Memory and manufacturing method thereof
    13.
    发明申请
    Memory and manufacturing method thereof 有权
    其记忆及其制造方法

    公开(公告)号:US20090057748A1

    公开(公告)日:2009-03-05

    申请号:US11892980

    申请日:2007-08-29

    IPC分类号: H01L29/788 H01L21/8239

    摘要: A memory and a manufacturing method thereof are provided. The memory includes a dielectric layer, a polysilicon layer, a first buried diffusion, a second buried diffusion, a charge storage structure and a gate. The polysilicon layer is disposed on the dielectric layer and electrically connected to at least a voltage. The first buried diffusion and the second buried diffusion are separately disposed in the surface of the polysilicon layer. The charge storage structure is disposed on the polysilicon layer and positioned between the first buried diffusion and the second buried diffusion. The gate is disposed on the charge storage structure.

    摘要翻译: 提供了一种存储器及其制造方法。 存储器包括电介质层,多晶硅层,第一掩埋扩散层,第二掩埋扩散层,电荷存储结构和栅极。 多晶硅层设置在电介质层上并电连接至少一个电压。 第一掩埋扩散部和第二掩埋扩散部分别设置在多晶硅层的表面。 电荷存储结构设置在多晶硅层上并且位于第一掩埋扩散区和第二掩埋扩散区之间。 栅极设置在电荷存储结构上。

    Air tunnel floating gate memory cell
    18.
    发明授权
    Air tunnel floating gate memory cell 有权
    空中隧道浮动门存储单元

    公开(公告)号:US08022489B2

    公开(公告)日:2011-09-20

    申请号:US11134155

    申请日:2005-05-20

    摘要: An air tunnel floating gate memory cell includes an air tunnel defined over a substrate. A first polysilicon layer (floating gate) is defined over the air tunnel. An oxide layer is disposed over the first polysilicon layer such that the oxide layer caps the first polysilicon layer and defines the sidewalls of the air tunnel. A second polysilicon layer, functioning as a word line, is defined over the oxide layer. A method for making an air tunnel floating gate memory cell is also disclosed. A sacrificial layer is formed over a substrate. A first polysilicon layer is formed over the sacrificial layer. An oxide layer is deposited over the first polysilicon layer such that the oxide layer caps the first polysilicon layer and defines the sidewalls of the sacrificial layer. A hot phosphoric acid (H3PO4) dip is used to etch away the sacrificial layer to form an air tunnel.

    摘要翻译: 空气隧道浮动栅极存储单元包括限定在衬底上的空气通道。 在空气隧道上定义第一多晶硅层(浮栅)。 氧化物层设置在第一多晶硅层上,使得氧化物层覆盖第一多晶硅层并限定空气通道的侧壁。 用作字线的第二多晶硅层被定义在氧化物层上。 还公开了一种制造空气通道浮动栅极存储单元的方法。 在衬底上形成牺牲层。 在牺牲层上形成第一多晶硅层。 在第一多晶硅层上沉积氧化物层,使得氧化物层覆盖第一多晶硅层并限定牺牲层的侧壁。 使用热磷酸(H 3 PO 4)浸渍来蚀刻掉牺牲层以形成空气通道。

    Air tunnel floating gate memory cell and method for making the same
    20.
    发明申请
    Air tunnel floating gate memory cell and method for making the same 有权
    空气隧道浮栅存储单元及其制作方法

    公开(公告)号:US20060261402A1

    公开(公告)日:2006-11-23

    申请号:US11134155

    申请日:2005-05-20

    IPC分类号: H01L29/78 H01L21/4763

    摘要: An air tunnel floating gate memory cell includes an air tunnel defined over a substrate. A first polysilicon layer (floating gate) is defined over the air tunnel. An oxide layer is disposed over the first polysilicon layer such that the oxide layer caps the first polysilicon layer and defines the sidewalls of the air tunnel. A second polysilicon layer, functioning as a word line, is defined over the oxide layer. A method for making an air tunnel floating gate memory cell is also disclosed. A sacrificial layer is formed over a substrate. A first polysilicon layer is formed over the sacrificial layer. An oxide layer is deposited over the first polysilicon layer such that the oxide layer caps the first polysilicon layer and defines the sidewalls of the sacrificial layer. A hot phosphoric acid (H3PO4) dip is used to etch away the sacrificial layer to form an air tunnel.

    摘要翻译: 空气隧道浮动栅极存储单元包括限定在衬底上的空气通道。 在空气隧道上定义第一多晶硅层(浮栅)。 氧化物层设置在第一多晶硅层上,使得氧化物层覆盖第一多晶硅层并限定空气通道的侧壁。 用作字线的第二多晶硅层被定义在氧化物层上。 还公开了一种制造空气通道浮动栅极存储单元的方法。 在衬底上形成牺牲层。 在牺牲层上形成第一多晶硅层。 在第一多晶硅层上沉积氧化物层,使得氧化物层覆盖第一多晶硅层并限定牺牲层的侧壁。 使用热磷酸(H 3 PO 4)浸渍以蚀刻掉牺牲层以形成空气通道。