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    • 4. 发明公开
    • 평형 형상을 갖는 압출 구조
    • 具有平衡形状的挤压结构
    • KR1020080039817A
    • 2008-05-07
    • KR1020070110799
    • 2007-11-01
    • 팔로 알토 리서치 센터 인코포레이티드
    • 포크,데이비드케이.짐머만,토마스슈테판
    • B81C1/00
    • B81C1/00634B29C47/0019B29C47/0023B29C47/003B29C47/0052B29C47/062B29C47/065B29C47/884B29C49/061B81B2203/0376B81C99/0015
    • An extruded structure having an equilibrium shape on a substrate is provided to co-extrude multiple similar and/or dissimilar materials to form relatively fine structures at relatively high aspect ratios. A micro extrusion apparatus(100) for producing an extruded structure(120) having an equilibrium shape on a substrate(101) comprises a first sheet(210), a second sheet(230), an extrusion head(130), and a unit for moving the extrusion head relative to the substrate. The first sheet has a first surface and a first side edge(219). The second sheet has a second surface and a second side edge(239). The second sheet is mounted on the first sheet such that a flat portion of the second surface abuts the first surface, and the second side edge is aligned with the first side edge, whereby the first and second side edges form an edge surface of the extrusion head. The second surface of the second sheet defines an elongated trench(232) extended from the second side edge and having a concave oblique surface, thereby forming a fluidic channel(132,133,134) having an outlet orifice(135) including a straight first edge(136) defined by the first sheet, and an oblique second edge(137) defined by the elongated trench. The unit moves the extrusion head relative to the substrate while forcing material through the fluidic channel such that material is extruded from the outlet orifice and forms an associated extruded structure on the substrate, wherein the extruded structure has a flat lower surface that is formed by the flat first edge of the orifice and is in contact with the surface, and an upper surface that is formed by the curved second edge of the outlet orifice and faces away from the substrate.
    • 提供了一种在基底上具有平衡形状的挤出结构,以共挤出多个相似的和/或不相似的材料以在较高的纵横比下形成较细的结构。 一种用于生产在基片(101)上具有平衡形状的挤出结构(120)的微挤出装置(100)包括第一片(210),第二片(230),挤出头(130)和单元 用于使挤出头相对于基底移动。 第一片具有第一表面和第一侧边缘(219)。 第二片具有第二表面和第二侧边缘(239)。 第二片安装在第一片上,使得第二表面的平坦部分邻接第一表面,并且第二侧边缘与第一侧边缘对准,由此第一和第二侧边缘形成挤压件的边缘表面 头。 第二片的第二表面限定从第二侧边缘延伸并且具有凹入的倾斜表面的细长沟槽(232),由此形成具有包括直的第一边缘(136)的出口孔(135)的流体通道(132,133,134) 由所述第一片限定,以及由所述细长沟槽限定的倾斜的第二边缘(137)。 该单元相对于基底移动挤出头,同时迫使材料通过流体通道,使得材料从出口孔挤出并在基底上形成相关的挤压结构,其中挤压结构具有平坦的下表面,该下表面由 孔的平坦的第一边缘和与表面接触的上表面和由出口孔的弯曲的第二边缘形成并且背离衬底的上表面。