Patent ID: 6448634
Filing Date: 2002-09-10
Classification: H01L

Abstract:
A tape carrier comprising:a substrate in a tape form to mount thereon a plurality of semiconductor elements in a longitudinal direction; a first pattern formed on the substrate and extending toward a first edge along a width of the substrate, the first pattern comprising an array of a plurality of wires having bonding portions for electrical connection to the semiconductor elements, external terminal portions connected to the bonding portions, and lead-out portions positioned closer to the first edge than the external terminal portions; and a second pattern formed on the substrate and extending toward a second edge opposite to the first edge along the width of the substrate, the second pattern comprising an array of a plurality of wires having bonding portions for electrical connection to the semiconductor elements, external terminal portions connected to the bonding portions, and lead-out portions positioned closer to the second edge than the external terminal portions, wherein in at least one of the first and second patterns, the wires are divided into a plurality of groups, and ends of the lead-out portions of the wires of at least one of the groups of the patterns is disposed at varying positions such that a length of the lead-out portions of the wires is shorter from the outside to the center from at least one of the edges to accommodate probes for testing.