High resolution, high efficiency I.R. LED printing array and fabrication
method
    1.
    发明授权
    High resolution, high efficiency I.R. LED printing array and fabrication method 失效
    高分辨率,高效率I.R. LED打印阵列及制作方法

    公开(公告)号:US4707716A

    公开(公告)日:1987-11-17

    申请号:US895983

    申请日:1986-08-14

    申请人: Joseph J. Daniele

    发明人: Joseph J. Daniele

    IPC分类号: H01L27/15 H01L33/00

    摘要: An IR LED array and method of fabrication having a GaAs wafer with one surface metallized to form a common LED contact. Epitaxially formed on this wafer is a GaAs/GaAlAs heterostructure with successive layers of Ga.sub.1-x Al.sub.x As-n, GaAs-p, and Ga.sub.1-y Al.sub.y As-p on the other surface, followed by an electrical contact layer of GaAs-p+ and an insulating layer of SiO.sub.2, discrete areas of the contact and insulating layers being removed by etching to form viewing windows for the individual LEDs, and with the area of the contact layer bordering the viewing windows being exposed and metallized to provide individual LED electrical contacts. In a second embodiment, the GaAs-p+ layer is dispensed with and the transparent electrically conducting coating is applied directly on both the insulating layer bordering the Ga.sub.1-y Al.sub.y As viewing windows and over the viewing windows. In a third embodiment, an edge emitting LED variant is provided and in a fourth embodiment, various light barrier designs are proposed for preventing optical crosstalk between the individual LEDs.

    摘要翻译: 一种IR LED阵列和制造方法,其具有一个表面金属化以形成公共LED触点的GaAs晶片。 在该晶片上外延形成GaAs / GaAlAs异质结构,其另一表面具有Ga1-xAlx As-n,GaAs-p和Ga1-yAlyAs-p的连续层,随后是GaAs-p +和 SiO 2的绝缘层,通过蚀刻去除接触和绝缘层的离散区域以形成用于各个LED的观察窗,并且接触层的接触层的区域被暴露和金属化以提供单独的LED电触点。 在第二实施例中,省略了GaAs-p +层,并且将透明导电涂层直接施加在与Ga1-yAlyAs观察窗边界并且在观察窗上的绝缘层上。 在第三实施例中,提供了边缘发射LED变体,并且在第四实施例中,提出了各种光阻设计来防止各个LED之间的光串扰。

    Read/write bar for multi-mode reproduction machine
    2.
    发明授权
    Read/write bar for multi-mode reproduction machine 失效
    多模式复制机的读/写条

    公开(公告)号:US4424524A

    公开(公告)日:1984-01-03

    申请号:US394758

    申请日:1982-07-02

    申请人: Joseph J. Daniele

    发明人: Joseph J. Daniele

    摘要: A multi-mode reproduction machine or copier incorporating a full width read/write bar having at least one linear array of LEDs for selectively scanning a document original in a read mode or exposing the copier photoreceptor in a write mode. An array of lens elements is provided for focusing the LED array on both the document original and the photoreceptor, the read/write bar and lens array being combined in a unitary structure selectively movable between read and write positions. In an alternate embodiment the read/write bar and lens array is disposed in a fixed position to permit selective reading of the image developed on the photoreceptor or writing of images onto the photoreceptor.

    摘要翻译: 一种多模式再现机器或复印机,其包括具有至少一个LED阵列的全宽读/写条,用于以读取模式选择性地扫描原稿,或以写入模式曝光复印机感光体。 提供了一组透镜元件,用于将LED阵列聚焦在文件原稿和感光体上,读/写条和透镜阵列组合成可在读取和写入位置之间选择性移动的整体结构。 在替代实施例中,读/写条和透镜阵列设置在固定位置,以允许选择性地读取在感光体上显影的图像或将图像写入感光体。

    High resolution, high efficiency I.R. LED printing array fabrication
method
    3.
    发明授权
    High resolution, high efficiency I.R. LED printing array fabrication method 失效
    高分辨率,高效率I.R. LED打印阵列制作方法

    公开(公告)号:US4639999A

    公开(公告)日:1987-02-03

    申请号:US667706

    申请日:1984-11-02

    申请人: Joseph J. Daniele

    发明人: Joseph J. Daniele

    IPC分类号: H01L27/15 H01L33/00 H01L7/36

    摘要: An IR LED array and method of fabrication having a GaAs wafer with one surface metallized to form a common LED contact. Epitaxially formed on this wafer is a GaAs/GaAlAs heterostructure with successive layers of Ga.sub.1-x Al.sub.x As-n, GaAs-p, and Ga.sub.1-y Al.sub.y As-p on the other surface, followed by an electrical contact layer of GaAs-p+ and an insulating layer of SiO.sub.2, discrete areas of the contact and insulating layers being removed by etching to form viewing windows for the individual LEDs, and with the area of the contact layer bordering the viewing windows being exposed and metallized to provide individual LED electrical contacts.In a second embodiment, the GaAs-p+ layer is dispensed with and the transparent electrically conducting coating is applied directly on both the insulating layer bordering the Ga.sub.1-y Al.sub.y As viewing windows and over the viewing windows. In a third embodiment, and edge emitting LED variant is provided and in a fourth embodiment, various light barrier designs are proposed for preventing optical crosstalk between the individual LEDs.

    摘要翻译: 一种IR LED阵列和制造方法,其具有一个表面金属化以形成公共LED触点的GaAs晶片。 在该晶片上外延形成GaAs / GaAlAs异质结构,其另一表面具有Ga1-xAlx As-n,GaAs-p和Ga1-yAlyAs-p的连续层,随后是GaAs-p +和 SiO 2的绝缘层,通过蚀刻去除接触和绝缘层的离散区域以形成用于各个LED的观察窗,并且接触层的接触层的区域被暴露和金属化以提供单独的LED电触点。 在第二实施例中,省略了GaAs-p +层,并且将透明导电涂层直接施加在与Ga1-yAlyAs观察窗边界并且在观察窗上的绝缘层上。 在第三实施例中,提供了边缘发射LED变体,并且在第四实施例中,提出了各种光阻设计来防止各个LED之间的光串扰。

    Method of fabricating electro-mechanical modulator arrays
    5.
    发明授权
    Method of fabricating electro-mechanical modulator arrays 失效
    制造机电调制器阵列的方法

    公开(公告)号:US4624741A

    公开(公告)日:1986-11-25

    申请号:US808798

    申请日:1985-12-13

    申请人: Joseph J. Daniele

    发明人: Joseph J. Daniele

    CPC分类号: H01L21/78 H01L21/30608

    摘要: Method of forming small electro-mechanical modulator chips each with a row of flexible light reflecting fingers which may be butted with other like chips to form a full width electro-mechanical array by forming a silicon dioxide layer on a silicon wafer, forming a conductive layer on the silicon dioxide layer, etching away the conductive layer except for discrete rows of fingers, etching the silicon dioxide layer to create a mask delineating a well below the fingers and line openings in the silicon dioxide at the points where the wafer is to be separated into chips, etching the wafer to open the well and form V-shaped grooves along the openings, cutting a groove in the other side of the wafer along a centerline parallel to, but offset from the centerline of each V-shaped shaped groove by an amount sufficient to allow the wafer (111) crystalline plane to extend from the V-shaped groove to the cut groove, and applying a downward force to the wafer to fracture the wafer along along the (111) plane and separate the wafer into chips.

    摘要翻译: 形成小型机电调制器芯片的方法,每个小型机电调制器芯片都具有一排柔性光反射指状物,其可以与其它类似芯片对接以通过在硅晶片上形成二氧化硅层形成全宽度机电阵列,形成导电层 在二氧化硅层上除去除了离散行指状物之外的导电层,蚀刻掉二氧化硅层,以在晶片被分离的点处形成在二氧化硅中的指状物和线路开口下面描绘阱的掩模 切割成芯片,蚀刻晶片以打开阱并沿着开口形成V形槽,沿着平行于每个V形槽的中心线但从每个V形槽的中心线偏离的中心线切割晶片另一侧的槽 足以允许晶片(111)晶面从V形槽延伸到切割槽,并向晶片施加向下的力以沿着(1 11)平面并将晶片分离成芯片。

    Apparatus and method for detecting and eliminating diode laser mode
hopping
    6.
    发明授权
    Apparatus and method for detecting and eliminating diode laser mode hopping 失效
    用于检测和消除二极管激光模式跳变的装置和方法

    公开(公告)号:US4733253A

    公开(公告)日:1988-03-22

    申请号:US882123

    申请日:1986-07-03

    申请人: Joseph J. Daniele

    发明人: Joseph J. Daniele

    摘要: A printer having holographic scanning disc for scanning the imaging beam from a laser diode across a recording member, with a detector for detecting a shift in wavelength of the diode utilizing the zero order beam passing through the holographic scanning disc and a temperature control for controlling diode temperatures, the detector actuating the temperature control to adjust the temperature of the diode when a shift in the wavelength of the zero order beam from a non-mode hop wavelength to another wavelength is detected, adjustment of the diode temperature shifting the beam wavelength back toward the non-mode hop wavelength region.

    摘要翻译: 一种具有全息扫描盘的打印机,用于通过记录部件扫描来自激光二极管的成像光束,具有用于利用通过全息扫描盘的零级光束来检测二极管的波长偏移的检测器,以及用于控制二极管的温度控制 温度时,检测器致动温度控制以调节二极管的温度,当零阶波长的波长从非模式跳波长移动到另一波长时,二极管温度的调整将波束波长向后 非模式跳波长区域。

    Microdeflector probe for electrostatic voltmeters
    7.
    发明授权
    Microdeflector probe for electrostatic voltmeters 失效
    用于静电电压表的微型偏转器探头

    公开(公告)号:US4614908A

    公开(公告)日:1986-09-30

    申请号:US600061

    申请日:1984-04-13

    摘要: An electrostatic voltmeter with a microdeflector probe having a base, a flexible finger supported on the base in cantilever fashion, the finger deflecting in response to a potential difference thereacross, separate driven and variable capacitance electrodes on the finger sensing the charge voltage on the surface to be measured, the pickup electrode being electrically coupled to the driven electrode, the resulting charge voltage on the driven electrode changing finger deflection and altering the capacitive relationship between the base and the variable capacitance electrode; a predetermined reference voltage on the base; and a circuit for converting the change in capacitance between the base and the variable capacitance electrode to a signal representing the voltage on the surface. In an alternate embodiment, a second microdeflector is provided which changes capacitance between base and variable capacitance electrode in response to noise, and a control for adjusting the signal in response to the noise signal.

    摘要翻译: 一种具有微型偏转器探头的静电电压表,其具有基部,以悬臂方式支撑在基座上的柔性指状物,手指响应于其上的电位差而偏转,在手指上分离驱动和可变电容电极,感测表面上的充电电压, 被测电极与被驱动电极电耦合,从而驱动电极上的充电电压改变手指的偏转并改变基极与可变电容电极之间的电容关系; 在基座上的预定参考电压; 以及用于将基极和可变电容电极之间的电容变化转换为表示表面上的电压的信号的电路。 在替代实施例中,提供了响应于噪声改变基极和可变电容电极之间的电容的第二微型偏转器,以及响应于噪声信号调整信号的控制。

    Multi-channel electro-optic printer for printing plural image lines at
once
    8.
    发明授权
    Multi-channel electro-optic printer for printing plural image lines at once 失效
    多通道电光打印机一次打印多条图像线

    公开(公告)号:US4554561A

    公开(公告)日:1985-11-19

    申请号:US484038

    申请日:1983-04-11

    摘要: An electro-optic printer of the type having a laser, a modulator for modulating the laser beam in accordance with image signals; an optical system including a rotating polygon for sweeping the modulated beam across the photosensitive drum of a xerographic system to expose the drum and create images thereon, the modulator having a plurality of separately controlled electrode groups effective to modulate portions of the laser beam in accordance with individual lines of image signals to enable multiple image lines to be exposed at once on the photosensitive drum; and a step drive to synchronously step the photosensitive drum in increments equal to the combined width of the lines being processed.In a first alternate embodiment, the modulator is based on a wave guide, and in a second alternate embodiment, the modulator is composed of a series of flexible reflective fingers.

    摘要翻译: 一种具有激光器的电光打印机,用于根据图像信号调制激光束的调制器; 一种光学系统,包括旋转多边形,用于扫描经过静电复印系统的感光鼓的调制束以暴露滚筒并在其上产生图像,该调制器具有多个单独控制的电极组,其有效地调制激光束的部分, 单独的图像信号线,以使多个图像线能够立即暴露在感光鼓上; 以及阶跃驱动器,以与被处理线的组合宽度相等的增量同步地步进感光鼓。 在第一替代实施例中,调制器基于波导,并且在第二替代实施例中,调制器由一系列柔性反射指状构成。

    Multi-function reproduction apparatus
    9.
    发明授权
    Multi-function reproduction apparatus 失效
    多功能再现装置

    公开(公告)号:US4450458A

    公开(公告)日:1984-05-22

    申请号:US394602

    申请日:1982-07-02

    摘要: A dual mode reproduction machine or copier incorporating a full width read/write bar having at least one linear array of flexible reflectors selectively bendable in response to the application of electrical potentials thereto, the reflectors reflecting imaging rays either onto an imaging member to expose the same or onto a beam stop in response to an image signal input. A second parallel array of photodetector elements permits a document original to be read line by line, and the document image converted to image signals. Light transmission arrays cooperate with the read/write bar to enable exposure of the imaging member or reading of a document original selectively.

    摘要翻译: 一种双模式再现机或复合机,其结合了全宽读/写条,其具有至少一个柔性反射器的线性阵列,其响应于施加电位而选择性地弯曲,反射器将成像光线反射到成像构件上以使其相同 或响应于图像信号输入到光束停止。 光电检测器元件的第二并联阵列允许文档原稿逐行读取,文档图像转换成图像信号。 光传输阵列与读/写条配合使能成像构件的曝光或者选择性地读取原稿。

    Ink jet printhead with ink flow directing valves
    10.
    发明授权
    Ink jet printhead with ink flow directing valves 失效
    具有油墨流动导向阀的喷墨打印头

    公开(公告)号:US5278585A

    公开(公告)日:1994-01-11

    申请号:US889584

    申请日:1992-05-28

    摘要: A thermal ink jet printhead has a flow directing one-way valve for reducing back-flow directed forces generated by the droplet ejecting ink vapor bubbles, so that most of the bubble generated forces are used to eject ink droplets from the printhead nozzles. The one-way valve is provided by patterning the etch resistant mask to form a flap located at a predetermined position along the ink channels between the heating elements and reservoirs, which is activated by bubble generated forces directed in the opposite direction from the printhead nozzles.

    摘要翻译: 热喷墨打印头具有导向单向阀的流动,用于减少由液滴喷射墨水蒸汽气泡产生的回流导向力,使得大部分气泡产生的力用于从打印头喷嘴喷射墨滴。 单向阀通过图案化耐蚀刻掩模来形成位于沿着加热元件和储存器之间的油墨通道的预定位置处的挡板,其由通过与打印头喷嘴相反的方向指向的气泡产生的力而被激活。