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    • 6. 发明授权
    • Cold rolling of glass preforms
    • 玻璃预制件的冷轧
    • US06761046B2
    • 2004-07-13
    • US09882599
    • 2001-06-15
    • Jayson J. NelsonEugene G. HillMichael K. BudinskiJames M. Warner
    • Jayson J. NelsonEugene G. HillMichael K. BudinskiJames M. Warner
    • C03B1314
    • C03B23/0013C03B23/004
    • A method and apparatus for making cylindrical glass preforms with convex, optical quality convex end surfaces is taught. A glass ball preform is placed on a heated lower platen. The temperature of the glass ball preform is raised to a temperature above the glass transition temperature of the glass ball preform. The glass ball preform is engaged with an upper platen. At least one of the upper platen and the lower platen is moved vertically to cause the gap between the upper platen and the lower platen to narrow to a predetermined dimension. Simultaneously, at least one of the upper platen and the lower platen is moved horizontally relative to the other platen to cause the glass ball preform to roll between the upper platen and the lower platen and form a cylindrical preform having a predetermined diameter, the cylindrical preform having convex, optical quality end surfaces.
    • 教导了一种用于制造具有凸的,光学质量的凸出端面的圆柱形玻璃预制件的方法和装置。 将玻璃球预制件放置在加热的下台板上。 将玻璃球预制件的温度升高到高于玻璃球预制件的玻璃化转变温度的温度。 玻璃球预制件与上压板接合。 上压板和下压板中的至少一个垂直移动,使得上压板和下压板之间的间隙变窄到预定尺寸。 同时,上压板和下压板中的至少一个相对于另一个压板水平移动,以使玻璃球预制件在上压板和下压板之间滚动并形成具有预定直径的圆柱形预制件,该圆柱形预制件 具有凸的光学质量端面。
    • 7. 发明授权
    • Method for forming a tool for molding microlens arrays
    • 用于形成用于模塑微透镜阵列的工具的方法
    • US06385997B1
    • 2002-05-14
    • US09570609
    • 2000-05-12
    • Jayson J. NelsonEugene G. HillPaul O. McLaughlinJohn C. PulverMichael K. Budinski
    • Jayson J. NelsonEugene G. HillPaul O. McLaughlinJohn C. PulverMichael K. Budinski
    • C03B2326
    • C03B11/084C03B11/082C03B2215/05C03B2215/414C03B2215/50Y02P40/57
    • 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.
    • 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。
    • 8. 发明授权
    • Optical assembly and a method for manufacturing lens systems
    • 光学组件和制造透镜系统的方法
    • US06324010B1
    • 2001-11-27
    • US09516094
    • 2000-02-29
    • John P. BowenMichael K. BudinskiPaul D. LudingtonPaul O. Mclaughlin
    • John P. BowenMichael K. BudinskiPaul D. LudingtonPaul O. Mclaughlin
    • G02B2710
    • G02B3/0062B29D11/00278B29D11/0073G02B3/0075G02B13/0085
    • According to one aspect of the present invention, a method of making a lens assembly with a plurality of lens arrays having a plurality of lenslets and at least one spacer having a plurality of holes, includes the steps of (i) arranging at least two lens arrays and the spacer, such that the spacer is located between the two lens arrays and the lenslets of one of the two lens arrays overlay the lenslets of another one of the two lens arrays and, the holes of the spaces are located between the corresponding lenslets of the two lens arrays; (ii) fixedly attaching the lens arrays and the spacer to one another to form an array assembly; and (iii) dividing the array assembly to create a plurality of individual lens systems. According to another aspect of the present invention, the optical assembly includes at least two lens arrays and at least one spacer with a plurality of holes. The spacer is located between the two lens arrays and is fixedly attached to the two lens arrays. The spacer has a thickness of 0.05 to 0.5 mm. The lens arrays have a plurality of lenslets of no more than 1 mm in diameter. It is preferred that the lens arrays have a largest dimension of at least 5 mm.
    • 根据本发明的一个方面,制造具有多个具有多个小透镜的多个透镜阵列和至少一个具有多个孔的间隔物的透镜组件的方法包括以下步骤:(i)将至少两个透镜 阵列和间隔物,使得间隔物位于两个透镜阵列之间,并且两个透镜阵列之一的小透镜覆盖两个透镜阵列中的另一个透镜阵列的小透镜,并且空间的孔位于相应的小透镜 的两个透镜阵列; (ii)将透镜阵列和间隔件固定地彼此连接以形成阵列组件; 和(iii)分割阵列组件以产生多个单独的透镜系统。 根据本发明的另一方面,光学组件包括至少两个透镜阵列和至少一个具有多个孔的间隔物。 间隔件位于两个透镜阵列之间,并且固定地附接到两个透镜阵列。 间隔物的厚度为0.05〜0.5mm。 透镜阵列具有多个直径不大于1mm的小透镜。 优选的是,透镜阵列具有至少5mm的最大尺寸。