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    • 2. 发明授权
    • Paper feeding device
    • 送纸装置
    • US5207415A
    • 1993-05-04
    • US640078
    • 1991-01-11
    • Junichi YamamotoIwao FujiiYutaka Maeda
    • Junichi YamamotoIwao FujiiYutaka Maeda
    • B65H3/08
    • B65H3/0833
    • A paper feeding device which extracts from a cassette accommodating a stack of sheets such sheets one at a time and feeds them to the next step, namely an image forming part, comprises an attracting member capable of being moved between an attracting position at which the attracting member attracts a sheet from within the cassette and a feeding position which lies above the attracting position, a pressing roller capable of being moved between a position of retraction and the feeding position, and a rotary roller capable of cooperating with the pressing roller in nipping the sheet at the feeding position. The pressing roller moves to the feeding position after the elapse of a prescribed time following the completion of the motion of the sheet by the attracting member to the feeding position. The rotary roller is rotatably set in place at the feeding position. The rotary roller may be attached to the attracting member in such a manner as to be moved vertically in both directions in conjunction with the attracting member. When the leading end of the sheet being conveyed by the attracting member from the attracting position to the feeding position comes into contact with the pressing roller held at the position of retraction, the pressing roller acts upon the sheet in the direction of returning the sheet to the cassette.
    • 一种供纸装置,其从一个容纳一叠纸张的纸盒一次提取并将其供给到下一步骤,即图像形成部分,其包括吸引构件,该吸引构件能够在吸引位置之间移动, 构件从盒内吸引片材,位于吸引位置上方的供给位置,能够在缩回位置与供给位置之间移动的加压辊和能够与加压辊配合的旋转辊, 在进纸位置。 在通过吸引构件将片材的运动完成到规定时间之后,按压辊移动到进给位置到进给位置。 旋转辊可旋转地设置在进给位置的适当位置。 旋转辊可以以与吸引构件一起在两个方向上垂直移动的方式附接到吸引构件。 当将吸引构件从吸引位置输送到供给位置的片材的前端与保持在缩回位置的按压辊接触时,按压辊将纸张返回到纸张的方向 盒式磁带。
    • 3. 发明授权
    • Thermal printer provided with detachable head unit having built-in
thermal head unit
    • 热敏打印机具有内置热敏头单元的可拆卸头部单元
    • US5248207A
    • 1993-09-28
    • US750117
    • 1991-08-26
    • Junichi YamamotoYutaka Maeda
    • Junichi YamamotoYutaka Maeda
    • B41J17/32B41J25/34B41J29/02
    • B41J17/32B41J25/34B41J29/023B41J29/026
    • A thermal printer has detachably attached to a frame assembly of a printer a print unit having a built-in thermal head. The print unit accommodates therein an inked ribbon. By a drive member installed within the frame assembly, the thermal head is pressed against the platen roller and consequently driven thereby. The print unit is provided with a unit case and a cover allowed to be opened or shut relative to the unit case. The inked ribbon can be attached to or detached from the interior of the unit case. The unit is capable of incorporating the platen roller therein. In this case, the opening of the cover induces formation of an opening between the platen roller and the thermal head. The unit incorporating the platen roller therein is not required to be provided in the frame assembly thereof with the drive member which would cause the thermal head to be pressed against the platen roller by virtue of a spring member and and consequently induce a displacement of the thermal head. The use of a roll of thermosensitive recording paper in the unit obviates the necessity for the inked ribbon.
    • 热敏打印机可拆卸地连接到具有内置热敏头的打印机的打印单元的框架组件。 打印单元容纳着墨带。 通过安装在框架组件内的驱动构件,热头被压靠在压纸辊上,从而由此驱动。 打印单元设置有单元壳体和允许相对于单元壳体打开或关闭的盖子。 着墨带可以附接到单元外壳的内部或从其拆卸。 该单元能够将压板辊并入其中。 在这种情况下,盖的开口在压辊和热敏头之间形成开口。 在其中将压纸辊组合在一起的单元不需要在其框架组件中与驱动构件一起提供,驱动构件将通过弹簧构件将热头压靠在压纸辊上,并且因此导致热量的移位 头。 在该单元中使用一卷热敏记录纸消除了墨带的必要性。
    • 6. 发明申请
    • Solid-state image sensing device and method for manufacturing the same
    • 固体摄像装置及其制造方法
    • US20060022230A1
    • 2006-02-02
    • US11155643
    • 2005-06-20
    • Junichi YamamotoYasutaka Nakashiba
    • Junichi YamamotoYasutaka Nakashiba
    • H01L21/00H01L31/062
    • H01L27/14689H01L27/14634H01L27/14806
    • In the solid-state image sensing device, a first N type semiconductor region and an N well of a PMOS region are formed in the same process, thereby making the first N type semiconductor region and the N well in the PMOS region substantially equal in N type impurity concentration-depth profile. By forming the first N type semiconductor region and the N well in the same process, the number of manufacturing process for the solid-state image sensing device can be decreased. It is, therefore, possible to suppress excessive application of heat history to the solid-state image sensing device during ion implantation and diffusion of N type impurity. Accordingly, by suppressing excessive diffusion of impurity and the like resulting from the excessive application of the heat history to the solid-state image sensing device, yield of the solid-state image sensing device can be improved.
    • 在固态摄像装置中,以相同的工序形成PMOS区域的第一N型半导体区域和N阱,由此使PMOS区域中的第一N型半导体区域和N阱在N上基本相等 型杂质浓度 - 深度剖面。 通过在相同的工艺中形成第一N型半导体区域和N阱,可以减少固态图像感测装置的制造工艺的数量。 因此,可以在N型杂质的离子注入和扩散期间抑制对固态摄像装置的过热应用。 因此,通过抑制由于过度地将热历史应用于固体摄像装置而导致的杂质等的过度扩散,能够提高固体摄像装置的产量。
    • 7. 发明授权
    • Electric closing gear
    • 电动关闭装置
    • US06843647B2
    • 2005-01-18
    • US10239846
    • 2002-02-04
    • Saburo FujitaJunichi YamamotoTosimichi Sugita
    • Saburo FujitaJunichi YamamotoTosimichi Sugita
    • B29C45/17B29C45/66B29C45/68B29C45/64
    • B29C45/68B29C45/1761B29C2045/1788B29C2045/1792B29C2045/688
    • A mechanism for advancing and retreating a movable die plate toward and from a fixed die plate includes a moving base in which the upper surface thereof is connected integrally with the movable die plate and a slide unit is installed on the lower surface thereof. A pair of track rails are provided on the base and form a linear guide by engaging with the slide unit. A ball screw shaft is supported in parallel with the track rails by a bearing provided on the base and has an axial direction restrained rotatably. A servomotor drives the ball screw shaft and a ball screw nut is installed on the lower surface of the moving base to threadedly engage with the ball screw shaft, and the ball screw shaft and the ball screw nut are provided at an arbitrary position between the paired track rails for linear guidance.
    • 用于使活动模板向固定模板前后移动的机构包括:移动基座,其上表面与可动模板一体连接,滑动单元安装在其下表面。 一对轨道设置在基座上并通过与滑动单元接合而形成线性导轨。 滚珠丝杠轴通过设置在基座上的轴承与轨道轨道平行地支撑,并且具有可旋转地限制的轴向方向。 伺服电机驱动滚珠丝杠轴,滚珠丝杠螺母安装在移动基座的下表面上,与滚珠丝杠轴螺纹接合,滚珠丝杠轴和滚珠丝杠螺母位于配对之间的任意位置 轨道用于线性引导。
    • 8. 发明授权
    • Switching power supply unit with series connected converter circuits
    • 开关电源单元与串联转换器电路
    • US06650552B2
    • 2003-11-18
    • US10152788
    • 2002-05-23
    • Masakazu TakagiJunichi YamamotoKatsuhiko ShimizuToshiyuki Zaitsu
    • Masakazu TakagiJunichi YamamotoKatsuhiko ShimizuToshiyuki Zaitsu
    • H02M3335
    • H02M3/33592Y02B70/1475
    • A switching power supply unit of the present invention a timing generating circuit (121) which receives a first control signal formed by a rectifier-transistor driving circuit (104), forms a second control signal based on the first control signal, and supplies the second control signal to a control electrode of the rectifier transistor (113). The first control signal is synchronized with the switching operation of a half-bridge circuit (102), and the second control signal exceeds a threshold voltage of a rectifier transistor (113) at a timing substantially equal to the timing that one edge of the first control signal is generated and falls below the threshold voltage of the rectifier transistor (113) at a timing earlier by predetermined time than the timing that the other edge of the first control signal is generated.
    • 本发明的开关电源单元接收由整流晶体管驱动电路(104)形成的第一控制信号的定时发生电路(121),基于第一控制信号形成第二控制信号,并将第二控制信号 控制信号到整流器晶体管(113)的控制电极。第一控制信号与半桥电路(102)的开关操作同步,并且第二控制信号超过整流器晶体管(113)的阈值电压, 在与第一控制信号的一个边沿产生并且在比第一控制信号的另一个边沿的定时更早预定时间的时间点下降到整流器晶体管(113)的阈值电压的定时的时间上, 被生成。
    • 9. 发明授权
    • Epitaxial wafer for infrared light-emitting device and light-emitting device using the same
    • 用于红外发光装置的外延晶片和使用其的发光装置
    • US06388274B1
    • 2002-05-14
    • US09594735
    • 2000-06-16
    • Atsushi YoshinagaJunichi YamamotoAkihiro Kitazaki
    • Atsushi YoshinagaJunichi YamamotoAkihiro Kitazaki
    • H01L2715
    • H01L33/30H01L33/0079H01L33/305
    • The present invention provides an epitaxial wafer which is obtained by sequentially forming, on an n-type GaAs substrate, a first n-type GaAlAs layer; a second n-type GaAlAs layer; an n-type GaAlAs cladding layer; a p-type GaAlAs active layer which has an emission wavelength of 850-900 nm; and a p-type GaAlAs cladding layer, through liquid phase epitaxy, and, subsequently, removing the n-type GaAs substrate. In the epitaxial wafer, the p-type GaAlAs cladding layer has a thickness of 5-30 &mgr;m; the p-type GaAlAs cladding layer has an oxygen concentration of 3×1016 atoms/cm3 or less; the p-type GaAlAs cladding layer has a carrier concentration of 1×1017 cm−3 to 1×1018 cm−3; the p-type GaAlAs active layer has a thickness of 0.05-0.4 &mgr;m; the peak carbon concentration of the portion in the second n-type GaAlAs layer within 2 &mgr;m of the interface between the second n-type GaAlAs layer and the first n-type GaAlAs layer is less than 1×1017 atoms/cm3; the p-type GaAlAs active layer contains germanium as a predominant dopant; the n-type GaAlAs cladding layer has a Ge concentration of 3×1016 atoms/cm3 or less; and the second n-type GaAlAs layer has a Ge concentration of 3×1016 atoms/cm3 or less. The invention provides an epitaxial wafer of double-hetero structure for producing high-intensity GaAlAs infrared LEDs.
    • 本发明提供了通过在n型GaAs衬底上依次形成第一n型GaAlAs层而获得的外延晶片; 第二n型GaAlAs层; n型GaAlAs覆层; 具有发射波长850-900nm的p型GaAlAs有源层; 和p型GaAlAs覆层,通过液相外延,随后除去n型GaAs衬底。 在外延晶片中,p型GaAlAs覆层的厚度为5-30μm; p型GaAlAs包层的氧浓度为3×1016原子/ cm3以下; p型GaAlAs覆层的载流子浓度为1×10 17 cm -3至1×10 18 cm -3; p型GaAlAs活性层的厚度为0.05-0.4μm; 在第二n型GaAlAs层和第一n型GaAlAs层之间的界面的2μm内的第二n型GaAlAs层中的部分的峰值碳浓度小于1×10 17原子/ cm 3; p型GaAlAs活性层含有锗作为主要掺杂剂; n型GaAlAs覆盖层的Ge浓度为3×1016原子/ cm3以下, 第二n型GaAlAs层的Ge浓度为3×1016原子/ cm3以下。 本发明提供了一种用于生产高强度GaAlAs红外LED的双异质结构的外延晶片。
    • 10. 发明授权
    • Epitaxial wafer for infrared light-emitting device and light-emitting device using the same
    • 用于红外发光装置的外延晶片和使用其的发光装置
    • US06348703B1
    • 2002-02-19
    • US09559263
    • 2000-04-27
    • Atsushi YoshinagaJunichi Yamamoto
    • Atsushi YoshinagaJunichi Yamamoto
    • H01L31072
    • H01L33/30H01L33/305Y10S438/93
    • The present invention provides an epitaxial wafer comprising, on a p-type GaAs single-crystal substrate, a first p-type layer; a p-type cladding layer; a p-type active layer; and an n-type cladding layer, wherein the n-type cladding layer has a carrier concentration of 1×1017 to 1×1018 cm−3; a sulfur concentration of 3×1016 atoms/cm3 or less; and a thickness of 20-50 &mgr;m. The maximum silicon concentration in the portion of the p-type cladding layer within 2 &mgr;m of the interface between the p-type cladding layer and the first p-type layer is less than 1×1018 atoms/cm3; the concentration of carbon, sulfur, or oxygen in the first p-type layer is less than 1×1017 atoms/cm3; the p-type cladding layer has a thickness of 50-80 &mgr;m; the first p-type layer has a carrier concentration of 3×1017 to 1×1018 cm−3; and the n-type cladding layer contains germanium at a concentration of 3×1018 cm−3 or less. Thus, there can be produced an epitaxial wafer for fabricating an infrared LED exhibiting high emitted-light intensity with small variation.
    • 本发明提供一种外延晶片,其在p型GaAs单晶衬底上包括第一p型层; p型覆层; p型活性层; n型包覆层,其中,所述n型包覆层的载流子浓度为1×10 17〜1×10 18 cm -3; 3×1016原子/ cm3以下的硫浓度; 厚度为20-50μm。 p型包覆层和第一p型层之间的界面的2μm内的p型包层的部分中的最大硅浓度小于1×1018原子/ cm3; 第一p型层中的碳,硫或氧的浓度小于1×10 17 atoms / cm 3; p型覆层的厚度为50〜80μm; 第一p型层的载流子浓度为3×10 17〜1×10 18 cm -3; n型包覆层含有浓度为3×10 18 cm -3以下的锗。 因此,可以制造用于制造具有较小变化的高发射光强度的红外LED的外延晶片。