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US 6,663,945 B2Granted
Multilayer card
AssigneeAlps Electric Co., Ltd.
InventorTsuyoshi Miyano
Life of this patent
Estimating the term…
Abstract
A multilayer card is described. The multilayer card includes a base layer, a watermark layer, an image layer, and an opaque layer. The watermark layer is provided on the base layer and is at least partially transparent. The image layer is provided on the watermark layer. The opaque layer is provided on the image layer.
Claims9
A multilayer card, comprising:
- a base layer;
- a watermark layer provided on the base layer, the water mark layer being at least partially transparent;
- an image layer provided on the watermark layer;
- and
- an opaque layer provided on the image layer,
- wherein the opaque layer includes a metallic layer, and
- wherein the watermark layer and the image layer are formed by transferring ink of an ink film using a thermal transfer printer.
4 more elements
Dependencies are inferred from the claim text.