Patent ID: 6114754
Filing Date: 2000-09-05
Classification: H01L,H05K

Abstract:
A tape automated bonding (TAB) film for use in mounting a chip, comprising:a base film having a chip mounting area for the chip and an outside area for surrounding the chip mounting area, said chip mounting area being divided into a central region, a peripheral region located outside of said central region, and an intermediate region between said central region and said peripheral region;a plurality of peripheral connection points formed on said peripheral region;a plurality of inner connection points formed on said intermediate region with said peripheral connection points and said inner connection points alternately arranged on said chip mounting area;a plurality of first bumps each of which corresponds to each of said peripheral connection points and which are all formed on said outside area;a plurality of first lead lines which are formed on the base film and each of which is connected between each peripheral connection point and each first bump;a plurality of second bumps each of which corresponds to each of said inner electrode pads and which are all formed on said central region; anda plurality of second lead lines which are formed on the base film and each of which is connected between each inner electrode pad and each second bump.