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93691

Images Rosette Occurrence Eradication on Corrugated Carton Packages printed by Flexographic Post-Printing

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Last updated: 04 Jan 2025

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Abstract

Printing depends on halftoning to simulate shades of gray, color, and image detail. In four color process printing, four halftones – one for each of the cyan, magenta, yellow, and black inks are overlaid to produce the image. The problem is when overlapping two or more halftone grids can create an objectionable pattern called a rosette. With using flexographic printing on corrugated board, it must use coarse screenings for printing because of the nature of corrugated board; the occurrence of rosette is growing increasingly with these coarse screenings. The occurrence of rosette is one of the most important phenomena that affect the final appearance of an image and its details, which make it easy to distinguish rosette with the naked eye. This research is interested in finding a new approach of processing in pre-press stage during the preparation of the digital file which eradicates the rosette formed during the printing using the potentials from processing software to control the screen dots diameter produced of three process colors (C, M, and Y) and uses the same screen angle. With this approach the black color is eliminated and its compensation with C, M, Y colors accordingly saves fourth ink, reduces the printed layers and maintains the strength and hardness of corrugated board as well as provides significant economic value.

DOI

10.21608/idj.2015.93691

Keywords

- Rosette, screen angle, - chromatic composition, - bump up, flexography, - pre-press, - post –printing, - corrugated carton

Authors

First Name

Khaled

Last Name

Youssef

MiddleName

Talaat

Affiliation

Assistant Professor, Printing, Publishing and Packaging Dept., Faculty of Applied Arts, Helwan University, Egypt.

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Volume

5

Article Issue

4

Related Issue

12167

Issue Date

2015-10-01

Receive Date

2015-08-16

Publish Date

2015-10-01

Page Start

1,501

Page End

1,507

Print ISSN

2090-9632

Online ISSN

2090-9640

Article File

IDJ_Volume 5_Issue 4_Pages 1501-1507.pdf

PDF . 2.5MB

Link

https://idj.journals.ekb.eg/article_93691.html

Detail API

https://idj.journals.ekb.eg/service?article_code=93691

Order

17

Type

Original Article

Type Code

1,217

Publication Type

Journal

Publication Title

International Design Journal

Publication Link

https://idj.journals.ekb.eg/

MainTitle

Images Rosette Occurrence Eradication on Corrugated Carton Packages printed by Flexographic Post-Printing

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Article

Created At

22 Jan 2023