Patent ID: 9095084
Filing Date: 2015-07-28
Classification: H05K

Abstract:
1. A stacked multilayer structure, comprising: a first circuit layer having a plurality of bumps; a plastic film stacked on the first circuit layer to fill up the space among the bumps, wherein the plastic film comprises a glass fiber layer which is embedded and not exposed, and the glass fiber layer has glass fiber members embedded between adjacent bumps in the plastic film; a metal layer provided on the plastic film above the glass fiber layer to form a co-plane by top surfaces of the bumps, the metal layer, and the plastic film with each glass fiber member of the glass fiber layer having a metal member in the metal layer formed directly above the glass fiber member; and a second circuit layer formed on the co-plane and connected through the bumps to the first circuit layer with a portion of the top surface of the metal layer exposed.