Patent ID: 8084769
Filing Date: 2011-12-27
Classification: H01L

Abstract:
1. A testkey design pattern, comprising: a first conductive contact; at least two conductive lines of a first width vertically and electrically connected to said first conductive contact; a second conductive contact vertically and electrically connected to said at least two conductive lines; and a plurality of electronic devices forming an n*m array, n and m represent a line number and a row number of said array, wherein m is greater than 2; wherein each of said plurality of electronic devices includes a source, a drain, and a portion of one of the at least two conductive lines so as to form the testkey design pattern; wherein each said source and each said drain is directly connected to each side of the portion of the one of the at least two conductive lines; and wherein each of said source and said drain has a first length.