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Roll-to-Roll Vacuum Deposition of Barrier Coatings

By Charles A. Bishop
Copyright: 2010   |   Status: Published
ISBN: 9780470609569  |  Hardcover  |  1 lb
268 pages | 143 illustrations
Price: $164 USD
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One Line Description
Provides a working guide to enable the vacuum deposition of good quality barrier coatings and an understanding of the critical factors that can affect the process.

Audience
The intended audience are people using the roll-to-roll vacuum coating technology including R& D scientists and engineers (process; product and process design), operators, technicians, line managers involved in producing vacuum deposited barrier coatings. Industries that will use this book include food packaging, industries using Organic Light Emitting Devices (OLEDs) such as electronics, solar energy and photovoltaics (PVs), thin film battery as well as vacuum insulation panels and medical packaging.

In addition, substrate suppliers as well as downstream and end users who have to make the total product work will profit from reading this book, as will packaging design engineers who are working for a company that uses the barrier packaging to protect their own product.


Description
Roll-to-Roll Vacuum Deposition of Barrier Coatings is a practical guide to provide any reader with the basic information to help them understand what is necessary in order to produce a good barrier coated web or to improve the quality of any existing barrier product.

After providing an introduction, where the terminology is outlined and some of the science is given (keeping the mathematics to a minimum), including barrier testing methods, the vacuum deposition process is described. In theory a thin layer of metal or glass-like material should be enough to convert any polymer film into a perfect barrier material. The reality is that all barrier coatings have their performance limited by the defects in the coating. This book looks at the whole process from the source materials through to the post deposition handling of the coated material. This holistic view of the vacuum coating process provides a description of the common sources of defects and includes the possible methods of limiting the defects. This enables readers to decide where their development efforts and money can best be used to improve the barrier performance of their own process or materials.



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Author / Editor Details
Charles Bishop left school at 16 to start an engineering apprenticeship completing it as a Toolmaker. Opting to return to education he took a degree in Materials Technology. Here the seeds of vacuum processing were sown in the form of a final year project working on bone implants. Moving to the Physics Department he went on to complete Masters and Doctorate degrees on different aspects of vacuum deposition. After a brief time as a post doctoral researcher he moved into industry for the next 15 years before setting up his own consultancy business in 1998.

He is the author of the book ‘Vacuum deposition onto webs, films and foils' and author or co-author of over 60 papers and 5 patents. He also jointly runs a vacuum training website (www.VacuumCoatingTraining.com) and Edits the Blog www.vacuumcoatingblog.com on behalf of AIMCAL and is on their panel of ‘Experts' to answer problems members send in. He was presented with a SVC Mentor Award 2008.

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Table of Contents
Author Biography

Acknowledgements

Introduction / Forward



Contents.

1. Introduction

1.1 Packaging
1.1.1 Opaque barrier
1.1.2 Transparent barrier
1.2 Markets
1.3 References


2. Terminology

2.1 Permeability Models
2.2 Barrier Improvement Factor
2.3 Tortuous path model
2.4 Terminology summary
2.5 References


3. Measurements

3.1 Permeation measurements
3.2 Durability testing
3.3 Adhesion
3.4 Pinholes
3.5 Surface energy
3.6 Coefficient of Friction
3.7 Coating thickness
3.8 Coating conductivity or resistivity
3.9 Transmittance, reflectance and Ellipseometry
3.10 Standard Test Methods
3.10.1 Permeability tests
3.10.2 Other mechanical or optical performance tests
3.11 References


4. Materials

4.1 Packaging materials calculations
4.2 References


5. Substrates, surfaces, quality and defects

5.1 Substrates
5.1.1 Oligomers
5.1.2 Additives
5.1.3 Contamination
5.1.4 Surface quality
5.2 Substrate cleaning
5.3 Substrate plasma treatments
5.4 Wetting and adhesion
5.5 Subbing or planarisation layers and over-coatings
5.6 References


6. Vacuum deposition processing

6.1 Nucleation, growth and modification
6.2 Managing heat load
6.3 Web winding in vacuum
6.4 Troubleshooting
6.5 References


7. Vacuum deposition

7.1 Physical Vapour Deposition (PVD)
7.1.1 Resistance heated evaporation
7.2 Plasma Enhanced Chemical Vapour Deposition (PECVD)
7.3 Electron Beam evaporation sources
7.4 Induction heated evaporation source
7.5 Magnetron sputter deposition sources
7.6 Atomic Layer Deposition (ALD)
7.7 Other deposition processes
7.8 References

8 Summary

8.1 Cleanliness
8.2 Substrates
8.3 Coatings
8.4 Over coatings
8.5 Multilayers
8.6 Conclusion


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BISAC SUBJECT HEADINGS
TEC 021000: Technology & Engineering/ Material Science
TEC 020000: Technology & Engineering/ Manufacturing
TEC 040000: Technology & Engineering/ Technical & Manufacturing Industries & Trades
 
BIC CODES
TDCK: Surface-Coating Technology

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