By Mark Miller, CEO, Coating Tech Slot Dies LLC Editor’s Note: Part 1 of this technical paper covered different aspects of tensioned-web over slot-die coating, such as elasto-hydrodynamic action, controlling parameters and the three most common variables of TWOSD: indent, span and tension. Process & design In addition to the standard variables to be adjusted, … [Read more...] about Tensioned-web over slot-die (TWOSD) coating: Part 2
2020 Quarter 1
Guidelines for coating quality, cost-effective products: Part 2
By Edward D. Cohen, Ph.D., president, Edward D. Cohen Consulting, Inc. Guidelines are the specific information intended to advise coating personnel on how to operate the specific process element with which they are involved. Part 1 of this paper presented the first of several functional elements, from R&D to scale-up. The next sections will cover the remaining elements, … [Read more...] about Guidelines for coating quality, cost-effective products: Part 2
The emerging trend of hybrid radiation curing
By Chris Davis, head of sales-Industrial Systems, IST America Introduction With the current interest in LED-curing technology, many converters are starting to explore this variant of radiation curing either as an alternative to traditional UV or taking the opportunity to review their current curing setups. While the LED platform has some interesting benefits and raises … [Read more...] about The emerging trend of hybrid radiation curing
Multi-tension-zone drive system for web handling: Part 1 Dry Commissioning
By Clarence Klassen, P.Eng., KlassENgineering, Inc. Editor’s Note: This is the first technical article in a two-part series discussing the commissioning of a web-handling line. Part 1: Dry Commissioning discusses the individual drives without the web. Part 2: Wet Commissioning discusses final commissioning of the line while running with the web and starting a process, such … [Read more...] about Multi-tension-zone drive system for web handling: Part 1 Dry Commissioning
Stretching the limits: Ultra-thin polymer film R2R metallization for capacitor applications
By Anye Chifen, Ph.D., senior technical executive, ENGICCS GmbH; and Eiichi Sasaki, Takayoshi Hirono, Kousuke Higashide and Wang Wei, ULVAC Editor’s Note: This technical article won the Best Paper Award for Vacuum Coating & Patterning at the premiere AIMCAL R2R Conference Asia, held in Daejon, South Korea, in May 2019. That event was co-organized by the Korea Research … [Read more...] about Stretching the limits: Ultra-thin polymer film R2R metallization for capacitor applications