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    • 2. 发明授权
    • Apparatus for dispensing material
    • 用于分配材料的设备
    • US07972560B2
    • 2011-07-05
    • US12102370
    • 2008-04-14
    • Peter Werner SutterEli Anguelova Sutter
    • Peter Werner SutterEli Anguelova Sutter
    • B01L3/02
    • B01L3/0275B01L3/0268B01L2200/12B01L2300/12B01L2400/0442Y10S977/762Y10S977/888Y10S977/89
    • An apparatus capable of dispensing drops of material with volumes on the order of zeptoliters is described. In some embodiments of the inventive pipette the size of the droplets so dispensed is determined by the size of a hole, or channel, through a carbon shell encapsulating a reservoir that contains material to be dispensed. The channel may be formed by irradiation with an electron beam or other high-energy beam capable of focusing to a spot size less than about 5 nanometers. In some embodiments, the dispensed droplet remains attached to the pipette by a small thread of material, an atomic scale meniscus, forming a virtually free-standing droplet. In some embodiments the droplet may wet the pipette tip and take on attributes of supported drops. Methods for fabricating and using the pipette are also described.
    • 描述了能够分配具有齐格列斯数量级的体积的材料滴的装置。 在本发明移液管的一些实施例中,如此分配的液滴的尺寸由孔或通道的大小决定,通过包封包含要分配材料的储存器的碳壳。 可以通过用能够聚焦到小于约5纳米的光斑尺寸的电子束或其它高能束照射来形成通道。 在一些实施方案中,分配的液滴通过形成实际上独立的液滴的材料的小线(原子尺度半月板)附着到移液管。 在一些实施例中,液滴可以润湿移液管尖端并承担所支持的液滴的属性。 还描述了用于制造和使用移液管的方法。