PHOTODIODE
    91.
    发明申请
    PHOTODIODE 有权
    光电

    公开(公告)号:US20150069566A1

    公开(公告)日:2015-03-12

    申请号:US14166176

    申请日:2014-01-28

    Abstract: According to one embodiment, a photodiode includes a first semiconductor layer of a first conductivity type, a second semiconductor layer of a second conductivity type, a third semiconductor layer of the first conductivity type, and a film. The second semiconductor layer is provided in the first semiconductor layer. The third semiconductor layer is provided in the first semiconductor layer so as to surround the second semiconductor layer. Each of one ends of the second and third semiconductor layers is located at an upper surface of the first semiconductor layer. The first to third semiconductor layers include first to third impurity concentrations respectively. The second and third impurity concentrations are higher than the first impurity concentration. The film is provided above the third semiconductor layer, and blocks light to enter into a neighborhood of the third semiconductor layer.

    Abstract translation: 根据一个实施例,光电二极管包括第一导电类型的第一半导体层,第二导电类型的第二半导体层,第一导电类型的第三半导体层和膜。 第二半导体层设置在第一半导体层中。 第三半导体层设置在第一半导体层中以围绕第二半导体层。 第二和第三半导体层的一端分别位于第一半导体层的上表面。 第一至第三半导体层分别包括第一至第三杂质浓度。 第二和第三杂质浓度高于第一杂质浓度。 该膜设置在第三半导体层之上,并且阻挡光进入第三半导体层的附近。

    Method for fabricating sensor
    92.
    发明授权
    Method for fabricating sensor 有权
    制造传感器的方法

    公开(公告)号:US08962371B2

    公开(公告)日:2015-02-24

    申请号:US14126490

    申请日:2012-11-21

    CPC classification number: H01L27/14692 H01L27/14687 H01L31/105

    Abstract: A method for fabricating a sensor, comprises: forming, on a base substrate, a pattern of a data line (31), a pattern of a drain electrode (34), a pattern of a source electrode (33), a pattern of a receive electrode (39), a pattern of a photodiode (40) and a pattern of a transparent electrode (41); forming a pattern of an ohmic layer by using a first patterning process; forming a pattern of an active layer by using a second patterning process; forming a pattern of a gate insulating layer by using a third patterning process; and forming a pattern of a gate line (30), a pattern of a gate electrode (38) and a pattern of a bias electrode (42) by using a fourth patterning process. Such a method can reduce the number of mask as well as the production cost and simplifies the production process, thereby significantly improves the production capacity and the defect-free rate.

    Abstract translation: 一种用于制造传感器的方法,包括:在基底基板上形成数据线(31)的图案,漏电极(34)的图案,源电极(33)的图案, 接收电极(39),光电二极管(40)的图案和透明电极(41)的图案。 通过使用第一图案化工艺形成欧姆层的图案; 通过使用第二图案化工艺形成有源层的图案; 通过使用第三图案化工艺形成栅极绝缘层的图案; 以及通过使用第四图案化工艺形成栅极线(30)的图案,栅极(38)的图案和偏置电极(42)的图案。 这种方法可以减少掩模的数量和生产成本,并且简化了生产过程,从而显着提高了生产能力和无缺陷率。

    PIN DIODE STRUCTURE HAVING SURFACE CHARGE SUPPRESSION
    93.
    发明申请
    PIN DIODE STRUCTURE HAVING SURFACE CHARGE SUPPRESSION 有权
    具有表面电荷抑制的PIN二极管结构

    公开(公告)号:US20150035014A1

    公开(公告)日:2015-02-05

    申请号:US13959081

    申请日:2013-08-05

    Abstract: A semiconductor structure having: a silicon structure; and a plurality of laterally spaced PiN diodes formed in the silicon structure; and a surface of the silicon structure configured to reduce reverse bias leakage current through the PiN diodes. In one embodiment, a gate electrode structures is disposed on a surface of the silicon structure, the gate electrode structure having portions disposed between adjacent pairs of the diodes, the gate structure being biased to prevent leakage current through the diodes.

    Abstract translation: 一种半导体结构,具有:硅结构; 以及形成在所述硅结构中的多个横向间隔开的PiN二极管; 并且所述硅结构的表面被配置为减少穿过所述PiN二极管的反向偏置漏电流。 在一个实施例中,栅极电极结构设置在硅结构的表面上,栅极电极结构具有设置在相邻的二极管对之间的部分,栅极结构被偏置以防止通过二极管的漏电流。

    Method for manufacturing optical waveguide receiver and optical waveguide receiver
    94.
    发明授权
    Method for manufacturing optical waveguide receiver and optical waveguide receiver 有权
    光波导接收机和光波导接收机的制造方法

    公开(公告)号:US08946842B2

    公开(公告)日:2015-02-03

    申请号:US14017708

    申请日:2013-09-04

    CPC classification number: H01L31/02325 G02B6/42 H01L31/0232 H01L31/105

    Abstract: A method for manufacturing an optical waveguide receiver includes the steps of growing first and second stacked semiconductor layer sections, the second stacked semiconductor layer section including a core layer and a cladding layer; forming a first mask including first and second portions; etching the first and second stacked semiconductor layer sections by using the first mask, the first and second stacked semiconductor layer sections covered with the first portion being etched in a mesa structure, the second stacked semiconductor layer section covered with the second portion being etched in a terrace-shaped structure; removing the second portion from the first mask with the first portion left; selectively etching the cladding layer until exposing a surface of the core layer; and sequentially forming a first metal layer, an insulating film, and a second metal layer on the core layer exposed in the step of selectively etching the cladding layer.

    Abstract translation: 一种光波导接收机的制造方法,其特征在于,包括生长第1和第2层叠半导体层部的工序,所述第2层叠半导体层部包含芯层和包覆层。 形成包括第一和第二部分的第一掩模; 通过使用第一掩模蚀刻第一和第二层叠半导体层部分,被第一部分覆盖的第一和第二层叠半导体层部分被蚀刻在台面结构中,被第二部分覆盖的第二堆叠半导体层部分被蚀刻在 露台形结构; 从所述第一掩模移除所述第二部分,所述第一部分留下; 选择性地蚀刻包层,直到暴露核心层的表面; 并且在选择性地蚀刻包覆层的步骤中露出的芯层上依次形成第一金属层,绝缘膜和第二金属层。

    Method of manufacturing semiconductor light-receiving element
    95.
    发明授权
    Method of manufacturing semiconductor light-receiving element 有权
    制造半导体光接收元件的方法

    公开(公告)号:US08940573B2

    公开(公告)日:2015-01-27

    申请号:US13838241

    申请日:2013-03-15

    Inventor: Yuji Koyama

    Abstract: A method of manufacturing a semiconductor light-receiving element includes: forming a semiconductor layer structure having a one-conductivity-type semiconductor layer having a first conduction type located on a side of light incidence, an opposite-conductivity-type semiconductor layer having a second conduction type opposite to the first conduction type, and a light-absorbing layer between the one-conductivity-type semiconductor layer and the opposite-conductivity type semiconductor layer, the opposite-conductivity-type semiconductor layer having a structure in which a first semiconductor layer comprised of a binary mixed crystal, a second semiconductor layer comprised of a three-or-more-element mixed crystal, and a third semiconductor layer comprised of a three-or-more-element mixed crystal having an energy gap smaller than that of the second semiconductor layer are laminated in this order from the light incidence side; forming a metal film that is in contact with the third semiconductor layer; and performing a thermal process after the forming of the metal film.

    Abstract translation: 一种制造半导体光接收元件的方法包括:形成具有位于光入射侧的具有第一导电类型的一导电型半导体层的半导体层结构,具有第二导电类型的导电型半导体层 与第一导电型相反的导电型,以及在一导电型半导体层和相反导电型半导体层之间的光吸收层,具有如下结构的相反导电型半导体层,其中第一半导体层 由二元混晶构成的第二半导体层,由三元素或更多元素的混晶构成的第二半导体层,以及由具有小于等于或等于 第二半导体层从光入射侧依次层叠; 形成与所述第三半导体层接触的金属膜; 并且在形成金属膜之后进行热处理。

    Hybrid optical modulator for photonic integrated circuit devices
    96.
    发明授权
    Hybrid optical modulator for photonic integrated circuit devices 有权
    用于光子集成电路器件的混合光调制器

    公开(公告)号:US08938134B2

    公开(公告)日:2015-01-20

    申请号:US13724926

    申请日:2012-12-21

    Inventor: Long Chen

    Abstract: An apparatus comprising an optical modulator, wherein the optical modulator comprises a planar substrate, a first III-V semiconductor layer on the substrate, and a silicon layer on the substrate. The optical modulator includes a planar semiconductor optical waveguide having a hybrid optical core, the hybrid optical core including vertically adjacent lateral portions of the first III-V semiconductor layer and the silicon layer.

    Abstract translation: 一种包括光调制器的装置,其中所述光调制器包括平面基板,所述基板上的第一III-V半导体层和所述基板上的硅层。 光调制器包括具有混合光纤芯的平面半导体光波导,该混合光纤芯包括第一III-V半导体层和硅层的垂直相邻横向部分。

    Photodetector
    97.
    发明授权
    Photodetector 有权
    光电检测器

    公开(公告)号:US08890272B2

    公开(公告)日:2014-11-18

    申请号:US13207372

    申请日:2011-08-10

    Inventor: Michael Tkachuk

    CPC classification number: H01L31/105 H01L31/03046 H01L31/101 Y02E10/544

    Abstract: A photodetector is provided, comprising: a radiation-absorbing semiconductor region and a collection semiconductor region separated by and each in contact with a barrier semiconductor region; wherein, at least in the absence of an applied bias voltage, the band gap between the valence band energy and the conduction band energy of the barrier semiconductor region is offset from the band gap between the valence band energy and the conduction band energy of the radiation-absorbing semiconductor region so as to form an energy barrier between the radiation-absorbing semiconductor region and the collection semiconductor region which resists the flow of minority carriers from the radiation-absorbing semiconductor region to the collection semiconductor region. Also provided is a method of manufacturing a photodetector.

    Abstract translation: 提供了一种光电检测器,包括:辐射吸收半导体区域和由隔离半导体区域分隔开并且与隔离半导体区域接触的收集半导体区域; 其中,至少在不存在所施加的偏置电压的情况下,所述势垒能量与所述势垒半导体区域的导带能量之间的带隙偏离所述辐射的价带能量和导带能量之间的带隙 吸收半导体区域,以便在辐射吸收半导体区域和集电半导体区域之间形成阻挡少数载流子从辐射吸收半导体区域到收集半导体区域的能量势垒。 还提供了一种制造光电检测器的方法。

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