Optoelectro transducer array, and light-emitting device array and
fabrication process thereof
    1.
    发明授权
    Optoelectro transducer array, and light-emitting device array and fabrication process thereof 失效
    光电转换器阵列,发光元件阵列及其制造方法

    公开(公告)号:US5990494A

    公开(公告)日:1999-11-23

    申请号:US827358

    申请日:1997-03-27

    CPC分类号: B41J2/45

    摘要: Described is an optical equipment using a semiconductor light emitting device array which has light emitting points formed thereon at a high density and has highly reliability. The optical equipment according to the present invention features that it is equipped with a light emitting device array on which light emitting points LP have been arranged two-dimensionally, focusing means for focusing the light from the light emitting points, photo-detecting means which is disposed at the position where the light focused through the focusing means forms image formation points, and transferring means for transferring the image formation points relative to the photo-detecting means; said light-emitting device array being composed of a plurality of semiconductor chips and adjacent end surfaces of two semiconductor chips being bonded each other so as to have an inclination against the transferring direction.

    摘要翻译: 描述了使用其中以高密度形成有发光点并具有高度可靠性的半导体发光器件阵列的光学设备。 根据本发明的光学设备的特征在于,它配备有发光器件阵列,发光点LP已经二维排列在其上,聚焦装置用于聚焦来自发光点的光,光检测装置是 设置在通过聚焦装置聚焦的光形成图像形成点的位置,以及用于相对于光检测装置传送图像形成点的传送装置; 所述发光器件阵列由多个半导体芯片组成,并且两个半导体芯片的相邻端面彼此接合以具有相对于传输方向的倾斜。

    Image recording apparatus with an array light source
    3.
    发明授权
    Image recording apparatus with an array light source 失效
    具有阵列光源的图像记录装置

    公开(公告)号:US5963242A

    公开(公告)日:1999-10-05

    申请号:US739220

    申请日:1996-10-29

    CPC分类号: B41J2/45

    摘要: An image recording apparatus has an array light source having a plurality of light-emitting elements arrayed in a predetermined density; a photosensitive member exposed to light beams emitted from the plural light-emitting elements so that images are recorded by fixing a traveling path of the light beams from the plural light-emitting elements to the photosensitive member and by moving the photosensitive member relative to the array light source; a beam-converging unit which intercrosses a bundle of the light beams emitted from the light-emitting elements onto a beam-conversion point; and an focusing unit disposed between the beam-converging unit and the photosensitive member, which images the light beams emitted from the plural of light-emitting elements and intercrossed by the beam-converging unit onto the photosensitive member.

    摘要翻译: 一种图像记录装置,具有排列成规定密度的多个发光元件的阵列光源; 一个感光元件暴露于从多个发光元件发射的光束上,使得通过将来自多个发光元件的光束的行进路径固定在感光元件上并通过使感光元件相对于阵列移动来记录图像 光源; 光束会聚单元,其将从发光元件发射的光束交叉到光束转换点; 以及设置在所述光束会聚单元和所述感光构件之间的聚焦单元,其对从所述多个发光元件发射的光束进行成像,并且通过所述光束会聚单元与所述感光构件交叉。

    Semiconductor laser array driving method, semiconductor laser array
driving device and image forming apparatus
    4.
    发明授权
    Semiconductor laser array driving method, semiconductor laser array driving device and image forming apparatus 失效
    半导体激光阵列驱动方法,半导体激光阵列驱动装置和图像形成装置

    公开(公告)号:US5809052A

    公开(公告)日:1998-09-15

    申请号:US731750

    申请日:1996-10-18

    IPC分类号: H01S5/062 H01S5/40 H01S3/08

    摘要: A semiconductor laser array driving method for driving a semiconductor laser array having a plurality of light-emitting points arranged on a base member. The semiconductor laser array driving method has a step of driving the plurality of light-emitting points by a driving pulse current of a pulse width and a duty factor meeting an inequality: .DELTA.T.sub.1 /.DELTA.T.sub.0

    摘要翻译: 一种用于驱动具有布置在基底构件上的多个发光点的半导体激光器阵列的半导体激光阵列驱动方法。 半导体激光阵列驱动方法具有通过满足不等式的脉冲宽度和占空比的驱动脉冲电流来驱动多个发光点的步骤:DELTA T1 / DELTA T0 <+ E,fra 1/2 + EE 其中,当使用连续电流以连续驱动模式驱动半导体激光器阵列时,DELTA T0是发光点的有源层中的温度升高,并且DELTA T1是发光的有源层中的温度升高 当使用脉冲电流以脉冲驱动模式驱动半导体激光器阵列时的点。 在半导体激光器阵列驱动方法中,多个发光点由占空比为0.4以下的驱动脉冲电流驱动,满足不等式:y <3.1exp(-8.9x),其中x是占空系数 y是脉冲宽度(mu s)。

    Semiconductor laser device
    5.
    发明授权
    Semiconductor laser device 失效
    半导体激光器件

    公开(公告)号:US5588016A

    公开(公告)日:1996-12-24

    申请号:US523389

    申请日:1995-09-05

    摘要: A semiconductor laser device in which semiconductor layers of an n-type cladding layer, a quantum well active layer 106, a p-type cladding layer, and an intermediate layer are formed on an n-type GaAs substrate in successive order, and a mixed-crystal is formed in a region except the semiconductor layers of the contact layer and the lower part of the contact layer by diffusing Si into the structure from above the intermediate layer, characterized in that the contact layer and the intermediate layer are made of n-type or nonconductive semiconductor material, and a p-type low-resistance region, formed by diffusing Zn into the structure from above the contact layer, is profiled so as not to overlap with the mixed-crystal region formed by Si diffusion.

    摘要翻译: 在n型GaAs衬底上依次形成有n型包覆层,量子阱有源层106,p型覆层,中间层的半导体层的半导体激光器件,混合 通过从中间层的上方将Si扩散到结构体中,在接触层的半导体层和接触层的下部之间的区域中形成晶体,其特征在于,接触层和中间层由n- 型或非导电半导体材料,以及通过从接触层上方将Zn扩散到结构中形成的p型低电阻区域,以与Si扩散形成的混合晶体区域不重叠。

    Method of making a semiconductor laser device
    6.
    发明授权
    Method of making a semiconductor laser device 失效
    制造半导体激光器件的方法

    公开(公告)号:US5648295A

    公开(公告)日:1997-07-15

    申请号:US687938

    申请日:1996-07-29

    摘要: A semiconductor laser device in which semiconductor layers of an n-type cladding layer, a quantum well active layer 106, a p-type cladding layer, and an intermediate layer are formed on an n-type GaAs substrate in successive order, and a mixed-crystal is formed in a region except the semiconductor layers of the contact layer and the lower part of the contact layer by diffusing Si into the structure from above the intermediate layer, characterized in that the contact layer and the intermediate layer are made of n-type or nonconductive semiconductor material, and a p-type low-resistance region, formed by diffusing Zn into the structure from above the contact layer, is profiled so as not to overlap with the mixed-crystal region formed by Si diffusion.

    摘要翻译: 在n型GaAs衬底上依次形成有n型包覆层,量子阱有源层106,p型覆层,中间层的半导体层的半导体激光器件,混合 通过从中间层的上方将Si扩散到结构体中,在接触层的半导体层和接触层的下部之间的区域中形成晶体,其特征在于,接触层和中间层由n- 型或非导电半导体材料,以及通过从接触层上方将Zn扩散到结构中形成的p型低电阻区域,以与Si扩散形成的混合晶体区域不重叠。

    Semiconductor laser device and driving method for the same as well as
tracking servo system employing the same
    7.
    发明授权
    Semiconductor laser device and driving method for the same as well as tracking servo system employing the same 失效
    半导体激光器件及其驱动方法以及使用其的跟踪伺服系统

    公开(公告)号:US5533042A

    公开(公告)日:1996-07-02

    申请号:US317594

    申请日:1994-10-03

    摘要: A semiconductor laser device which allows high speed correction of the position of a laser spot on an optical disk is disclosed. The semiconductor laser device comprises an active layer which oscillates a laser beam when electric current is supplied thereto, and a plurality of independent electrodes for varying the current density distribution in the active layer to vary the intensity distribution of the laser beam to be emitted from an emergent face of the semiconductor laser device. With the semiconductor laser device, by supplying electric currents individually from the plurality of independent electrodes to vary the current density distribution in the active layer, the beam spot position can be corrected within the frequency bandwidth of several tens MHz by direct modulation of the semiconductor laser device. Also a driving method for the semiconductor laser device and a tracking servo system in which the semiconductor laser device is incorporated are disclosed.

    摘要翻译: 公开了一种允许高速校正光盘上的激光点位置的半导体激光器件。 半导体激光器件包括在向其提供电流时使激光束振荡的有源层,以及用于改变有源层中的电流密度分布的多个独立电极,以改变激光束的发射强度分布 半导体激光装置的紧急面。 利用半导体激光装置,通过从多个独立电极分别供给电流来改变有源层中的电流密度分布,可以通过半导体激光器的直接调制在数十MHz的频带内修正光束位置 设备。 还公开了半导体激光器件的驱动方法和其中结合半导体激光器件的跟踪伺服系统。

    Flat detector and medium detector
    8.
    发明授权
    Flat detector and medium detector 有权
    平板检测器和介质检测器

    公开(公告)号:US07888615B2

    公开(公告)日:2011-02-15

    申请号:US12434163

    申请日:2009-05-01

    IPC分类号: B07C5/344

    CPC分类号: G01N27/725

    摘要: A flat detector includes a first flat member and a second flat member both made of a nonmagnetic nonmetal, a first conductive wiring that generates an alternating magnetic field, the first conductive wiring being disposed on a surface of the first flat member facing toward the second flat member, a first layer made of a nonmagnetic metal and disposed at least on a surface of the first flat member, a second conductive wiring that detects a signal generated by magnetization reversal of a magnetic material, the magnetization reversal being caused by the alternating magnetic field generated by the first conductive wiring, the second conductive wiring being disposed on a surface of the second flat member facing toward the first flat member, and a second layer made of a nonmagnetic metal and disposed at least on a surface of the second flat member.

    摘要翻译: 平板检测器包括由非磁性非金属制成的第一平坦构件和第二平坦构件,产生交变磁场的第一导电布线,第一导电布线设置在面向第二平面的第一平坦构件的表面上 构件,由非磁性金属制成的第一层并且至少设置在所述第一平坦构件的表面上;第二导电布线,其检测由磁性材料的磁化反转产生的信号,所述磁化反转是由交变磁场引起的 由所述第一导电布线产生,所述第二导电布线设置在所述第二平坦构件的面向所述第一平坦构件的表面上,所述第二层由非磁性金属制成并且至少设置在所述第二平坦构件的表面上。