Alex Nevels

“Gap analysis” helps advance business, technology for flexible, hybrid, printed electronics Members Public

SEMI FlexTech has been championing business and technology development of the flexible, hybrid, printed and organic electronics sector for 20+ years as the industry expanded to more than US$50 billion, with significant growth on the way. Driven by demands in mobile phones, automotive, flexible power, IOT devices, e-textiles, displays,

Alex Nevels
Converting Quarterly

WEB WISE | What is the best roller wrap angle? Members Public

This mundane question is, in some ways, more important than its more popular cousin, “What is the best roller-to-roller span?”[1] Yes, both affect the layout and cost of a machine. However, rules for wrap angles are more numerous, and much more consequential, if you get them wrong. Let us

Alex Nevels
Converting Quarterly

WEB COATING | Basic configurations for drying and curing of liquid coatings Members Public

Liquid coatings need to solidify before being wound into a roll. For ambient-temperature coatings, this requires drying, curing or a combination of the two. Here we discuss the basic configurations and the benefits and drawbacks of curing with and without drying. Click the link below to download the full article.

Alex Nevels
Converting Quarterly

VACUUM VERBIAGE | Are today's fillers for various polymer films a necessary evil? Members Public

I have a tendency to view fillers as problematic; hence, the title of this column. Polymer films made without fillers often are very smooth, which makes them very hard to wind well. As the film is wound, the air between is squeezed out, and so there is a very high

Alex Nevels
Converting Quarterly

“Roll to product: What is coming?” A pro flex 2021 conference report Members Public

This technical paper summarizes presentations given at the pro flex 2021 hybrid conference, organized by Fraunhofer Institute, FEP, in Dresden, Germany, in September 2021. The program highlights work done by Fraunhofer and its industrial partners as well as publicizes progress made by some of the collaborative European Research Initiatives. The

Alex Nevels
Converting Quarterly

Technology Watch | Quarter 1, 2022 Members Public

New camera technology for web-edge, contrast detection has improved capabilities Roll-2-Roll Technologies LLC (Stillwater, OK) launches its new line of single-dimension cameras for web-edge and contrast detection. ODC Linear Cameras replace the co.’s WPS line of sensor products for web guiding and monitoring, offering improved capabilities and a cost-effective

Alex Nevels
Converting Quarterly

SUBSTRATE SECRETS | What, why, and how do we measure substrate properties? Part 1 Members Public

Substrates harbor many secrets. Some are easy to discern (such as haze and gloss), while others (such as barrier, tensile strength or heat-sealing properties) can’t be known by simple visual appearance. However, they should all be measured to ensure accurate property levels are met or known. But which properties

Alex Nevels
Converting Quarterly

Roll-to-roll manufacturing of electronic writing tablets Members Public

Boogie Board® Writing Tablets are pressure-sensitive writing surfaces used for doodling, notetaking, lists and drawing with a pen-on-paper feel and electronic erase. These electronic writing tablets reflect ambient light back to the user and are bi-stable so that energy from the battery is used only to erase the displayed writing.

Alex Nevels
Converting Quarterly