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    • 3. 发明申请
    • Aerosol generator
    • 气溶胶发生器
    • US20120049393A1
    • 2012-03-01
    • US13373066
    • 2011-11-03
    • Anthony Michael DeSantoloRobert Scott Windeler
    • Anthony Michael DeSantoloRobert Scott Windeler
    • B01F3/04
    • C03B19/1438B01D1/0005C03B37/01433C03B37/01838C03B2201/28C03B2201/31C03B2201/34C03B2201/36C03B2207/81C03B2207/87
    • A method of fabricating a glass body that includes a multiplicity of constituents, at least one of which is a dopant (e.g., a rare-earth element) having a low vapor pressure (LVP) precursor comprises the steps of: (a) generating an aerosol from the LVP precursor; (b) separately generating vapors of the other constituents; (c) convecting the aerosol and vapors to deposition system including a substrate; and (d) forming at least one doped layer on a surface of the substrate. In one embodiment, the method also includes filtering the aerosol so as to remove aerosol particles outside of a particular range of sizes. Also described is a unique aerosol generator that is particularly useful in generating aerosols of rare-earth dopants. Particular embodiments directed to the fabrication of Yb-doped optical fibers are described.
    • 一种制造玻璃体的方法,其包括多个组分,其中至少一种是具有低蒸气压(LVP)前体的掺杂剂(例如,稀土元素),其包括以下步骤:(a)产生 来自LVP前体的气溶胶; (b)分别生成其他成分的蒸气; (c)将气溶胶和蒸气对流到包括基底的沉积系统; 和(d)在所述衬底的表面上形成至少一个掺杂层。 在一个实施方案中,该方法还包括过滤气溶胶以除去特定范围的气溶胶颗粒。 还描述了一种独特的气溶胶发生器,其特别用于产生稀土掺杂剂的气溶胶。 描述了涉及制造掺杂Yb的光纤的特定实施例。
    • 6. 发明授权
    • Method for manufacturing a gradient index optical element
    • 梯度折射率光学元件的制造方法
    • US5171344A
    • 1992-12-15
    • US717417
    • 1991-06-18
    • Satoshi Noda
    • Satoshi Noda
    • C03B37/014C03B19/12C03B19/14C03C1/00C03C8/12C03C21/00C03C23/00G02B3/00
    • G02B3/0087C03B19/12C03B19/1438C03C1/006C03C23/0095C03B2201/30C03B2201/31C03B2201/34C03B2201/40C03B2201/42C03B2201/54Y10S65/901
    • In accordance with the present invention, the dopant within one gradient index optical element has two independent concentration distributions. Particularly to use the present invention to obtain a gradient index optical element having an excellent chromatic aberration correction ability, it is only needed to make such dopant distributions as shown in the previously stated Japanese Patent Application No. 280897/1989. However, as to the doping of a dopant into a porous body, there is a limit in the amount which can be doped. This is a disadvantage of the molecular stuffing method, but the reason for this is that the dopant must be supplied into the holes as a solution and it is largely restricted by the solubility of the dopant in the solvent. In addition, since the intra-hole fixing of the dopant depends on the solubility difference by temperature or that by solvent exchange, it is further restricted. For this, the latter process which is an application of the molecular stuffing method preferably takes the distribution that has less doping amount.Accordingly, a large concentration distribution must be provided to the dopant in the preceding process. For that, the preceding process is desirably a gel which has sufficiently large concentration gradient by the sol-gel method. However, the sol-gel method also has a defect, in which the distribution provision relies on the elution of the dopant metal, and thus a convex distribution is easier to produce in principle.In view of the foregoing, it is the most effective that the concentration gradient of the first dopant is formed in a convex shape by the sol-gel method using alcoxide as the raw material for retreiving the first dopant, and that the concentration gradient of the second dopant is formed in a concave shape by an application of the molecular stuffing method.
    • 根据本发明,一个梯度折射率光学元件内的掺杂剂具有两个独立的浓度分布。 特别是为了使用本发明获得具有优异的色像差校正能力的梯度折射率光学元件,仅需要进行如前述日本专利申请280897/1989所示的掺杂剂分布。 然而,关于将掺杂剂掺杂到多孔体中,可以掺杂的量存在限制。 这是分子填充方法的缺点,但其原因是必须将掺杂剂作为溶液供给到孔中,并且其很大程度上受掺杂剂在溶剂中的溶解度的限制。 此外,由于掺杂剂的孔内固定取决于温度下的溶解度差异或通过溶剂交换的溶解度差异,因此进一步受限制。 为此,作为分子填充方法的应用的后一种方法优选具有较少掺杂量的分布。 因此,在前述方法中必须向掺杂剂提供大的浓度分布。 为此,上述方法理想地是通过溶胶 - 凝胶法具有足够大的浓度梯度的凝胶。 然而,溶胶 - 凝胶法也存在缺陷,其中分配条件依赖于掺杂剂金属的溶出,因此原理上更容易产生凸分布。 鉴于上述,最有效的是通过溶胶 - 凝胶法将第一掺杂剂的浓度梯度形成为凸形,其中使用的是以氧化铝作为回收第一掺杂剂的原料,并且, 通过使用分子填充方法将第二掺杂剂形成为凹形。
    • 10. 发明授权
    • Aerosol generator
    • 气溶胶发生器
    • US08167282B2
    • 2012-05-01
    • US13373066
    • 2011-11-03
    • Anthony Michael DeSantoloRobert Scott Windeler
    • Anthony Michael DeSantoloRobert Scott Windeler
    • B01F3/04
    • C03B19/1438B01D1/0005C03B37/01433C03B37/01838C03B2201/28C03B2201/31C03B2201/34C03B2201/36C03B2207/81C03B2207/87
    • A method of fabricating a glass body that includes a multiplicity of constituents, at least one of which is a dopant (e.g., a rare-earth element) having a low vapor pressure (LVP) precursor includes the steps of: (a) generating an aerosol from the LVP precursor; (b) separately generating vapors of the other constituents; (c) convecting the aerosol and vapors to deposition system including a substrate; and (d) forming at least one doped layer on a surface of the substrate. In one embodiment, the method also includes filtering the aerosol so as to remove aerosol particles outside of a particular range of sizes. Also described is a unique aerosol generator that is particularly useful in generating aerosols of rare-earth dopants. Particular embodiments directed to the fabrication of Yb-doped optical fibers are described.
    • 一种制造玻璃体的方法,其包括多个成分,其中至少一个是具有低蒸气压(LVP)前体的掺杂剂(例如,稀土元素),其包括以下步骤:(a)产生 来自LVP前体的气溶胶; (b)分别生成其他成分的蒸气; (c)将气溶胶和蒸气对流到包括基底的沉积系统; 和(d)在所述衬底的表面上形成至少一个掺杂层。 在一个实施方案中,该方法还包括过滤气溶胶以除去特定范围的气溶胶颗粒。 还描述了一种独特的气溶胶发生器,其特别用于产生稀土掺杂剂的气溶胶。 描述了涉及制造掺杂Yb的光纤的特定实施例。