Gravure process for printing adjacent color surfaces with...

Details Gravure process for printing adjacent color surfaces with... Gravure process for printing adjacent color surfaces with...

2005-08-16

2005-08-16

Nguyen, Anthony H. (Department: 2854)

Printing

Intaglio

C101S170000

Reexamination Certificate

active

06928925

ABSTRACT:
The invention concerns a data medium with a printed image created by the intaglio printing process. The printed image has at least one first ink area with a first ink layer thickness and at least one second ink area with a second ink layer thickness adjacent to the first ink area, such that the ink layer thicknesses are different. The first and second ink areas are separated by a sharp border line invisible on examination with the naked eye, and the ink layer thickness of both ink areas passes through a minimum in the region of the border line.

REFERENCES:
patent: 3599153 (1971-08-01), Lewis et al.
patent: 4124947 (1978-11-01), Kuhl et al.
patent: 4564409 (1986-01-01), Kuhl
patent: 4968064 (1990-11-01), Mancuso
patent: 5722693 (1998-03-01), Wicker
patent: 5757550 (1998-05-01), Gulick, Jr.
patent: 2130914 (1972-01-01), None
patent: 2603558 (1977-05-01), None
patent: 1390302 (1975-04-01), None

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