摘要:
A method of manufacturing a transistor by which sufficient stress can be applied to a channel region within allowable ranges of concentrations of Ge and C in a mixed crystal layer. A semiconductor device is also provided.
摘要:
A method of manufacturing a transistor by which sufficient stress can be applied to a channel region within allowable ranges of concentrations of Ge and C in a mixed crystal layer. A semiconductor device is also provided.
摘要:
It is to enhance a current increasing effect by increasing a stress applied on a channel of a transistor. The invention is characterized by comprising: side wall insulating films 33 and 53 formed on a semiconductor substrate 11 with trenches 39 and 59 which are formed by removing dummy gates; gate electrodes 43 and 63 formed within the trenches 39 and 59 through a gate insulating film 41; first and second stress applying films 21 and 22 respectively formed along the side wall insulating films 33 and 53 over the semiconductor substrate 11; and source/drain regions 35, 36, 55, and 56 which are formed in the semiconductor substrate 11 on the both sides of the gate electrodes 43 and 63, in that the stress applying films 21 and 22 are formed before the first trench 39 and the second trench 59 are formed.
摘要:
A solid-state imaging device which includes a pixel section, a peripheral circuit section, a first isolation region formed with a STI structure on a semiconductor substrate in the peripheral circuit section, and a second isolation region formed with the STI structure on the semiconductor substrate in the pixel section. The portion of the second isolation region buried into the semiconductor substrate is shallower than the portion buried into the semiconductor substrate of the first isolation region, and the height of the upper face of the second isolation region is equal to that of the first isolation region. A method of producing the solid-state imaging device and an electronic device provided with the solid-state imaging devices are also disclosed.
摘要:
Provided is a semiconductor device manufacturing method by which sufficient stress can be applied to a channel region within allowable ranges of concentrations of Ge and C in a mixed crystal layer. A semiconductor device is also provided. A dummy gate electrode 3 is formed on a Si substrate 1. Then, a recess region 7 is formed by recess etching by using the dummy gate electrode 3 as a mask. Next, on the surface of the recess region 7, a mixed crystal layer 8 composed of a SiGe layer is epitaxially grown. Subsequently, an interlayer insulating film 12 is formed on the mixed crystal layer 8 to cover the dummy gate electrode 3, and the interlayer insulating film 12 is removed until the surface of the dummy gate electrode 3 is exposed. A recess 13 is formed on the interlayer insulating film 12 to expose the Si substrate 1 by removing the dummy gate electrode 3. Then, a gate electrode 15 is formed in the recess 13 by having a gate insulating film 14 in between.
摘要:
In the present invention, there is provided a semiconductor device including: element isolation regions formed in a state of being buried in a semiconductor substrate such that an element formation region of the semiconductor substrate is interposed between the element isolation regions; a gate electrode formed on the element formation region with an gate insulating film interposed between the gate electrode and the element formation region, the gate electrode being formed so as to cross the element formation region; and source-drain regions formed in the element formation region on both sides of the gate electrode, wherein a channel region made of the element formation region under the gate electrode is formed so as to project from the element isolation regions, and the source-drain regions are formed to a position deeper than surfaces of the element isolation regions.
摘要:
A solid-state imaging device which includes a pixel section, a peripheral circuit section, a first isolation region formed with a STI structure on a semiconductor substrate in the peripheral circuit section, and a second isolation region formed with the STI structure on the semiconductor substrate in the pixel section. The portion of the second isolation region buried into the semiconductor substrate is shallower than the portion buried into the semiconductor substrate of the first isolation region, and the height of the upper face of the second isolation region is equal to that of the first isolation region. A method of producing the solid-state imaging device and an electronic device provided with the solid-state imaging devices are also disclosed.
摘要:
A solid-state image device is provided which includes: a photoelectric conversion portion which obtains a signal charge by photoelectric conversion of incident light; a pixel transistor portion which outputs a signal charge generated by the photoelectric conversion portion; a peripheral circuit portion which is provided at the periphery of a pixel portion including the photoelectric conversion portion and the pixel transistor portion and which has an NMOS transistor and a PMOS transistor; a first stress liner film which has a compressive stress and which is provided on the PMOS transistor; and a second stress liner film which has a tensile stress and which is provided on the NMOS transistor. In the solid-state image device described above, the photoelectric conversion portion, the pixel transistor portion, and the peripheral circuit portion are provided in and/or on a semiconductor substrate.
摘要:
A method for making a semiconductor device including: element isolation regions formed in a state of being buried in a semiconductor substrate such that an element formation region of the semiconductor substrate is interposed between the element isolation regions; a gate electrode formed on the element formation region with an gate insulating film interposed between the gate electrode and the element formation region, the gate electrode being formed so as to cross the element formation region; and source-drain regions formed in the element formation region on both sides of the gate electrode, wherein a channel region made of the element formation region under the gate electrode is formed so as to project from the element isolation regions, and the source-drain regions are formed to a position deeper than surfaces of the element isolation regions.
摘要:
A solid-state imaging device includes, in a semiconductor substrate, a pixel portion provided with a photoelectric conversion portion, which photoelectrically converts incident light to obtain an electric signal and a peripheral circuit portion disposed on the periphery of the pixel portion, wherein a gate insulating film of a MOS transistor in the peripheral circuit portion is composed of a silicon oxynitride film, a gate insulating film of a MOS transistor in the pixel portion is composed of a silicon oxynitride film, and an oxide film is disposed just above the photoelectric conversion portion in the pixel portion.