topography
as defined in Council Directive 87/54/EEC of 16 December 1986 on the legal protection of…, Article 1(1), point (b)
a series of related images, however fixed or encoded; (i) representing the three-dimensional pattern of the layers of which a semiconductor product is composed; and (ii) in which series, each image has the pattern or part of the pattern of a surface of the semiconductor product at any stage of its manufacture;