会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明专利
    • Multivalued resistance change memory
    • 多变电阻变化记忆
    • JP2012064271A
    • 2012-03-29
    • JP2010207178
    • 2010-09-15
    • Toshiba Corp株式会社東芝
    • ICHIHARA REIKA
    • G11C13/00H01L27/105H01L45/00H01L49/00
    • G11C11/5685G11C13/003G11C13/004G11C13/0069G11C13/0097G11C2013/0092G11C2211/562G11C2211/563G11C2213/76H01L45/04H01L45/1233H01L45/146H01L45/1675
    • PROBLEM TO BE SOLVED: To provide a multivalued resistance change memory which has excellent writing controllability and high reliability.SOLUTION: The multivalued resistance change memory includes: a first resistance change film RW1 whose one end is connected to a first node N1 and the other end is connected to a second node N2; a second resistance change film RW2 whose one end is connected to a third node N3 and the other end is connected to the second node N2; a memory cell MC provided with a capacitor CP connected between the first and second nodes N1 and N2; a voltage pulse generating circuit 21 for generating a first voltage pulse passing through a first path A including the first and second resistance change films RW1 and RW2, and a second voltage pulse passing through a second path B including the second resistance change film RW2 and the capacitor CP; and a control circuit 22 for storing multivalued data in the memory cell MC using the first and second voltage pulses when the data is written.
    • 要解决的问题:提供具有优异的写入可控性和高可靠性的多值电阻变化存储器。 多值电阻变化存储器包括:第一电阻变化膜RW1,其一端连接到第一节点N1,另一端连接到第二节点N2; 第二电阻变化膜RW2,其一端连接到第三节点N3,另一端连接到第二节点N2; 设置有连接在第一和第二节点N1和N2之间的电容器CP的存储单元MC; 用于产生通过包括第一和第二电阻变化膜RW1和RW2的第一路径A的第一电压脉冲的电压脉冲发生电路21和通过包括第二电阻变化膜RW2的第二通路B的第二电压脉冲和 电容CP; 以及控制电路22,用于在写入数据时使用第一和第二电压脉冲存储存储单元MC中的多值数据。 版权所有(C)2012,JPO&INPIT
    • 3. 发明专利
    • Semiconductor memory device
    • 半导体存储器件
    • JP2011155071A
    • 2011-08-11
    • JP2010014559
    • 2010-01-26
    • Toshiba Corp株式会社東芝
    • MINAMI YOSHIHIRO
    • H01L21/8246H01L27/105
    • H01L21/84G11C11/22G11C11/223G11C11/5657G11C2211/562G11C2211/5648H01L27/10802H01L27/1159H01L29/6684H01L29/78391H01L29/7841
    • PROBLEM TO BE SOLVED: To provide a semiconductor memory device capable of increasing a memory capacity with no complex manufacturing process as compared with conventional one. SOLUTION: The semiconductor memory device is equipped with a plurality of memory cells, each including a semiconductor layer, a source layer and drain layer provided in the semiconductor layer, a body region which is provided in the semiconductor layer between the source layer and the drain layer, being in such electrically floating state as accumulates or releases electric charges for storing logical data, a gate insulating film which is provided on the body region and contains a ferroelectric film having polarization characteristic, and a gate electrode provided on the body region through the gate insulating film. Each of the memory cells stores a plurality of logical data according to the value of electric charges accumulated in the body region as well as a polarization state of the ferroelectric film. COPYRIGHT: (C)2011,JPO&INPIT
    • 要解决的问题:提供一种半导体存储器件,其能够与常规的器件相比,无需复杂的制造工艺来增加存储器容量。 解决方案:半导体存储器件配备有多个存储单元,每个存储单元包括设置在半导体层中的半导体层,源极层和漏极层,主体区域,设置在源极层之间的半导体层中 所述漏极层处于这样的电浮动状态,以蓄积或释放用于存储逻辑数据的电荷;栅极绝缘膜,其设置在所述主体区域上并且包含具有极化特性的铁电体膜;以及栅极,设置在所述主体上 区域通过栅极绝缘膜。 每个存储单元根据累积在体区中的电荷值以及铁电体膜的极化状态存储多个逻辑数据。 版权所有(C)2011,JPO&INPIT