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    • 41. 发明公开
    • 양방향 판독/프로그램 비휘발성 부동 게이트 메모리 셀 및그 어레이와 형성 방법
    • 双向读取或编程非易失性浮动门存储单元,其阵列及其形成方法以增加存储密度
    • KR1020040087929A
    • 2004-10-15
    • KR1020040023896
    • 2004-04-07
    • 실리콘 스토리지 테크놀로지 인크
    • 첸보미프레이어잭리다나
    • H01L27/115
    • H01L27/11521G11C16/0458H01L27/115H01L29/42336H01L29/7887
    • PURPOSE: A bidirectional reading or programming non-volatile floating gate memory cell is provided to increase storage density by storing a single bit in each of two floating gates of a memory cell. CONSTITUTION: A substantially single crystalline semiconductor material is of the first conductivity type. The first region is formed on the semiconductor material, having the second conductivity type different from the first conductivity type. The second region is formed on the semiconductor material, having the second conductivity type and separated from the first region. A channel region including the first, second and third portions interconnects the first and second regions to conduct charges. A dielectric is formed on the channel region. The first floating gate(40a) is formed on the dielectric, separated from the first portion adjacent to the first region. The first floating gate stores at least one of a plurality of bits. The second floating gate(40b) is formed on the dielectric, separated from the second portion adjacent to the second region. The second floating gate stores at least on e of the plurality of bits. A gate electrode is formed on the dielectric, separated from the third portion located between the first and second portions. The first gate electrode is electrically connected to the first region, capacitively coupled to the first floating gate. The second gate electrode is electrically connected to the second region, capacitively coupled to the second floating gate.
    • 目的:提供双向读取或编程非易失性浮动栅极存储单元,以通过将存储单元的两个浮动栅极中的每一个中的单个位存储来增加存储密度。 构成:基本单晶半导体材料是第一导电类型。 第一区域形成在具有不同于第一导电类型的第二导电类型的半导体材料上。 第二区域形成在具有第二导电类型且与第一区域分离的半导体材料上。 包括第一,第二和第三部分的沟道区域互连第一和第二区域以进行电荷。 在沟道区上形成电介质。 第一浮动栅极(40a)形成在电介质上,与第一区域相邻的第一部分分离。 第一浮动门存储多个比特中的至少一个。 第二浮动栅极(40b)形成在与第二区域相邻的第二部分分离的电介质上。 第二浮动栅极至少存储多个位的e。 在电介质上形成栅电极,与位于第一和第二部分之间的第三部分分离。 第一栅电极电连接到第一区,电容耦合到第一浮栅。 第二栅极电连接到第二区域,电容耦合到第二浮栅。
    • 44. 发明公开
    • 비휘발성 메모리소자와 그의 셀어레이 및 그의 데이타 센싱방법
    • 非易失性存储器件,其相同的阵列和用于感测其数据的方法
    • KR1020010036298A
    • 2001-05-07
    • KR1019990043252
    • 1999-10-07
    • 현대반도체 주식회사
    • 권욱현
    • H01L27/115
    • H01L29/7887G11C11/5621G11C11/5642G11C16/0458G11C16/26G11C2211/5612H01L27/115
    • PURPOSE: A non-volatile memory device, a cell array of the same, and a method for sensing data of the same are provided to store a large quantity of data by forming a flash memory cell having two floating gates. CONSTITUTION: The first insulating layer(52) is formed on a semiconductor substrate(51). The first and the second floating gates(53a,53b) are formed on the first gate insulating layer(52). A dopant region is formed on the semiconductor substrate(51) of one side of the first and the second floating gates(53a,53b). The first control gate(56a) is formed on the second gate insulating layer(55) in order to cover a part and one side of the first floating gate(53a). The second control gate(56b) is formed on the second gate insulating layer(55) in order to cover a part and one side of the second floating gate(53b).
    • 目的:通过形成具有两个浮动栅极的闪存单元,提供非易失性存储器件,其单元阵列和用于检测其数据的方法来存储大量数据。 构成:第一绝缘层(52)形成在半导体衬底(51)上。 第一和第二浮栅(53a,53b)形成在第一栅绝缘层(52)上。 在第一和第二浮动栅极(53a,53b)的一侧的半导体衬底(51)上形成掺杂剂区域。 第一控制栅极(56a)形成在第二栅极绝缘层(55)上以覆盖第一浮动栅极(53a)的一侧和一侧。 第二控制栅极(56b)形成在第二栅极绝缘层(55)上,以覆盖第二浮动栅极(53b)的一侧和一侧。