Patent ID: 7549719
Filing Date: 2009-06-23
Classification: H01L,H05K

Abstract:
1. A method for forming a printed pattern from a pattern layout using a printing system, the method comprising: extracting a first design layer from the pattern layout; performing a first print operation to print the first design layer on a substrate, wherein performing the first print operation includes making a plurality of printing passes across the substrate in a first print direction; extracting a second design layer from the pattern layout; performing a first alignment operation to achieve a desired orientation and positioning between the print head and the first design layer; and performing a second print operation after the first alignment operation to print the second design layer on the substrate, wherein performing the second print operation includes making a plurality of printing passes across the substrate in a second print direction that is non-parallel to the first print direction, wherein the print head includes at least one ejector, wherein performing the first print operation comprises printing a plurality of alignment marks on the substrate at a plurality of expected locations, wherein the IC printing system further comprises a camera rigidly connected to the print head, the camera having an imaging sensor comprising an alignment target, and wherein performing the first alignment operation comprises: