MULTI-LAYER DATA CARRIER AND RECORDING OF DATA
PURPOSE: To locally remove a first color layer by providing at least second color layer at least partly thermally decomposable by an influence of a laser beam light under the first layer for transmitting the beam. CONSTITUTION: A recording with a laser beam light is conducted perpendicularly on a fl...
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| creator | YOOZEFU RASU AREGUZANDAA HIIRUBUEEGAA HANSUYURUGEN MERUKURE ERUBUIN ROBU BUORUFUGANGU KIRAA |
| description | PURPOSE: To locally remove a first color layer by providing at least second color layer at least partly thermally decomposable by an influence of a laser beam light under the first layer for transmitting the beam. CONSTITUTION: A recording with a laser beam light is conducted perpendicularly on a flat surface of an ID card at a position 4. An energy of the light 1 is substantially not absorbed by a material of a first color layer 3 in an area 5. However, part of the light L is absorbed by a pigment contained in a second color layer 2. As a result, the material of the layer 2 is decomposed (evaporated, sublimated or the like) in an area 6. The layer 3 disposed thereon is blown out by a pressure generated as the result, but the blown area is limited to a relatively narrow place 4 to which the light L is emitted. Recording parameters such as a thickness, decomposing characteristics, laser beam light intensity and the like of the layer 2 are partly removed in the color layer, and regulated to one another so as to be observed with eyes comparatively to the first layer. |
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CONSTITUTION: A recording with a laser beam light is conducted perpendicularly on a flat surface of an ID card at a position 4. An energy of the light 1 is substantially not absorbed by a material of a first color layer 3 in an area 5. However, part of the light L is absorbed by a pigment contained in a second color layer 2. As a result, the material of the layer 2 is decomposed (evaporated, sublimated or the like) in an area 6. The layer 3 disposed thereon is blown out by a pressure generated as the result, but the blown area is limited to a relatively narrow place 4 to which the light L is emitted. 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CONSTITUTION: A recording with a laser beam light is conducted perpendicularly on a flat surface of an ID card at a position 4. An energy of the light 1 is substantially not absorbed by a material of a first color layer 3 in an area 5. However, part of the light L is absorbed by a pigment contained in a second color layer 2. As a result, the material of the layer 2 is decomposed (evaporated, sublimated or the like) in an area 6. The layer 3 disposed thereon is blown out by a pressure generated as the result, but the blown area is limited to a relatively narrow place 4 to which the light L is emitted. Recording parameters such as a thickness, decomposing characteristics, laser beam light intensity and the like of the layer 2 are partly removed in the color layer, and regulated to one another so as to be observed with eyes comparatively to the first layer.</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | BOOK COVERS BOOKBINDING CALCULATING COMPUTING COUNTING DEVICES FOR USE THEREWITH AND NOT OTHERWISE PROVIDEDFOR FILES HANDLING RECORD CARRIERS LOOSE LEAVES MOVABLE-STRIP WRITING OR READING APPARATUS PERFORMING OPERATIONS PHYSICS PRESENTATION OF DATA PRINTED MATTER CHARACTERISED BY IDENTIFICATION OR SECURITYFEATURES PRINTED MATTER OF SPECIAL FORMAT OR STYLE NOTOTHERWISE PROVIDED FOR RECOGNITION OF DATA RECORD CARRIERS SPECIAL PRINTED MATTER TRANSPORTING |
| title | MULTI-LAYER DATA CARRIER AND RECORDING OF DATA |
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