abstract |
An apparatus for patterning an article that comprises a first layer of a first material. The apparatus includes a thread, at least one thread guide for guiding the thread such that at least a portion of the thread engages with the article, a unit for moving the thread relative to the at least one thread guide means, and a unit for applying a solvent to the thread before the thread contacts the article, wherein the first material is soluble in the solvent. |