Liquid transfer between two separating plates for micro-gravure-offset printing

被引：78

作者：

Kang, Hyun Wook ^{[1
]}

Sung, Hyung Jin ^{[1
]}

Lee, Taik-Min ^{[2
]}

Kim, Dong-Soo ^{[2
]}

Kim, Chang-Jin ^{[3
]}

机构：

[1] Korea Adv Inst Sci & Technol, Dept Mech Engn, Taejon 305701, South Korea

[2] Nano Convergence Machinery Res Div, Taejon 305343, South Korea

[3] Univ Calif Los Angeles, Dept Mech & Aerosp Engn, Los Angeles, CA 90095 USA

来源：

JOURNAL OF MICROMECHANICS AND MICROENGINEERING | 2009年 / 19卷 / 01期

关键词：

FABRICATION;

D O I：

10.1088/0960-1317/19/1/015025

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

Experimental investigations of the liquid transfer between two separating plates have been carried out, with the aim of increasing the ink transfer ratio in micro-gravure-offset printing. A sessile droplet is divided into two by moving one plate vertically with respect to a fixed plate. The surface contact angles of the sessile droplet on the two plates were of particular interest in this study because the volume ratio of the two droplets varies with the contact angles. Various methods for controlling the surface contact angle, including chemical treatment, plasma surface modification and electrowetting-on-dielectric were assessed. Image analysis of the droplets was carried out to estimate the surface contact angles and to measure the volumes of the droplets. The liquid transfer process and related phenomena, such as satellite droplet generation and the variation in the contact areas between the droplets and the plates, were observed. The experimental results help us to determine the optimal surface contact angles of the plate cylinder, blanket cylinder and substrate for micro-gravure-offset printing.

引用

页数：9