Security document

Claim 2

A security document in the form of a plastics material card, such as an identity card, credit card or bank cheque guarantee card, which card carries a rainbow-printed design.

Claim 3

A document as claimed in claim 1, wherein the card is in the form of a laminar structure comprising a central core of plastics material carrying rainbow printing on one or both surfaces thereof and an outer layer of plastics material on each surface of the core.

Claim 4

A document as claimed in claim 1 or claim 2, wherein the rainbow printed design comprises a close register fine line pattern.

Claim 5

A document as claimed in any one of claims 1 to 3, wherein the card carried a signature panel, optionally of a paper-based material.

Claim 6

A document as claimed in claim 4, wherein the signature panel carries printing which has been effected with solvent sensitive and/or erasable inks.

Claim 7

A document as claimed in claim 4 or claim 5, wherein the signature panel has rainbow printing thereon, optionally in the form of a micro-pattern design.

Claim 8

A document as claimed in any one of claims 1 to 6, wherein the card incorporates on a surface thereof a magnetic security area, optionally as a magnetic strip.

Claim 9

A document as claimed in any- one of claims 1 to 7, wherein on at least one surface of the card there is an area which is intaglio-printable, such as an area of a paper-based material, which carries intaglio printing preferably providing a transitory visual effect.

Claim 10

A document as claimed in any one of claims 1 to 8, which carries at least one hologram, optionally as a holographic image-bearing film mounted on a foil carrier, the carrier being mounted on the plastics material card. -

Claim 11

A document as claimed in any one of claims 1 to 9 which carries at least some printing in fluorescent ink invisible under ordinary lighting conditions.

Claim 12

1 1. A document as claimed in any one of claims 1 to 10, wherein printing is incorporated which includes a word and/or sign which is of such a character that it signifies that the document when copied may not be genuine, both the word and/or the sign and surrounding area comprising a plurality of continuous lines, the lines forming the word and/or sign being at an angle to the lines forming the surrounding area and the width and spacing of the lines being selected so that the word and/or sign is not readily visible in the document but is readily visible in a copy of the document made on a copier employing a light source for scanning the document.

Claim 13

A document as claimed in any one of claims 1 to 11 also incorporating an optical fibre security device.

Claim 14

A security document in the form of a plastics material card, such as an identity card, credit card or bank cheque guarantee card, which card carries on at least one surface thereof an area which is intaglio-printable and on which an intaglio printed design is provided which exhibits a transitory visual effect dependent upon the angle of view of such design.

Claim 15

A security document in the form of a plastics material card, such as an identity card, credit card or bank cheque guarantee card, which card carries on at least one surface thereof an area which is intaglio-printable and on which an intaglio printed design is provided which exhibits a transitory visual effect dependent upon the angle of view of such design.