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公开(公告)号：US06385997B1
公开(公告)日：2002-05-14
申请号：US09570609
申请日：2000-05-12
IPC分类号： C03B2326
CPC分类号： C03B11/084 , C03B11/082 , C03B2215/05 , C03B2215/414 , C03B2215/50 , Y02P40/57
摘要： A method for fabricating a mold tool for molding optical elements is taught which comprises heating a mold tool blank made from a vitreous material to a temperature above the glass transition temperature of the vitreous material; generating an axial viscosity gradient in the mold tool blank; pressing a punch into an optical quality mold surface of the mold tool blank, the punch including a pressing surface with a predetermined geometry for forming an optical feature; cooling the mold tool blank to a temperature below the glass transition temperature of the material; and removing the punch from the mold tool blank thereby creating the optical feature in the optical quality mold surface. The axial viscosity gradient is achieved by creating an axial thermal gradient. Multiple optical features can be formed in the mold surface of the blank using a single punch such that the pressing, cooling and removing steps are repeated with the punch or the blank being translated to a different position between the last removing step and the next pressing step. In such manner, a high temperature glass mold tool can be formed which can be used to mold glass optical elements either individually or in arrays.
摘要翻译： 一种用于制造用于模制光学元件的模具的方法，包括将由玻璃质材料制成的模具坯料加热到高于玻璃质材料的玻璃化转变温度的温度; 在模具坯料中产生轴向粘度梯度; 将冲头压入模具坯料的光学质量模具表面中，冲头包括具有用于形成光学特征的预定几何形状的按压表面; 将模具坯料冷却到低于材料的玻璃化转变温度的温度; 并从模具坯料上移除冲头，从而在光学质量模具表面中形成光学特征。 通过产生轴向热梯度来实现轴向粘度梯度。 可以使用单个冲头在坯料的模具表面中形成多个光学特征，使得当冲头或坯料被转换到最后的去除步骤和下一个压制步骤之间的不同位置时，重复挤压，冷却和移除步骤 。 以这种方式，可以形成高温玻璃模具，其可以单独地或阵列地用于模制玻璃光学元件。
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公开(公告)号：US06363747B1
公开(公告)日：2002-04-02
申请号：US09570564
申请日：2000-05-12
IPC分类号： C03B1100
CPC分类号： C03C3/062 , C03B11/08 , C03B40/02 , C03B2215/48 , C03B2215/50 , C03B2215/72 , C03C3/0745 , C03C3/12 , C03C3/145
摘要： A method for making working mold tools for use in a compression molding process for molding optical glass elements from high temperature glasses having Tg's in the range of from about 400° C. to about 850° C. An yttria aluminosilicate glass is fabricated by traditional melting and casting processes to thereby make an amorphous base material having a minimum apparent viscosity of 1015 poise at the temperature at which the optical glass elements are to be molded. A mold preform is made from the base material. A first surface figure for the optical element to be molded with the working mold tool is defined. A second surface figure for a master mold tool and a third surface figure for the working mold tool are computed based upon the first surface figure and the coefficients of thermal expansion of the optical element, the master mold tool, and the working mold tool, the temperature at which the working mold tool is molded, and the temperature at which the optical element is to be molded. A master mold tool is then ground and polished to achieve the second surface figure. The working mold tool is then molded from the mold preform using the master mold tool.
摘要翻译： 制造用于压缩成型工艺的工作模具的方法，用于从Tg为约400℃至约850℃的高温玻璃成型光学玻璃元件。氧化钇铝硅酸盐玻璃通过传统熔化 和铸造工艺，从而在光学玻璃元件将被模制的温度下形成具有1015泊的最小表观粘度的非晶基材。 模具预成型件由基材制成。 定义了用工作模具工具模制的光学元件的第一表面图形。 基于第一表面图形和光学元件，主模具和工作模具的热膨胀系数来计算主模具的第二表面图形和用于工作模具工具的第三表面图形， 加工模具的成型温度以及光学元件的成型温度。 然后将主模具工具研磨和抛光以实现第二表面图形。 然后使用主模具工具从模具预制件模制工作模具。
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公开(公告)号：US06587274B1
公开(公告)日：2003-07-01
申请号：US10027863
申请日：2001-12-20
IPC分类号： G02B2710
CPC分类号： G02B3/0075 , G02B3/0025 , G02B3/0031 , G02B3/005 , G02B3/0068 , G02B27/32
摘要： A double-sided microlens array and method has a plurality of first microlenses on a first surface opposite a plurality of second microlenses on a second surface of a transparent medium. At least two optical features are arranged on either of the first or second surfaces to form fiducial marks on the opposing surface in the transparent medium. The fiducial marks enable precise alignment of the microlenses in the first and second plurality of microlens arrays.
摘要翻译： 双面微透镜阵列和方法在与透明介质的第二表面上的多个第二微透镜相对的第一表面上具有多个第一微透镜。 至少两个光学特征被布置在第一或第二表面中的任一个上，以在透明介质中的相对表面上形成基准标记。 基准标记使得能够精确地对准第一和第二多个微透镜阵列中的微透镜。
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公开(公告)号：US06748145B2
公开(公告)日：2004-06-08
申请号：US10027748
申请日：2001-12-20
IPC分类号： G02B626
CPC分类号： G02B3/005 , G02B3/0012 , G02B3/0075 , G02B6/4204 , G02B6/4224 , G02B6/4249 , G02B27/32
摘要： A fiber optic array and method of making same has precision fiducial marks that aid in the alignment of the fiber optic array. The invention requires forming additional optical features adjacent to the fiber optic array that is used to write fiducial marks on an opposite surface in the medium containing the fiber optic array. Fiducial marks are formed when a high intensity collimated beam of light is directed through the optical features onto a treated portion of the transparent medium. Fiducial accuracies of 1 micron are possible by using this approach.
摘要翻译： 光纤阵列及其制造方法具有有助于光纤阵列对准的精密基准标记。 本发明需要在光纤阵列附近形成附加的光学特征，该光学特征用于在包含光纤阵列的介质的相对表面上写入基准标记。 当高强度准直光束通过光学特征被引导到透明介质的处理部分上时形成基准标记。 通过使用这种方法，1微米的基准精度是可能的。
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公开(公告)号：US06845120B2
公开(公告)日：2005-01-18
申请号：US10420244
申请日：2003-04-22
CPC分类号： G02B6/4224 , G02B6/3833 , G02B6/3885 , G02B6/4249 , G02B2006/12102
摘要： A laser array and method of making same has precision fiducial marks that aid in the alignment of the laser array. The invention requires forming additional optical features adjacent to the laser array that is used to write fiducial marks on an opposite surface in the medium containing the laser array. Fiducial marks are formed when high intensity collimated beams of light are directed through the optical features onto a treated portion of the transparent medium. Fiducial accuracies of 1 micron are possible by using this approach.
摘要翻译： 激光阵列及其制造方法具有有助于激光阵列对准的精密基准标记。 本发明需要形成与用于在包含激光阵列的介质的相对表面上写入基准标记的激光器阵列附近的附加光学特征。 当高强度准直光束通过光学特征被引导到透明介质的处理部分上时，形成基准标记。 通过使用这种方法，1微米的基准精度是可能的。
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公开(公告)号：US06515800B1
公开(公告)日：2003-02-04
申请号：US10027834
申请日：2001-12-20
IPC分类号： G02B2710
CPC分类号： G02B3/005 , G02B3/0075 , G02B27/32 , G02B27/62 , G02F1/133526
摘要： A microlens array has a plurality of microlens supportedly arranged on a first surface of a transparent medium. At least two optical features are formed on a second surface opposite the first surface. Fiducial marks are formed on the second surface by a beam of collimated light directed onto the optical features and focused onto the second surface. Fiducial marks enable precise alignment of the microlenses in the microlens array.
摘要翻译： 微透镜阵列具有多个微透镜，其支撑地布置在透明介质的第一表面上。 在与第一表面相对的第二表面上形成至少两个光学特征。 通过被引导到光学特征上的准直光束在第二表面上形成基准标记并聚焦到第二表面上。 基准标记使得微透镜阵列中的微透镜能够精确对准。
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公开(公告)号：US4451119A
公开(公告)日：1984-05-29
申请号：US250475
申请日：1981-04-02
申请人： John J. Meyers , John C. Pulver
发明人： John J. Meyers , John C. Pulver
IPC分类号： G02B5/08
CPC分类号： G02B5/0858
摘要： A preferred embodiment of a composite mirror comprises (1) a substrate of carbon-carbon, (2) intermediate layers of silicon carbide, silicon dioxide, (3) optically polished layers of metals and/or suitable glass (ultralow-expansion or modified fused-silica glass) and (4) an optical coating of high reflectivity. The resulting mirror exhibits desired features including high optical quality and a low coefficient of thermal expansion; such mirrors being well suited to high thermal flux applications. Methods of producing the composite mirror are described.
摘要翻译： 复合反射镜的优选实施例包括（1）碳 - 碳基体，（2）中间层碳化硅，二氧化硅，（3）光学抛光的金属和/或合适的玻璃（超低膨胀或改性的熔融 - 硅玻璃）和（4）高反射率的光学涂层。 所得到的镜子具有包括高光学质量和低热膨胀系数的所需特征; 这种反射镜非常适合于高热通量应用。 描述了制造复合反射镜的方法。
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公开(公告)号：US06765603B2
公开(公告)日：2004-07-20
申请号：US10027994
申请日：2001-12-20
IPC分类号： B41J2435
CPC分类号： G02B3/0025 , B23K26/0648 , B23K26/0665 , B41M3/003 , G02B3/0075 , G02B6/32 , G02B6/4204 , G02B6/4224 , G02B6/4249 , G02B27/32 , G02B2006/12102
摘要： A method of forming fiducial marks on a micro-sized article has at least one optical feature adjacent the micro-sized article that focuses a collimated beam of light onto a surface opposite the mounting surface of the micro-sized article. Fiducial mark is formed on the surface that enables precise alignment of the micro-sized articles.
摘要翻译： 在微尺寸制品上形成基准标记的方法具有与微尺寸制品相邻的至少一个光学特征，其将准直光束聚焦到与微尺寸制品的安装表面相对的表面上。 在表面上形成基准标记，使得能够精确地对准微型物品。
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公开(公告)号：US06594084B1
公开(公告)日：2003-07-15
申请号：US10027698
申请日：2001-12-20
IPC分类号： G02B2710
CPC分类号： G02B3/0025 , G02B3/0012 , G02B3/0075 , G02B27/32
摘要： A method of manufacturing a microlens array requires at least two fiducial marks formed on a surface of a transparent medium opposite the microlens array. Additional optical features formed on the transparent medium adjacent the microlens array enables precise locationing of fiducial marks on an opposing surface when such surface is exposed to a collimated beam of light. The location of fiducial marks using the method of the invention is about 1 micron or less.
摘要翻译： 微透镜阵列的制造方法需要在与微透镜阵列相对的透明介质的表面上形成至少两个基准标记。 形成在与微透镜阵列相邻的透明介质上的附加光学特征使得当这种表面暴露于准直光束时，相对表面上的基准标记的精确定位。 使用本发明的方法的基准标记的位置为约1微米或更小。
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公开(公告)号：US5762676A
公开(公告)日：1998-06-09
申请号：US639584
申请日：1996-04-29
申请人： David A. Richards , John C. Pulver
发明人： David A. Richards , John C. Pulver
CPC分类号： C03B11/086 , C03B2215/11 , C03B2215/12 , C03B2215/20 , C03B2215/22 , C03B2215/47
摘要： An improved tool is provided for pressing glass into a precision optical element having a strong concave surface. The tool is selected from ceramic and metal materials having coefficients of thermal expansion greater than the coefficient of the pressed glass. Preferred tools include a base material selected from Invar, steel and alumina with a surface layer selected from alumina, zirconia, chromium oxide and chromium carbide, having a finished thickness in the range between ten to two thousand angstroms.
摘要翻译： 提供了一种改进的工具，用于将玻璃压入具有强凹表面的精密光学元件中。 该工具选自具有大于压制玻璃系数的热膨胀系数的陶瓷和金属材料。 优选的工具包括选自殷钢，钢和矾土的基材，具有选自氧化铝，氧化锆，氧化铬和碳化铬的表面层，其最终厚度在10至2千埃的范围内。
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