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    • 4. 发明申请
    • MULTI-COMPONENT REACTIVE INKS FOR 3D-PRINTED ELECTRONICS
    • 用于3D打印电子的多组分反应性油墨
    • WO2017151139A1
    • 2017-09-08
    • PCT/US2016/020795
    • 2016-03-04
    • INTEL CORPORATION
    • CLENDENNING, Scott B.BLACKWELL, James M.KRYSAK, MarieROMERO, Patricio Eduardo
    • H01L21/283
    • H01L21/288C09D11/52C23C18/08C23C18/1216H01L21/76885
    • Described herein are improved 3D printing methods for fabricating structures made of metals, including metal alloys, and dielectrics. Such structures may be used in various components of integrated circuits, such as e.g. interconnects, interlayer dielectrics, electrodes, and transistors. Methods provided herein are based on using reactive inks comprising molecular metal and dielectric precursors that react to form desired resulting materials once deposited on a print surface, i.e. 3D printing inks that need to react on the print surface in order to form the desired materials. Through the use of reactive inks, strong covalent or metallic bonds can be formed between printed layers, leading to more robust structures with improved isotropic properties. Because molecular precursors are reacted on the print surface, dense continuous traces may be fabricated. In addition, molecular precursors proposed herein enable 3D printing of intricate structures, e.g. with intricate internal cavities, made of materials with unique compositions.
    • 这里描述的是用于制造由金属(包括金属合金)和电介质制成的结构的改进的3D打印方法。 这样的结构可以用在集成电路的各种组件中,例如, 互连,层间电介质,电极和晶体管。 本文提供的方法基于使用包含分子金属和电介质前体的反应性油墨,所述反应性油墨一旦沉积在印刷表面上即形成期望的所得材料,即需要在印刷表面上反应以形成所需材料的3D印刷油墨。 通过使用反应性油墨,可以在印刷层之间形成强共价键或金属键,从而导致具有改善的各向同性性质的更坚固的结构。 由于分子前体在印刷表面上反应,可以制造密集的连续痕迹。 另外,本文中提出的分子前体使得能够对复杂结构进行3D打印,例如, 具有复杂的内腔,由具有独特组成的材料制成。