申请
    • Methods and Apparatus for High Voltage Diodes
    • 高压二极管的方法和装置
    • US20130334648A1
    • 2013-12-19
    • US13524902
    • 2012-06-15
    • Wan-Yen LinYi-Feng ChangJam-Wem Lee
    • Wan-Yen LinYi-Feng ChangJam-Wem Lee
    • H01L29/861H01L21/329
    • H01L29/66128H01L29/66136H01L29/8611
    • High voltage diodes are disclosed. A semiconductor device is provided having a P well region; an N well region adjacent to the P well region and forming a p-n junction with the P well region; a P+ region forming an anode at the upper surface of the semiconductor substrate in the P well region; an N+ region forming a cathode at the upper surface of the semiconductor substrate in the N well region; and an isolation structure formed over the upper surface of the semiconductor substrate between the anode and the cathode and electrically isolating the anode and cathode including a first dielectric layer overlying a portion of the upper surface of the semiconductor substrate, and a second dielectric layer overlying a portion of the first dielectric layer and a portion of the upper surface of the semiconductor substrate. Methods for forming the devices are disclosed.
    • 公开了高电压二极管。 提供具有P阱区域的半导体器件; 与P阱区相邻并与P阱区形成p-n结的N阱区; 在P阱区域中的半导体衬底的上表面处形成阳极的P +区域; 在N阱区域中的半导体衬底的上表面处形成阴极的N +区域; 以及在阳极和阴极之间形成在半导体衬底的上表面上的隔离结构,并且电绝缘包括覆盖半导体衬底的上表面的一部分的第一电介质层的阳极和阴极以及覆盖在半导体衬底的上表面的第二电介质层 第一电介质层的一部分和半导体衬底的上表面的一部分。 公开了形成装置的方法。
    • 8. 发明授权
    • Punch-through diode
    • 穿通二极管
    • US08557654B2
    • 2013-10-15
    • US12966735
    • 2010-12-13
    • Peter RabkinAndrei Mihnea
    • Peter RabkinAndrei Mihnea
    • H01L21/329H01L21/33H01L27/02H01L23/60H01L23/62
    • H01L27/0255G11C2213/72G11C2213/74H01L27/2409H01L27/2481H01L29/6609H01L29/66121H01L29/861H01L45/04H01L45/1233H01L45/146
    • A punch-through diode and method of fabricating the same are disclosed herein. The punch-through diode may be used as a steering element in a memory device having a reversible resistivity-switching element. For example, a memory cell may include a reversible resistivity-switching element in series with a punch-through diode. The punch-through diode allows bipolar operation of a cross-point memory array. The punch-through diode may have a symmetrical non-linear current/voltage relationship. The punch-through diode has a high current at high bias for selected cells and a low leakage current at low bias for unselected cells. In other words, the ratio of Ion/Ioff is high. Therefore, the punch-through diode is compatible with bipolar switching in cross-point memory arrays having resistive switching elements.
    • 本文公开了穿通二极管及其制造方法。 穿通二极管可以用作具有可逆电阻率开关元件的存储器件中的转向元件。 例如,存储单元可以包括与穿通二极管串联的可逆电阻率开关元件。 穿通二极管允许交叉点存储器阵列的双极性操作。 穿通二极管可具有对称的非线性电流/电压关系。 穿通二极管在选择的电池的高偏压下具有高电流,对于未选择的电池,在低偏压下具有低泄漏电流。 换句话说,Ion / Ioff的比例很高。 因此,穿通二极管与具有电阻式开关元件的交叉点存储器阵列中的双极开关兼容。