Liz Josephson | Intellivation: Can your R2R process handle flexible glass, metal foils, and nonwovens in the same machine?

Can your roll-to-roll vacuum deposition system seamlessly pivot from flexible glass to nonwoven fabrics without catastrophic web tension or thermal failure?

Integrating heterogeneous flexible materials into active electronic, optical, or energy storage device architectures demands an incredibly adaptive roll-to-roll vacuum deposition framework. Transitioning from high-tensile flexible metals and ultra-thin glass to delicate polymer films and porous nonwoven fabrics requires precision web handling, thermal management, and robust, reversible deposition zones to prevent substrate degradation.

Conventional PVD tools are often limited by rigid substrate specifications, leading to web breakage or non-uniform coatings when processing atypical materials. Addressing this requires a highly ergonomic and fully reversible dual-drum design capable of accommodating multiple deposition zones in a single pass, allowing complex multi-layer configurations without breaking vacuum.

By implementing customizable planar and rotatable magnetrons alongside precise web tension controls, manufacturers can execute complex, multi-pass coatings on substrates wound on standard cores. This degree of versatility is critical for accelerating the commercialization of next-generation batteries, flexible solar cells, and advanced aerospace composites.

In this short video, you can learn:
* The critical role of fully reversible web transport mechanisms in managing divergent mechanical properties of metals, glass, and ceramics
* How multi-zone vacuum configurations facilitate complex multi-material layer stacks in a single operational pass
* Overcoming the traditional mechanical and thermal boundaries of PVD on delicate polymer and fabric substrates

📋 **Clip Abstract** This clip examines Intellivation's flexible roll-to-roll vacuum deposition platform capable of processing diverse materials from flexible glass to nonwovens. It highlights how dual-drum architectures and reversible web-handling mitigate traditional PVD limitations.

Is your post-deposition handling causing microscopic ceramic fractures that completely destroy your vacuum-coated barrier performance?

Depositing thin-film barrier coatings on flexible substrates is only half the battle; the subsequent mechanical handling often dictates the actual performance of the final device. Because high-performance inorganic barrier layers like silicon oxides are inherently brittle ceramics, they are highly susceptible to microcracking under the mechanical stresses of winding, lamination, and encapsulation.

Furthermore, pre-existing sub-micron defects or particulates on the incoming substrate act as nucleation sites for exponential defect propagation through subsequent sputtered layers. This compounding defect growth compromises the structural integrity of the barrier layer, creating localized pathways for water vapor and oxygen ingress.

Achieving ultra-low water vapor transmission rates (WVTR) requires a holistic strategy combining strict substrate pretreatment, precise web tension control to prevent microcracking, and rapid inline encapsulation. Understanding that post-deposition processing often has a larger impact on barrier degradation than the vacuum deposition itself is critical for thin-film solar and flexible electronics developers.

In this short video, you can learn:
* Why mechanical handling and web winding induce critical microcracking in brittle inorganic barrier layers
* The compounding effect of substrate micro-defects and particle propagation on barrier performance
* Balancing vacuum deposition parameters with post-deposition lamination and encapsulation steps

📋 **Clip Abstract** This clip addresses the mechanical challenges of fabricating ceramic thin-film barriers on flexible substrates, highlighting how winding and handling generate performance-limiting microcracks. It emphasizes that post-deposition lamination and substrate cleanliness are often more critical than the vacuum step itself.

How can thin-film developers eliminate the high-risk, high-cost leap between rigid, discrete substrates and continuous roll-to-roll production?

In the vacuum deposition and printed electronics sectors, transitioning a process from discrete R&D substrates to continuous roll-to-roll (R2R) manufacturing represents a notorious scaling bottleneck. Traditionally, testing on discrete formats like glass slides or silicon wafers required entirely different deposition hardware than that used for flexible web processing. This hardware disparity introduces systematic variables, making it exceptionally difficult to replicate identical layer stacks and deposition dynamics when scaling up.

To bridge this gap, advanced vacuum deposition systems now utilize a specialized coating drum capable of securing discrete substrates directly onto its surface. By adhering sheets, glass slides, or silicon wafers to the drum, engineers can execute the exact process parameters of a continuous R2R application in a rapid, batch-style run. Once the discrete process is optimized, the system seamlessly transitions to a continuous roll configuration, ensuring the identical deposition environment and layer stack are maintained.

This dual-capability architecture is particularly critical for complex, multi-pass deposition applications where a web might undergo up to a thousand passes. Before committing to an intensive, multi-day production run on expensive polymer web materials, developers must guarantee the precision of each individual layer. Utilizing a single system to run both discrete pilot tests and high-pass R2R runs mitigates material waste and ensures absolute fidelity in multi-layer stack engineering.

In this short video, you can learn:
* How to bridge the gap between discrete substrate testing and continuous roll-to-roll vacuum deposition.
* The methodology for securing and processing sheets, glass slides, and silicon wafers on a continuous coating drum.
* How to de-risk long, multi-pass polymer web runs by verifying complex layer stacks on discrete materials first.

📋 **Clip Abstract** The speaker discusses how their unique vacuum deposition system can process both discrete substrates—such as sheets, glass slides, and silicon wafers—and continuous rolls on the same coating drum. This capability allows developers to verify precise multi-pass layer stacks on discrete samples before committing to long, high-risk polymer roll-to-roll production runs.

🎤 Speaker: Liz Josephson
🏢 Company: Intellivation LLC
📅 Event: Perovskite Connect 2025
📍 Location: Estrel Congress Centre, Berlin (Co-located with TechBlick's Future of Electronics RESHAPED show)

🌐 Learn more at the next TechBlick event: https://www.techblick.com