Single axis light pipe for homogenizing slow axis of illumination systems based on laser diodes
    21.
    发明授权
    Single axis light pipe for homogenizing slow axis of illumination systems based on laser diodes 有权
    基于激光二极管的照明系统慢轴均匀单轴光管

    公开(公告)号:US07129440B2

    公开(公告)日:2006-10-31

    申请号:US11185649

    申请日:2005-07-20

    IPC分类号: B23K26/06 G02B6/10

    摘要: Apparatus for thermally processing a semiconductor wafer includes an array of semiconductor laser emitters arranged in plural parallel rows extending along a slow axis, plural respective cylindrical lenses overlying respective ones of the rows of laser emitters for collimating light from the respective rows along a fast axis generally perpendicular to the slow axis, a homogenizing light pipe having an input face at a first end for receiving light from the plural cylindrical lenses and an output face at an opposite end, the light pipe comprising a pair of reflective walls extending between the input and output faces and separated from one another along the direction of the slow axis, and scanning apparatus for scanning light emitted from the homogenizing light pipe across the wafer in a scanning direction parallel to the fast axis.

    摘要翻译: 用于热处理半导体晶片的装置包括布置成沿着慢轴延伸的多个平行列的半导体激光发射器的阵列,多个相应的柱形透镜,覆盖相应行的激光发射器,用于沿着快轴准直来自相应行的光 垂直于慢轴的均质化光管,其具有在第一端处的输入面用于接收来自多个柱面透镜的光和相对端的输出面,所述光管包括在输入和输出之间延伸的一对反射壁 并且沿着慢轴的方向彼此分离;以及扫描装置,用于在平行于快轴的扫描方向上扫描从均匀化光管发射的光,跨过晶片。

    Fast axis beam profile shaping for high power laser diode based annealing system
    24.
    发明申请
    Fast axis beam profile shaping for high power laser diode based annealing system 有权
    基于高功率激光二极管的退火系统的快轴光束轮廓成形

    公开(公告)号:US20090152247A1

    公开(公告)日:2009-06-18

    申请号:US12291002

    申请日:2008-11-04

    IPC分类号: B23K26/00

    摘要: A dynamic surface anneal apparatus for annealing a semiconductor workpiece has a workpiece support for supporting a workpiece, an optical source and scanning apparatus for scanning the optical source and the workpiece support relative to one another along a fast axis. The optical source includes an array of laser emitters arranged generally in successive rows of the emitters, the rows being transverse to the fast axis. Plural collimating lenslets overlie respective ones of the rows of emitters and provide collimation along the fast axis. The selected lenslets have one or a succession of optical deflection angles corresponding to beam deflections along the fast axis for respective rows of emitters. Optics focus light from the array of laser emitters onto a surface of the workpiece to form a succession of line beams transverse to the fast axis spaced along the fast axis in accordance with the succession of deflection angles.

    摘要翻译: 用于退火半导体工件的动态表面退火装置具有用于支撑工件的工件支撑件,用于沿着快轴相对于彼此扫描光源和工件支撑件的光源和扫描装置。 光源包括大致以发射器的连续行布置的激光发射器的阵列,该列横向于快轴。 多个准直的小透镜叠加在发射器排中的相应行上,并沿着快轴提供准直。 所选择的小透镜具有对应于沿着快轴的光束偏转的相应行发射器的一个或一系列光学偏转角。 将来自激光发射器阵列的光聚焦到工件的表面上,以根据偏转角的顺序形成一系列沿着快轴间隔开的快轴的线束。

    Multiple band pass filtering for pyrometry in laser based annealing systems
    25.
    发明授权
    Multiple band pass filtering for pyrometry in laser based annealing systems 有权
    在激光基退火系统中进行高频测量的多带通滤波

    公开(公告)号:US07438468B2

    公开(公告)日:2008-10-21

    申请号:US11195380

    申请日:2005-08-02

    IPC分类号: G01J5/02

    摘要: A thermal processing system includes a source of laser radiation emitting at a laser wavelength, beam projection optics disposed between the reflective surface and a substrate support capable of holding a substrate to be processed, a pyrometer responsive to a pyrometer wavelength, and a wavelength responsive optical element having a first optical path for light in a first wavelength range including the laser wavelength, the first optical path being between the source of laser radiation and the beam projection optics, and a second optical path for light in a second wavelength range including the pyrometer wavelength, the second optical path being between the beam projection optics and the pyrometer. The system can further include a pyrometer wavelength blocking filter between the source of laser radiation and the wavelength responsive optical element.

    摘要翻译: 热处理系统包括以激光波长发射的激光辐射源,设置在反射表面和能够保持要处理的衬底的基板支撑件之间的光束投影光学器件,响应于高温计波长的高温计和波长响应光学 元件,其具有用于包括激光波长的第一波长范围内的光的第一光路,所述第一光路位于激光辐射源和光束投影光学器件之间,以及用于在包括高温计的第二波长范围内的光的第二光路 波长,第二光路位于光束投影光学器件和高温计之间。 该系统还可以包括在激光辐射源和波长响应光学元件之间的高温计波长阻挡滤波器。

    Rapid detection of imminent failure in optical thermal processing of a substrate
    26.
    发明申请
    Rapid detection of imminent failure in optical thermal processing of a substrate 失效
    快速检测基板光热处理中即将发生的故障

    公开(公告)号:US20080217306A1

    公开(公告)日:2008-09-11

    申请号:US12075798

    申请日:2008-03-12

    IPC分类号: B23K26/04

    摘要: A system for thermal processing of a substrate includes a source of radiation, optics disposed between the source and the substrate to receive light from the source of radiation at the optics proximate end, and a housing holding the optics and having a void inside the housing isolated from light emitted from the source. A light detector is disposed within the void in the housing to detect light from the optics emitted into the housing and send a deterioration signal. The system further includes a power supply for the source of radiation, and a controller to control the power supply based on the deterioration signal from the light detector.

    摘要翻译: 用于衬底的热处理的系统包括辐射源,设置在光源和衬底之间的光学器件,以在光学器件的近端处接收来自辐射源的光,以及保持光学元件并且在壳体内部具有空隙的壳体 从光源发出的光。 光检测器设置在外壳中的空隙内,以检测发射到壳体中的光学器件的光并发出劣化信号。 该系统还包括用于辐射源的电源,以及控制器,用于基于来自光检测器的劣化信号来控制电源。

    Rapid detection of imminent failure in laser thermal processing of a substrate
    27.
    发明授权
    Rapid detection of imminent failure in laser thermal processing of a substrate 失效
    快速检测基板激光热处理中即将发生的故障

    公开(公告)号:US07422988B2

    公开(公告)日:2008-09-09

    申请号:US11185454

    申请日:2005-07-20

    IPC分类号: H01L21/00 B23K26/04

    摘要: A thermal processing system includes a source of laser radiation having an array of lasers emitting light at a laser wavelength, a substrate support, optics disposed between said source and said substrate support for forming a line beam in a substrate plane of the substrate support from the light emitted by the source of laser radiation, and scanning apparatus for effecting movement of said line beam relative to said substrate support in a direction transverse to the longitudinal axis of said line beam. The system further includes a housing encompassing said optics, a light detector disposed inside said housing for sensing an ambient light level, a power supply coupled to the source of laser radiation, and a controller governing said power supply and responsive to said light detector for interrupting said power supply upon an increase in the output of said light detector above a threshold ambient level.

    摘要翻译: 热处理系统包括激光辐射源,其具有发射激光波长的光的激光阵列,衬底支撑件,设置在所述源极和所述衬底支撑件之间的光学器件,用于在衬底支撑件的衬底平面中形成线束 由激光辐射源发射的光以及用于在垂直于所述线束的纵向轴线的方向上相对于所述衬底支撑件实现所述线束的运动的扫描装置。 该系统还包括包围所述光学元件的壳体,设置在所述壳体内用于感测环境光级别的光检测器,耦合到激光辐射源的电源,以及控制所述电源并响应于所述光检测器中断的控制器 所述电源在所述光检测器的输出增加超过阈值环境水平时。

    Fast axis beam profile shaping by collimation lenslets for high power laser diode based annealing system
    28.
    发明申请
    Fast axis beam profile shaping by collimation lenslets for high power laser diode based annealing system 有权
    基于高功率激光二极管的退火系统的准直小透镜的快轴光束轮廓成形

    公开(公告)号:US20080210671A1

    公开(公告)日:2008-09-04

    申请号:US11508781

    申请日:2006-08-23

    IPC分类号: B23K26/00

    摘要: A dynamic surface anneal apparatus for annealing a semiconductor workpiece has a workpiece support for supporting a workpiece, an optical source and scanning apparatus for scanning the optical source and the workpiece support relative to one another along a fast axis. The optical source includes an array of laser emitters arranged generally in successive rows of the emitters, the rows being transverse to the fast axis. Plural collimating lenslets overlie respective ones of the rows of emitters and provide collimation along the fast axis. The selected lenslets have one or a succession of optical deflection angles corresponding to beam deflections along the fast axis for respective rows of emitters. Optics focus light from the array of laser emitters onto a surface of the workpiece to form a succession of line beams transverse to the fast axis spaced along the fast axis in accordance with the succession of deflection angles.

    摘要翻译: 用于退火半导体工件的动态表面退火装置具有用于支撑工件的工件支撑件,用于沿着快轴相对于彼此扫描光源和工件支撑件的光源和扫描装置。 光源包括大致以发射器的连续行布置的激光发射器的阵列,这些行横向于快轴。 多个准直的小透镜叠加在发射器排中的相应行上,并沿着快轴提供准直。 所选择的小透镜具有对应于沿着快轴的光束偏转的相应行发射器的一个或一系列光学偏转角。 将来自激光发射器阵列的光聚焦到工件的表面上,以根据偏转角的顺序形成一系列沿着快轴间隔开的快轴的线束。

    Semiconductor substrate process using an optically writable carbon-containing mask
    29.
    发明申请
    Semiconductor substrate process using an optically writable carbon-containing mask 有权
    使用可光学写入的含碳掩模的半导体衬底工艺

    公开(公告)号:US20070032082A1

    公开(公告)日:2007-02-08

    申请号:US11199592

    申请日:2005-08-08

    IPC分类号: H01L21/302

    摘要: A method of processing a thin film structure on a semiconductor substrate using an optically writable mask, the method includes placing the substrate in a reactor chamber, the substrate having on its surface a target layer to be exposed to a light source in accordance with a predetermined pattern, depositing an optically writable carbon-containing mask layer on the substrate by (a) introducing a carbon-containing process gas into the chamber, (b) generating a reentrant toroidal RF plasma current in a reentrant path that includes a process zone overlying the workpiece by coupling plasma RF source power to an external portion of the reentrant path, (c) coupling RF plasma bias power or bias voltage to the workpiece. The method further includes optically writing on the carbon-containing mask layer in accordance with the predetermined pattern with writing light of a characteristic suitable for transforming the transparency or opacity of the optically writable mask layer and exposing through the mask layer the target layer with reading light of a characteristic different from that of the writing light.

    摘要翻译: 一种使用光学可写掩模在半导体衬底上处理薄膜结构的方法,所述方法包括将衬底放置在反应室中,所述衬底在其表面上具有根据预定的暴露于光源的靶层 (a)将含碳工艺气体引入所述室中,(b)在可折入路径中产生可重入环形的RF等离子体电流,所述折返路径包括位于所述腔内的过程区域 通过将等离子体RF源功率耦合到可折入路径的外部部分,(c)将RF等离子体偏置功率或偏置电压耦合到工件。 该方法还包括根据预定图案,用适合于转换光学可写掩膜层的透明度或不透明度的特性的光进行光学写入,并通过掩模层曝光目标层与读取光 具有与书写光不同的特征。