Back to results
US 2003/0111771 A1Published application
Polymer casting method and apparatus
OwnerAlexander Sergeievich Gybin, Toshifumi Komatsuinventors
Life of this patent
Estimating the term…
Abstract
Methods and materials used to make detailed cast objects are disclosed. The cast objects are formed in mold created from a photosensitive laminate. The mold is formed by selectively removing portions of the photosensitive laminate. The invention is particularly well suited to make thin molded articles, but can also be used to make thicker molded articles by using multiple photosensitive layers or laminates.
Claims20
A method for forming a cast article, the method comprising:
- providing a photosensitive film, the film comprising at least one layer containing a photosensitive material;
- selectively exposing at least a portion of the photosensitive material of the film;
- removing a portion of the layer containing the photosensitive material, the removed portion corresponding to either the exposed or unexposed portion of the photosensitive material, to form a relief surface in the film;
- and
- applying a casting material to the relief surface to form a cast article.
2 more elements
The method of clam 3, wherein the photopolymer has pendant, photo-crosslinkable, styryl groups.
Dependencies are inferred from the claim text.