[PDF][PDF] Investigation of the laser engraving of AISI 304 stainless steel using a response-surface methodology

V Mladenovic, P Panjan, S Paskvale, H Caliskan… - 2016 - acikerisim.bartin.edu.tr
Original scientific paper In this paper we present the laser-beam engraving of a cold-rolled
AISI 304 stainless-steel plate used for intaglio printing (eg, banknotes and passports). This …

Direct laser engraving of intaglio printing plates

H Deinhammer, F Loos… - Optical Security and …, 2004 - spiedigitallibrary.org
Traditionally, Intaglio printing is one of the key security elements for banknotes and security
documents, providing high-resolution fine-line elements and the characteristic tactility easily …

The implication of direct laser engraved intaglio plates on banknote security

H Deinhammer, D Schwarzbach… - Optical Security and …, 2006 - spiedigitallibrary.org
Intaglio printing remains the key security element in banknote printing until today, providing
the characteristic feel and tactility recognized by the public. Traditionally, platemaking for this …

[PDF][PDF] Tridimensional laser engraving of industrial injection moulds for fresnel surface generation

A Bereczki, GA Cirino, SP Morato - Ann Opt, 2006 - sbf1.sbfisica.org.br
We developed a method for generating a three-dimensional surface by laser ablation of
successive layers of a hard steel substrate using a Q-switched Nd: YAG laser marking …

Experimental investigation and mathematical modeling of laser deep engraving process for microapplication

Ş Kasman, İE Saklakoğlu - Arabian Journal for Science and Engineering, 2013 - Springer
This paper investigates the effects of process parameters (laser power, scan speed,
frequency and fill spacing) on the laser deep engraving of AISI 316 stainless steel. The …

Laser engraving of micro-patterns on roll surfaces

J Uh, JS Lee, YH Kim, JT Choi, MG Joo, CS Lim - ISIJ international, 2002 - jstage.jst.go.jp
A pattern engraving method was developed with argon ion laser combined with an electro-
optic (EO) modulator and its control units. Image data was first encoded, processed and …

Modeling and simulation of the nanosecond pulsed laser engraving process

E Nikolidakis, A Antoniadis - MATEC Web of Conferences, 2020 - matec-conferences.org
Ιn this paper a 3D finite element simulation model of the nanosecond pulsed laser engraving
process will be presented. With this model simulations of laser engraving process will be …

Use of laser-engraved printing forms

A Becker, T Rathschlag, R Smolka… - US Patent 7,891,293, 2011 - Google Patents
The present invention relates to the use of laser-engraved printing forms for printing using
printing inks pigmented with flake-form effect pigments inks in a gravure printing process …

Analysis of sonic waves generated during laser engraving of printed circuits

A Gorkič, D Kovačič, J Diaci - The International Journal of Advanced …, 2009 - Springer
We present an experiment where sonic waves generated during the laser engraving of
printed circuit boards (PCB) were acquired and analyzed. The sonic waves were detected …

Laser engraving optimization for achieving smooth sidewalls

A Sikora, G Coustillier, T Sarnet, M Sentis - Applied Surface Science, 2019 - Elsevier
The surface roughness of picosecond laser micromachined sidewalls in silicon is
investigated theoretically and experimentally by varying the laser fluence, the focal spot size …