• 专利标题:   Method for packaging sandwich type graphene heat dissipation plate involves performing surface metallization from top to bottom of silver-based solder, perforated graphene, silver-based solder and copper foil assembly.
  • 专利号:   CN108581253-A
  • 发明人:   SUN Z, CAO L, ZHANG L, FENG J
  • 专利权人:   HARBIN INST TECHNOLOGY
  • 国际专利分类:   B23K028/02
  • 专利详细信息:   CN108581253-A 28 Sep 2018 B23K-028/02 201876 Pages: 7 Chinese
  • 申请详细信息:   CN108581253-A CN10380996 25 Apr 2018
  • 优先权号:   CN10380996

▎ 摘  要

NOVELTY - The method involves performing laser etching to punch a hole in a graphene, and a through hole is evenly distributed to obtain a holed graphite. The surface metallization is performed from top to bottom of silver-based solder, perforated graphene, silver-based solder and copper foil assembly according to copper foil, and then vacuum brazing to obtain metallized graphene. The metallized graphene is embedded in a frame, and assembled from top to bottom according to aluminum plate, tin-based solder, metallized graphene, tin-based solder, and aluminum plate, and then vacuum brazed to obtain a sandwich. USE - Method for packaging sandwich type graphene heat dissipation plate. ADVANTAGE - The room temperature shear strength of the joint between the metallized graphene and the aluminum plate after graphene encapsulation reaches 7 MPa or more.