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Design of Inkjet Printheads

Titre :

Design of Inkjet Printheads
From Acoustics to Applications

Caractéristiques :


Auteur(s) :J. Frits Dijksman
Editeur :VCH
Parution :12/2018
Langue :Anglais Anglais
Nbre de pages :325
ISBN :9783527342662
Reliure :Livre relié
Prix :141.50 € ttc
Disponibilité :Livraison sous 10 jours ouvrés.

Couverture :


Design of Inkjet Printheads

Résumé :

An integral overview of the theory and design of printheads, authored by an expert with over 30 years' experience in the field of inkjet printing.

Clearly structured, the book presents the design of a printhead in a comprehensive and clear form, right from the start. To begin with, the working principle of piezo-driven drop-on-demand printheads in theory is discussed, building on the theory of mechanical vibrations and acoustics. Then the design of single-nozzle as well as multi-nozzle printheads is presented, including the importance of various parameters that need to be optimized, such as viscosity, surface tension and nozzle shape. Topics such as refilling the nozzle and the impact of the droplet on the surface are equally treated. The text concludes with a unique set of worked-out questions for training purposes as well as case studies and a look at what the future holds.

An essential reference for beginning as well as experienced researchers, from ink developers to mechanical engineers, both in industry and academia.

Table des matières :

INTRODUCTION



SINGLE, TWO, THREE AND FIVE DEGREES OF FREEDOM

Effect of Nozzle Shape

Schematic of Fluidic and Acoustic System

Surface Tension, Viscosity and Compressibility, Frequency Dependent Damping

Piezo Theory

Rayleigh's Method

Pulse Shape Definition

Non-Linear Effects

Fluidic Cross-Talk

Examples



LONG WAVE GUIDE THEORY SINGLE & MULTI NOZZLE PRINT HEAD

Wave Speed

Governing Equations

Solution Strategies

Damping

Complex Pulse Shapes, Multi Pulsing

Examples



DROPLET FORMATION

Energy Consideration

Influence of Meniscus Position on Droplet Speed and Size

Influence of Droplet Formation on Dynamics of Fluid Motion

Cooling of Free Flying Droplet

Jetting of Viscoelastic Inks

Examples



REFILLING

Surface Tension Driven Refilling

Inertia Effects

Start-up Effects

Multi Pulsing & Gray Scaling

Examples



IMPACTING DROPLETS

Viscosity and Surface Tension Dominated Spreading

Inertia Dominated Spreading

Splashing

Examples



PERMEATION AND DRYING

Washburn Theory

Drying of Liquid Droplets

Examples



CONCLUSIONS AND OUTLOOK

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