Adhesive film having multiple filler distribution and method of manufacturing the same, and chip stack package having the adhesive film and method of manufacturing the same

摘要

Disclosed herein are an adhesive film having a multiple filler distribution and a method of manufacturing the same, and a chip stack package having the adhesive film and a method of manufacturing the same. The adhesive film may have an upper film layer with a high concentration of fillers with a small particle size, and a lower film layer with a low concentration of fillers of a large particle size. The adhesive film having a multiple filler distribution may be manufactured using a lamination method or a consecutive coating method. The adhesive film may include two film layers having identical chemical properties while having different physical properties.