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    • 1. 发明申请
    • Methods of fabricating complex blade geometries from silicon wafers and strengthening blade geometries
    • 从硅晶片制造复杂刀片几何形状和加强刀片几何形状的方法
    • US20050266680A1
    • 2005-12-01
    • US11117730
    • 2005-04-29
    • Vadim DaskalJoseph KeenanJames HughesAttila KissSusan Chavez
    • Vadim DaskalJoseph KeenanJames HughesAttila KissSusan Chavez
    • A61B17/32H01L21/4763
    • A61B17/3211
    • Ophthalmic surgical blades are manufactured from either a single crystal or poly-crystalline material, preferably in the form of a wafer. The method comprises preparing the single crystal or poly-crystalline wafers by mounting them and etching trenches into the wafers using one of several processes. Methods for machining the trenches, which form the bevel blade surfaces, include a diamond blade saw, laser system, ultrasonic machine, a hot forge press and a router. Other processes include wet etching (isotropic and anisotropic) and dry etching (isotropic and anisotropic, including reactive ion etching), and combinations of these etching steps. The wafers are then placed in an etchant solution which isotropically etches the wafers in a uniform manner, such that layers of crystalline or poly-crystalline material are removed uniformly, producing single, double or multiple bevel blades. Nearly any angle can be machined into the wafer, and the machined angle remains after etching. The resulting radii of the blade edges is 5-500 nm, which is the same caliber as a diamond edged blade, but manufactured at a fraction of the cost. A range of radii may be 30 to 60 nm, with a specific implementation being about 40 nm. The blade profile may have an angle of, for example, about 60°. The ophthalmic surgical blades can be used for cataract and refractive surgical procedures, as well as microsurgical, biological and non-medical, non-biological purposes. Surgical and non-surgical blades and mechanical devices manufactured as described herein can also exhibit substantially smoother surfaces than metal blades.
    • 眼科手术刀片由单晶或多晶材料制成,优选为晶片形式。 该方法包括通过使用几种方法之一安装它们并将沟槽蚀刻到晶片中来准备单晶或多晶晶片。 用于加工形成斜面刀片表面的沟槽的方法包括金刚石锯片锯,激光系统,超声波机器,热锻压机和路由器。 其他工艺包括湿蚀刻(各向同性和各向异性)和干蚀刻(各向同性和各向异性,包括反应离子蚀刻)以及这些蚀刻步骤的组合。 然后将晶片放置在蚀刻剂溶液中,其均匀地蚀刻晶片,使得均匀地去除晶体或多晶材料层,产生单个,双重或多个斜面叶片。 几乎任何角度可以加工到晶片中,并且在蚀刻之后保留加工角度。 叶片边缘的最终半径为5-500nm,其与金刚石边缘刀片相同的口径,但是以成本的一小部分制造。 半径范围可以为30至60nm,具体实施方案为约40nm。 刀片轮廓可以具有例如约60°的角度。 眼科手术刀片可用于白内障和屈光手术,以及显微手术,生物和非医学,非生物学目的。 如本文所述制造的手术和非手术刀片和机械装置也可以表现出比金属刀片更基本平滑的表面。
    • 2. 发明申请
    • Silicon blades for surgical and non-surgical use
    • 用于外科手术和非手术用途的硅片
    • US20050188548A1
    • 2005-09-01
    • US10943227
    • 2004-09-17
    • Vadim DaskalJoseph KeenanJames HughesAttila KissSusan Chavez
    • Vadim DaskalJoseph KeenanJames HughesAttila KissSusan Chavez
    • A61B17/00A61B17/32A61B18/18A61F9/013B26B9/00C23F1/00
    • A61B17/3211A61B2017/00526A61F9/0133
    • Ophthalmic surgical blades are manufactured from either a crystalline or polycrystalline material, preferably in the form of a wafer. The method comprises preparing the crystalline or polycrystalline wafers by mounting them and machining trenches into the wafers. Methods for machining the trenches, which form the bevel blade surfaces, include a diamond blade saw, laser system, ultrasonic machine, a hot forge press and a router. The wafers are then placed in an etchant solution which isotropically etches the wafers in a uniform manner, such that layers of crystalline or polycrystalline material are removed uniformly, producing single, double or multiple bevel blades. Nearly any bevel angle can be machined into the wafer which remains after etching. The resulting radii of the blade edges is 5-500 nm, which is the same caliber as a diamond edged blade, but manufactured at a fraction of the cost. The ophthalmic surgical blades can be used for cataract and refractive surgical procedures, as well as microsurgical, biological and non-medical, non-biological purposes.
    • 眼科手术刀片由晶体或多晶材料制成,优选以晶片的形式制造。 该方法包括通过将晶片或多晶晶片安装并将沟槽加工到晶片中来制备晶体或多晶晶片。 用于加工形成斜面刀片表面的沟槽的方法包括金刚石锯片锯,激光系统,超声波机器,热锻压机和路由器。 然后将晶片放置在蚀刻剂溶液中,其均匀地蚀刻晶片,使得均匀地去除晶体或多晶材料层,产生单个,双重或多个斜面叶片。 蚀刻后保留的晶片中几乎可以加工任何斜角。 叶片边缘的最终半径为5-500nm,其与金刚石边缘刀片相同的口径,但是以成本的一小部分制造。 眼科手术刀片可用于白内障和屈光手术,以及显微手术,生物和非医学,非生物学目的。
    • 3. 发明申请
    • Method for reducing glare and creating matte finish of controlled density on a silicon surface
    • 减少眩光并在硅表面产生受控密度的无光泽的方法
    • US20050155955A1
    • 2005-07-21
    • US10936725
    • 2004-09-09
    • Vadim DaskalAttila Kiss
    • Vadim DaskalAttila Kiss
    • B23K26/00B23K26/36B23K26/38
    • B23K26/389B23K26/355
    • A system and method for producing a matte finish on a silicon surgical blade or other surface, wherein the system comprises a computer, laser and lens assembly, and an x-y coordinate controller which controls the position of the laser in accordance with received instructions. The method comprises creating a design or pattern to be ablated on the surgical blade by the laser. A data set is then generated from file representing the design or pattern, and the data set instructions are sent to the x-y coordinate controller and laser and lens assembly. The x-y coordinate controller moves the laser to a location where a crater is to be formed, and the laser illuminates the surgical blade, burning a pit or crater of pre-determined diameter, depth and spacing into the surgical blade. The process then rapidly repeats itself until the design or pattern has been created in the surgical blade.
    • 一种用于在硅外科手术刀片或其他表面上产生无光饰面的系统和方法,其中所述系统包括计算机,激光和透镜组件,以及x-y坐标控制器,其根据接收到的指令来控制激光器的位置。 该方法包括通过激光产生在外科手术刀片上消融的设计或图案。 然后从表示设计或图案的文件生成数据集,并且将数据集指令发送到x-y坐标控制器和激光和透镜组件。 x-y坐标控制器将激光器移动到要形成火山口的位置,激光照射外科刀片,将预定直径,深度和间距的坑或火山口燃烧到手术刀片中。 然后,该过程快速重复,直到在外科手术刀片中创建了设计或图案。