Back to results
US 7,749,685 B2Granted
Imaging methods
AssigneeRohm and Haas Electronic Materials LLC
InventorsRobert K. Barr, James T. Fahey, Corey O'Connor, James G. Shelnut
Life of this patent
Estimating the term…
Abstract
An imaging method is disclosed. An imaging composition is coated on a work piece followed by applying a sufficient amount of energy from a 3-D imaging system to form an image on the coated work piece. The image may be a logo or marker for alignment of parts.
Claims5
A method comprising:
- a) applying an imaging composition on a work piece;
- b) selectively applying a computer programmed 3-D image in the form of laser light on the imaging composition at intensities to affect a photofugitive response in the imaging composition such that the imaging composition changes color or shade from dark to light at selected portions of the imaging composition to form a pattern on the imaging composition, or to affect a phototropic response in the imaging composition such tat the imaging composition changes color or shade from light to dark at selected portions of the imaging composition to form a pattern on the imaging composition;
- and
- c) modifying the work piece as directed by the pattern.
1 more element
Dependencies are inferred from the claim text.