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    • 2. 发明授权
    • Dispersion compensation module
    • 色散补偿模块
    • US06996322B2
    • 2006-02-07
    • US10719390
    • 2003-11-20
    • Kevin W. BennettPaul O. JohnsonPaul C. TrifosoTodd M. Wetherill
    • Kevin W. BennettPaul O. JohnsonPaul C. TrifosoTodd M. Wetherill
    • G02B6/00
    • G02B6/4457G02B6/02214
    • The invention is directed to a dispersion compensation module of extremely simple design that does not rely on a spool-and-hub or similar device for holding the optical fiber used in the module, such module being here termed a “Free-Fiber dispersion compensation module”. In the inventive dispersion compensation module the optical fiber therein is in a relaxed coiled configuration having minimal tension. It has also been discovered that while coil tension is relieved by removing it from the winding spool prior to placing it in the dispersion compensation module, the tension can be further relieved by coating the coiled fiber with a finely powdered substance which will not react with or otherwise harm or damage wither the fiber or the module containing it, for example, talcum powder.
    • 本发明涉及一种非常简单设计的色散补偿模块,其不依赖于用于保持模块中使用的光纤的线轴和集线器或类似装置,这种模块在这里被称为“自由光纤色散补偿模块 “。 在本发明的色散补偿模块中,其中的光纤处于具有最小张力的松弛线圈构造。 还已经发现,当将线圈张力放置在分散补偿模块中之前,通过将其从卷绕卷轴上取下来可以减轻线圈张力,通过用不会与 否则会损害或损坏纤维或含有它的模块,例如滑石粉。
    • 5. 发明授权
    • Method of forming an electronic package with a solder seal
    • 用焊接密封形成电子封装的方法
    • US06352195B1
    • 2002-03-05
    • US09664198
    • 2000-09-18
    • Frank E. GuthriePaul O. Johnson
    • Frank E. GuthriePaul O. Johnson
    • B23K3102
    • H01L23/10B23K1/008H01L2924/0002H01L2924/01079H01L2924/09701H01L2924/00
    • A method of attaching a lid with at least a metallic surface thereon to a substrate to enclose a surface acoustic wave electronic circuit using a fluxless solder preform having an undesired oxide surface and associated with the metallic surface on the lid and in superimposed and abutting relationship with a gold seal ring surrounding the electronic circuit to form a unit that is heated in a furnace having a hydrogen atmosphere such that the hydrogen removes any undesired oxide surfaces from the solder preform and the metallic surface on the lid by combining with the oxygen therein to form moisture so as to remove any oxide surfaces from the solder preform and the lid metallic surface and enable a complete bonding of the fluxless solder preform with the gold seal ring and the lid metallic surface thereby forming a hermetically sealed package.
    • 一种将其上至少具有金属表面的盖子附接到基板上以使用具有不期望的氧化物表面并与盖子上的金属表面相关并且与盖子的叠加和邻接关系的无助焊剂预制件包围表面声波电子电路的方法 围绕电子电路的金密封环,以形成在具有氢气气氛的炉中加热的单元,使得氢通过与其中的氧结合而从焊料预制件和盖上的金属表面除去任何不期望的氧化物表面,以形成 从而从焊料预成型件和盖金属表面去除任何氧化物表面,并且使得无金属焊料预成型件与金密封环和盖金属表面完全结合,从而形成气密密封的封装。