公开(公告)号：US20050167410A1

公开(公告)日：2005-08-04

申请号：US11088626

申请日：2005-03-24

申请人： Orson Bourne ,  David Rayner ,  Paul Corkum ,  Manjusha Mehendale ,  Andrei Naumov

发明人： Orson Bourne ,  David Rayner ,  Paul Corkum ,  Manjusha Mehendale ,  Andrei Naumov

IPC分类号： B23K26/00 ,  B23K26/06 ,  G02B6/13

CPC分类号： G02B6/13 ,  B23K26/0624 ,  B23K26/53 ,  B23K26/57

摘要： The present invention relates to a method for writing an optical structure within a workpiece of a dielectric material using FLDM. In a first embodiment system parameters for the FLDM are determined in dependence upon the dielectric material, a predetermined volume element and a predetermined change of the refractive index of the dielectric material within the predetermined volume element. The system parameters are determined such that self-focusing of a pulsed femtosecond laser beam is inhibted by non-linear absorption of the energy of the pulsed femtosecond laser beam within the dielectric material. A pulsed femtosecond laser beam based on the determined system parameters is focused at a predetermined location within the workpiece for inducing a change of the refractive index through dielectric modification within the predetermined volume element, the volume element including the focus. Various embodiments enable writing of various different optical structures into a workpiece.

公开(公告)号：US06884960B2

公开(公告)日：2005-04-26

申请号：US10362223

申请日：2001-08-21

申请人： Orson Bourne ,  David Rayner ,  Paul Corkum ,  Manjusha Mehendale ,  Andrei Yu Naumov

发明人： Orson Bourne ,  David Rayner ,  Paul Corkum ,  Manjusha Mehendale ,  Andrei Yu Naumov

IPC分类号： B23K26/00 ,  B23K26/06 ,  G02B6/12 ,  G02B6/13 ,  G02B6/132

CPC分类号： G02B6/132 ,  B23K26/0624 ,  B23K26/361 ,  B23K26/53 ,  B23K26/57 ,  G02B6/13 ,  G02B2006/12171

摘要： The present invention relates to a method for writing an optical structure within a workpiece of a dielectric material using FLDM. In a first embodiment system parameters for the FLDM are determined in dependence upon the dielectric material, a predetermined volume element and a predetermined change of the refractive index of the dielectric material within the predetermined volume element. The system parameters are determined such that self-focusing of a pulsed femtosecond laser beam is inhibted by non-linear absorption of the energy of the pulsed femtosecond laser beam within the dielectric material. A pulsed femtosecond laser beam based on the determined system parameters is focused at a predetermined location within the workpiece for inducing a change of the refractive index through dielectric modification within the predetermined volume element, the volume element including the focus. Various embodiments enable writing of various different optical structures into a workpiece.

摘要翻译： 本发明涉及使用FLDM在介电材料的工件内写入光学结构的方法。 在第一实施例中，用于FLDM的系统参数根据电介质材料，预定体积元素和预定体积元件内介电材料的折射率的预定变化来确定。 确定系统参数，使得脉冲飞秒激光束的自聚焦通过介电材料内的脉冲飞秒激光束的能量的非线性吸收来抑制。 基于所确定的系统参数的脉冲飞秒激光束被聚焦在工件内的预定位置处，以通过预定体积元件（包括焦点）的体积元件中的介电修改来引起折射率的变化。 各种实施例使得可以将各种不同的光学结构写入工件。

公开(公告)号：US07115353B2

公开(公告)日：2006-10-03

申请号：US10480237

申请日：2002-07-09

申请人： Gary Baxter ,  Brian Baxter ,  David Kennedy ,  P. Gunnar Wareberg ,  Steve Wilson ,  David Rayner ,  Orson Bourne

发明人： Gary Baxter ,  Brian Baxter ,  David Kennedy ,  P. Gunnar Wareberg ,  Steve Wilson ,  David Rayner ,  Orson Bourne

IPC分类号： G03F7/12 ,  G03F7/20

CPC分类号： G03F7/2057 ,  G03F7/12 ,  G03F7/2055

摘要： A system and method for generating a master screen for a silk screen imaging process. Photo activated emulsion is applied to a printing screen and the emulsion is exposed according to a digitized pattern using a light emitting diode (LED) source. The LED source in one embodiment is an array of UV emitting devices which scans the printing screen in a line by line basis.

摘要翻译： 一种用于产生丝网成像过程的主屏幕的系统和方法。 将光激活的乳液施加到印刷屏幕上，并使用发光二极管（LED）源根据数字化图案曝光乳液。 在一个实施例中，LED源是一系列UV发射器件，其以一行一行的方式扫描印刷屏幕。

公开(公告)号：US20050072325A1

公开(公告)日：2005-04-07

申请号：US10480237

申请日：2002-07-09

申请人： Gary Baxter ,  Brian Baxter ,  David Kennedy ,  P. Wareberg ,  Steve Wilson ,  David Rayner ,  Orson Bourne

发明人： Gary Baxter ,  Brian Baxter ,  David Kennedy ,  P. Wareberg ,  Steve Wilson ,  David Rayner ,  Orson Bourne

IPC分类号： B05C17/06 ,  G03F7/12 ,  G03F7/20

CPC分类号： G03F7/2057 ,  G03F7/12 ,  G03F7/2055

摘要： A system and method for generating a master screen for a silk screen imaging process. Photo activated emulsion is applied to a printing screen and the emulsion is exposed according to a digitized pattern using a light emitting diode (LED) source. The LED source in one embodiment is an array of UV emitting devices which scans the printing screen in a line by line basis.

摘要翻译： 一种用于产生丝网成像过程的主屏幕的系统和方法。 将光激活的乳液施加到印刷屏幕上，并使用发光二极管（LED）源根据数字化图案曝光乳液。 在一个实施例中，LED源是一系列UV发射器件，其以一行一行的方式扫描印刷屏幕。

公开(公告)号：US20060219676A1

公开(公告)日：2006-10-05

申请号：US11277381

申请日：2006-03-24

申请人： Rod Taylor ,  Paul Corkum ,  Ravi Vedula ,  Eli Simova ,  David Rayner ,  Cyril Hnatovsky

发明人： Rod Taylor ,  Paul Corkum ,  Ravi Vedula ,  Eli Simova ,  David Rayner ,  Cyril Hnatovsky

IPC分类号： B23K26/36

CPC分类号： G02B6/1225 ,  B23K26/0006 ,  B23K26/361 ,  B23K2103/50 ,  B82Y20/00 ,  G02B6/02123 ,  G02B6/107 ,  Y10S430/146

摘要： To make high quality long-range periodic nanostructures in a transparent or semi-transparent substrate, the transparent or semi-transparent substrate is scanned with a linearly polarized laser beam generated by a femtosecond laser and exceeding a predetermined energy/pulse threshold along a scanning path. Sub-diffraction limit structures are formed as periodic planes of modified material in the transparent or semi-transparent substrate extending along the scanning path. The modified material can then be chemically etched to form cavities.

摘要翻译： 为了在透明或半透明衬底中制造高质量的长程周期纳米结构，透明或半透明衬底用飞秒激光产生的线性偏振激光束扫描并沿着扫描路径超过预定的能量/脉冲阈值 。 副衍射极限结构形成为沿着扫描路径延伸的透明或半透明基板中的改性材料的周期性平面。 然后可以对改性材料进行化学蚀刻以形成空腔。

公开(公告)号：US07033519B2

公开(公告)日：2006-04-25

申请号：US10431442

申请日：2003-05-08

申请人： Rod Taylor ,  Cyril Hnatovsky ,  Paul Corkum ,  David Rayner ,  Ravi Bhardwaj

发明人： Rod Taylor ,  Cyril Hnatovsky ,  Paul Corkum ,  David Rayner ,  Ravi Bhardwaj

IPC分类号： C03C25/68

CPC分类号： G02B6/13 ,  G02B6/02285 ,  G02B6/02371 ,  G02B6/02385 ,  G02B6/136 ,  G02F1/0147 ,  G02F1/065

摘要： A sub-micron structure is fabricated in a transparent dielectric material by focusing femtosecond laser pulses into the dielectric to create a highly tapered modified zone with modified etch properties. The dielectric material is then selectively etched into the modified zone from the direction of the narrow end of the tapered zone so that as the selective etching proceeds longitudinally into the modified zone, the progressively increasing width of the modified zone compensates for lateral etching occurring closer to the narrow end so as to produce steep-walled holes. The unetched portion of the modified zone produced by translating the laser beam close to and parallel to the bottom surface of the dielectric can serve as an optical waveguide to collect light from or deliver light to the etched channel which can contain various biological, optical, or chemical materials for sensing applications.

公开(公告)号：US07438824B2

公开(公告)日：2008-10-21

申请号：US11277381

申请日：2006-03-24

申请人： Rod Taylor ,  Paul Corkum ,  Ravi Bhardwaj Vedula ,  Eli Simova ,  David Rayner ,  Cyril Hnatovsky

发明人： Rod Taylor ,  Paul Corkum ,  Ravi Bhardwaj Vedula ,  Eli Simova ,  David Rayner ,  Cyril Hnatovsky

IPC分类号： B44C1/22

CPC分类号： G02B6/1225 ,  B23K26/0006 ,  B23K26/361 ,  B23K2103/50 ,  B82Y20/00 ,  G02B6/02123 ,  G02B6/107 ,  Y10S430/146

摘要： To make high quality long-range periodic nanostructures in a transparent or semi-transparent substrate, the transparent or semi-transparent substrate is scanned with a linearly polarized laser beam generated by a femtosecond laser and exceeding a predetermined energy/pulse threshold along a scanning path. Sub-diffraction limit structures are formed as periodic planes of modified material in the transparent or semi-transparent substrate extending along the scanning path. The modified material can then be chemically etched to form cavities.

摘要翻译： 为了在透明或半透明衬底中制造高质量的长程周期纳米结构，透明或半透明衬底用飞秒激光产生的线性偏振激光束扫描并沿着扫描路径超过预定的能量/脉冲阈值 。 副衍射极限结构形成为沿着扫描路径延伸的透明或半透明基板中的改性材料的周期性平面。 然后可以对改性材料进行化学蚀刻以形成空腔。

公开(公告)号：US5517911A

公开(公告)日：1996-05-21

申请号：US223708

申请日：1994-04-04

申请人： Michael Rendell ,  David Rayner

发明人： Michael Rendell ,  David Rayner

IPC分类号： B41F33/02 ,  B41F33/00 ,  B41K3/10 ,  B41J1/60

CPC分类号： B41F33/009

摘要： A numbering box for a press for printing bank notes has a stack of sensor boards in one-to-one correspondence with a stack of numbering wheels and each of the boards has an edge area at the printing face of the numbering box which carries an LED indicator of a status of magnetic signalling means on the respective numbering wheel. The boards are each connected to a motherboard in the numbering box. Data processing means in the numbering box may be connected to a remote computer by an optical fibre link. The sensor boards are closely spaced and each has an aperture to accommodate a bulky component of the or an adjacent board.

摘要翻译： 用于打印钞票的印刷机的编号框具有一堆传感器板，与一堆编号轮一一对应，每个板在编号箱的印刷面上具有携带LED的边缘区域 在相应的编号轮上的磁性信号装置的状态指示器。 这些电路板各自连接到编号框中的主板。 编号框中的数据处理装置可以通过光纤链路连接到远程计算机。 传感器板是紧密间隔的，并且每个传感器板都具有孔以容纳相邻板的庞大部件。