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    • 15. 发明授权
    • Narrow wide spacer
    • 狭窄的间距
    • US06927129B1
    • 2005-08-09
    • US10821312
    • 2004-04-08
    • Yu SunKuo-Tung ChangAngela T. HuiShenqing Fang
    • Yu SunKuo-Tung ChangAngela T. HuiShenqing Fang
    • H01L21/336H01L21/8247H01L27/105
    • H01L29/6656H01L27/105H01L27/11526H01L27/11534
    • A method for fabricating a semiconductor device. Specifically, A method of manufacturing a semiconductor device comprising: depositing a first oxide layer over a periphery transistor comprising a gate stack, a drain side sidewall and a source side sidewall and over a core transistor comprising a gate stack, a source side sidewall and a drain side sidewall; etching the first oxide layer wherein a portion of the first oxide layer remains on the source side sidewall and on the drain side sidewall of the periphery transistor and on the source side sidewall and on the drain side sidewall of the core transistor; etching the first oxide layer from the source side sidewall of the core transistor; depositing a second oxide layer over the periphery transistor and the core transistor; and etching the second oxide layer wherein a portion of the second oxide layer remains on the first oxide layer formed on the source side sidewall and on the drain side sidewall of the periphery transistor and wherein the second oxide layer remains on the source side sidewall and on the drain side sidewall of the core transistor.
    • 一种半导体器件的制造方法。 具体地说,一种制造半导体器件的方法,包括:在包括栅极堆叠,漏极侧壁和源极侧壁的外围晶体管上沉积第一氧化物层,以及包括栅极堆叠,源极侧壁和 排水侧壁 蚀刻第一氧化物层,其中第一氧化物层的一部分保留在外围晶体管的源极侧壁和漏极侧壁上,并且在芯晶体管的源极侧壁和漏极侧侧壁上残留; 从芯晶体管的源极侧壁蚀刻第一氧化物层; 在外围晶体管和芯晶体管上沉积第二氧化物层; 以及蚀刻所述第二氧化物层,其中所述第二氧化物层的一部分保留在形成在所述外围晶体管的源极侧壁和漏极侧壁上的第一氧化物层上,并且其中所述第二氧化物层保留在所述源侧侧壁上, 芯晶体管的漏极侧壁。
    • 18. 发明授权
    • Method for operating a memory array
    • 操作存储器阵列的方法
    • US5706228A
    • 1998-01-06
    • US603939
    • 1996-02-20
    • Kuo-Tung ChangCraig A. CavinsKo-Min ChangBruce L. MortonGeorge L. Espinor
    • Kuo-Tung ChangCraig A. CavinsKo-Min ChangBruce L. MortonGeorge L. Espinor
    • G11C16/04G11C16/10G11C11/40
    • G11C16/3427G11C16/0433G11C16/10
    • A memory array (25) having a selected memory cell (10) and an unselected memory cell (30) is programmed and read. Each memory cell in the memory array (25) contains an isolation transistor (22) and a floating gate transistor (23). To program the selected memory cell (10), programming voltages are applied to a control gate line (21), a drain line (14), an isolation line (19), and a source line (12). To reduce the effects of the drain disturb problem, a gate terminal (32) of the unselected memory cell (30) is held at a positive voltage. To read selected memory cell (10), a read voltage is applied to an isolation gate line (31) of unselected memory cell (30) which insures that the unselected memory cell (30) does not conduct or contribute to leakage current and power consumption during the read operation.
    • 具有选定的存储单元(10)和未选择的存储单元(30)的存储器阵列(25)被编程和读取。 存储器阵列(25)中的每个存储单元包含隔离晶体管(22)和浮动栅极晶体管(23)。 为了对所选择的存储单元(10)进行编程,将编程电压施加到控制栅极线(21),漏极线(14),隔离线(19)和源极线(12)。 为了减小漏极干扰问题的影响,未选择的存储单元(30)的栅极端子(32)被保持在正电压。 为了读取所选择的存储单元(10),读取电压被施加到未选择存储单元(30)的隔离栅极线(31),其确保未选择的存储单元(30)不导通或有助于漏电流和功耗 在读操作期间。