Method of manufacturing a vertical MOS semiconductor device
    21.
    发明公开
    Method of manufacturing a vertical MOS semiconductor device 失效
    一种用于生产一垂直MOS半导体器件的过程

    公开(公告)号:EP0797245A3

    公开(公告)日:1998-05-13

    申请号:EP97104869

    申请日:1997-03-21

    申请人: TOSHIBA KK

    摘要: A groove (4) is formed on a semiconductor substrate (1). A mask material layer (3) is so formed on the surface of the semiconductor substrate (1) as to open a groove (4) region. With the mask material layer (3) used as a mask, a semiconductor layer (10) is selectively formed on the semiconductor substrate (1) exposed with the inner wall surface of the groove (4). Then, the mask material layer (3) is removed. An insulating film (5) is formed on the semiconductor layer (10) formed on the inner wall surface of the groove (4) and the surface of the semiconductor substrate (1). The groove (4) is buried with a conductor (6).

    Split-gate flash EEPROM cell and array with low voltage erasure
    22.
    发明公开
    Split-gate flash EEPROM cell and array with low voltage erasure 失效
    闪存EEPROM - Zelle und Matrix mit geteiltem Gate和schwacher Loschspannung。

    公开(公告)号:EP0620600A2

    公开(公告)日:1994-10-19

    申请号:EP94302670.8

    申请日:1994-04-14

    摘要: Each unit cell (10) of a flash EEPROM array (50) includes a control gate (38) having a section (38b) disposed in series between a program section (34a) of a floating gate (34) and a source (18) to provide threshold voltage control for erasure. The floating gate (34) further has an erase section (34b) which extends from the program section (34a) around an end of a channel (22) to the source (18). A thin tunnel oxide layer (32) is formed between an end portion (34c) of the erase section (34b) and an underlying portion of the source (18) which enables the floating gate (34) to be erased by Fowler-Nordheim tunneling from the end portion (34c) through the oxide layer (32) to the source (18) with low applied voltages.

    摘要翻译: 该阵列包括控制栅极(38),该控制栅极具有串联布置在浮动栅极(34)的节目部分(34a)和源极(18)之间的部分,以提供用于擦除的阈值电压控制。 浮动栅极(34)还具有从编程部分(34a)围绕通道(22)的一端延伸到源极(18)的擦除部分(34b)。 在擦除部分(34b)的端部(34c)和源极(18)的底层部分之间形成薄的隧道氧化物层(32),其能够通过Fowler-Nordheim隧道将浮动栅极(34)擦除 从施加电压低的端部(34c)通过氧化物层(32)到源极(18)。

    Insulated gate field effect device with a curved channel and method of fabrication
    23.
    发明公开
    Insulated gate field effect device with a curved channel and method of fabrication 失效
    具有弯曲通道的绝缘栅场效应器件和制造方法

    公开(公告)号:EP0449418A3

    公开(公告)日:1992-01-02

    申请号:EP91301405.6

    申请日:1991-02-21

    IPC分类号: H01L29/10 H01L29/784

    CPC分类号: H01L29/4232

    摘要: An insulated gate field effect device comprising: a first conductivity type semiconductor substrate having a main surface, said semiconductor substrate having a concave with a curved surface formed on said main surface, an insulating film formed on the main surface including said concave, first and second impurity regions of a second conductivity type formed in the vicinity of said main surface of said semiconductor substrate, and at one side and the other side of said concave, respectively, said first conductivity type region of said semiconductor substrate between said first and second impurity regions having a channel region formed along said concave, and a conductive layer formed above said channel region with said insulating film interposed therebetween.

    Dual-mode transistor devices and methods for operating same
    25.
    发明公开
    Dual-mode transistor devices and methods for operating same 有权
    Transistorvorrichtungen mit Zweifachmodus und Verfahren zu seinem Betrieb

    公开(公告)号:EP2811527A2

    公开(公告)日:2014-12-10

    申请号:EP14153020.4

    申请日:2014-01-29

    IPC分类号: H01L29/739 H01L29/423

    摘要: A dual-mode transistor structure comprises a semiconductor body. The semiconductor body of the device includes a channel region, a p-type terminal region (operable as a source or drain) adjacent a first side of the channel region and an n-type terminal region (operable as a source or drain) adjacent a second side of the channel region. A gate insulator is disposed on a surface of the semiconductor body over the channel region. A gate is disposed on the gate insulator over the channel region. A first assist gate is disposed on a first side of the gate, and a second assist gate is disposed on a second side of the gate. Optionally, a back gate can be included beneath the channel region. Biasing the assist gates can be used to select n-channel or p-channel modes in a single device.

    摘要翻译: 双模式晶体管结构包括半导体本体。 器件的半导体本体包括与沟道区的第一侧相邻的沟道区,p型端子区(可作为源极或漏极),以及邻近沟道区的n型端子区域(可用作源极或漏极) 通道区域的第二侧。 栅极绝缘体设置在沟道区域上的半导体本体的表面上。 栅极设置在沟道区域上的栅极绝缘体上。 第一辅助栅极设置在栅极的第一侧上,第二辅助栅极设置在栅极的第二侧上。 可选地,可以在通道区域下方包括背栅。 可以使用偏置辅助门来在单个设备中选择n通道或p通道模式。

    POWER SEMICONDUCTOR DEVICE
    28.
    发明公开
    POWER SEMICONDUCTOR DEVICE 有权
    功率半导体元件

    公开(公告)号:EP2550677A1

    公开(公告)日:2013-01-30

    申请号:EP11710487.7

    申请日:2011-03-23

    申请人: ABB Technology AG

    IPC分类号: H01L29/423 H01L29/739

    摘要: A power semiconductor device is disclosed with layers of different conductivity types between an emitter electrode on an emitter side and a collector electrode on a collector side. The device can include a drift layer, a first base layer in direct electrical contact to the emitter electrode, a first source region embedded into the first base layer which contacts the emitter electrode and has a higher doping concentration than the drift layer, a first gate electrode in a same plane and lateral to the first base layer, a second base layer in the same plane and lateral to the first base layer, a second gate electrode on top of the emitter side, and a second source region electrically insulated from the second base layer, the second source region and the drift layer by a second insulating layer.