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Vacuum Web Coating

Blogmaster: Dr. Charles A. Bishop


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09
Question: As far as the source of the pinholes concerns, besides of having a visual inspection and comparison of the appearance of the pinholes, what other type of analysis could be considered in order to be able to understand and therefore eliminate the problem? What would be the recommendation to ...

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06
We came across one question answered by you ( dtd.Feb.2, 2009. "How are these pin holes formed ?")  on internet regarding the pin holes in metallized PET film. Is that pin holes are like sieve or unmetallized / metal removed portion of the film? How to detect the same is only metal removed a...

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Blogmaster

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Dr. Charles A. Bishop

Charles is a toolmaker by trade after completing a mechanical engineering apprenticeship. He then entered University and obtained a Bachelors degree in materials engineering with a Diploma in Industrial Studies. During his final year he first started work on vacuum based research, helping develop a process for manufacturing titanium based bone implants for tendon location. He went on to obtain a Masters degree and Doctorate following further research into vacuum deposition processes. During this time and as a postgraduate he also worked as a consultant.

Charles next spent time in industry working for various divisions of ICI including polyesters, nylon, Imagedata, Flex Products Inc., and explosives as well as contributing to other projects. In 1998 he took the opportunity to return to consultancy work and set up his own company.

Charles has more than 30 years experience in vacuum deposition mainly onto flexible webs. He has regularly contributed papers to conferences and recently has edited this blog on behalf of AIMCAL as well as being one of their presenters for various webinars and the more formal Converting School courses.

Charles has also published 2 books, Vacuum deposition onto webs, films and foils and Roll-to-roll vacuum deposition of barrier coatings.