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    • 1. 发明申请
    • BRAZING OF CERAMIC TO METAL COMPONENTS
    • 陶瓷对金属部件的制动
    • WO2011053540A1
    • 2011-05-05
    • PCT/US2010/053896
    • 2010-10-25
    • MEDTRONIC, INC.REITERER, Markus W.THOM, Andrew J.
    • REITERER, Markus W.THOM, Andrew J.
    • H01G4/35A61N1/375H01B17/30
    • H01G4/35A61N1/3754
    • A method for making a feedthrough assembly (10) for an implantable electronic medical device (102) comprises providing a metallic ferrule (11) having an outer surface (12) and an aperture (13) defined by an inner lumen surface (14); providing an insulator (20), the insulator having a first surface and a second surface (18, 22). At least one of the first surface and the second surface (18, 22) of the insulator (20) includes a brazing region disposed thereon. The braze material (30) is applied to the brazing region and the insulator (20) is positioned within or around the metallic ferrule (11) such that the positioned insulator (20) brazing region and the metallic ferrule outer surface (12) or inner lumen surface (14) defines a braze gap (16, 24). The braze gap has a width ranging between 10 μm to 50 μm. The feedthrough assembly (10) is then heated at a temperature conducive to melt the braze material (30) in the braze gap (24, 16) thereby forming a hermetic seal between the ferrule (11) and said insulator (20).
    • 一种用于制造用于可植入电子医疗装置(102)的馈通组件(10)的方法包括提供具有由内腔表面(14)限定的外表面(12)和孔(13)的金属套圈(11)。 提供绝缘体(20),所述绝缘体具有第一表面和第二表面(18,22)。 绝缘体(20)的第一表面和第二表面(18,22)中的至少一个包括布置在其上的钎焊区域。 将钎焊材料(30)施加到钎焊区域,并且绝缘体(20)位于金属套圈(11)内或周围,使得定位的绝缘体(20)钎焊区域和金属套圈外表面(12)或内部 管腔表面(14)限定钎焊间隙(16,24)。 钎焊间隙的宽度范围在10μm至50μm之间。 然后,该馈通组件(10)在有助于将钎焊材料(30)熔化在钎焊间隙(24,16)中的温度下加热,从而在套圈(11)和所述绝缘体(20)之间形成气密密封。