• 专利标题:   Preparation method of composite conductive particles for integrated circuit conductive film, involves mixing graphene oxide, tin powder, solid carbon source and solvent, mixing with polystyrene microspheres, drying, and laser irradiating.
  • 专利号:   CN108063016-A
  • 发明人:   CHEN Q, SI W
  • 专利权人:   CHENGDU NEW KELI CHEM SCI CO LTD
  • 国际专利分类:   C08J007/06, H01B001/22, H01B001/24, H01B013/00
  • 专利详细信息:   CN108063016-A 22 May 2018 H01B-013/00 201842 Pages: 7 Chinese
  • 申请详细信息:   CN108063016-A CN11429148 26 Dec 2017
  • 优先权号:   CN11429148

▎ 摘  要

NOVELTY - The preparation method of composite conductive particles involves (a) mixing graphene oxide, tin powder, solid carbon source and solvent in a weight ratio of (5-10):(3-8):(2-6):10 to obtain precursor, (b) uniformly mixing the precursor with polystyrene microspheres, and supercritically drying to form an uniform conductive layer on a surface of polystyrene microspheres, (c) laser irradiating the polystyrene microspheres having conductive layer on the surface under the protection of inert gas, laser irradiating graphene oxide and tin in the conductive layer to form solid solution, and cooling. USE - Preparation method of composite conductive particles (claimed) for integrated circuit conductive film. ADVANTAGE - The method enables preparation of composite conductive particles with low resistivity, by simple and economical processes.