公开(公告)号：WO2018022388A1

公开(公告)日：2018-02-01

申请号：PCT/US2017/042954

申请日：2017-07-20

申请人： MICROSOFT TECHNOLOGY LICENSING, LLC

发明人： KALIMA, Valtteri ,  YLÄ-JARKKO, Mervi ,  PIETARINEN, Juha

IPC分类号： G03F7/00 ,  G02B5/18

CPC分类号： B29D11/00769 ,  B29C41/22 ,  G02B5/1852 ,  G02B5/1857 ,  G02B5/1866 ,  G02B6/00 ,  G02B6/0016 ,  G02B6/34 ,  G02B27/0172 ,  G02B2027/0178 ,  G03F7/0002

摘要： Methods for improving the manufacturing of optical gratings and surface relief grating structures are described. An optical grating may be formed by spin coating a liquid monomer solution that includes a solvent, a liquid monomer, and a nanoparticle filler with a higher refractive index than the liquid monomer on a substrate. The optical grating may be formed by pressing a mold that includes nanostructures on its surface into the liquid monomer to form gratings and then hardening the liquid monomer while the mold is held within the liquid monomer. After the mold has been pressed into the liquid monomer, two regions within the liquid monomer may be formed: a first region that includes the gratings and that does not include nanoparticles (or that includes less than a threshold number of nanoparticles) and a second region arranged below the gratings that includes nanoparticles.

摘要翻译： 描述了用于改进光栅和表面起伏光栅结构的制造的方法。 可以通过在衬底上旋涂包含溶剂，液体单体和具有比液体单体更高折射率的纳米粒子填料的液体单体溶液来形成光栅。 光栅可以通过将其表面上包括纳米结构的模具压入液体单体中以形成光栅，然后在模具保持在液体单体内时硬化液体单体来形成。 在将模具压入液体单体之后，可以形成液体单体内的两个区域：包括光栅并且不包括纳米颗粒（或者包括少于阈值数量的纳米颗粒）的第一区域和包括光栅的第二区域 排列在包含纳米粒子的光栅下方。