Maximilian Germann | THIEME: How do you feed and handle ultra-thin 50-micron polymer films without double-loading or damaging the substrate?
00:03:32 - 00:05:07
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How do you achieve flawless, high-speed substrate separation and micro-scale registration when handling highly sensitive, ultra-thin functional films?
Industrial screen printing of printed electronics demands precision during material handling to prevent substrate deformation and static cling. Advanced feeders resolve these challenges using adjustable vacuum-assisted pick-and-place mechanisms designed for delicate media like thin polymer films, specialized papers, and aluminum foils. By utilizing adaptable loading configurations—including manual stacking or palletized loading via hand pallet trucks—manufacturers can seamlessly integrate these systems into production lines while maintaining substrate integrity.
To ensure the tight registration required for multi-layer printed electronics, precise mechanical alignment must begin at the lifting platform. Modern handling systems employ mechanical alignment mechanisms to position the incoming pallet, allowing substrates to be processed with left, right, or center-justified orientation. This flexibility, combined with pneumatically locked back stack positioners and pneumatic pushers, guarantees that the substrate stack remains in constant, precise pre-alignment prior to gripper engagement.
Static electricity and surface adhesion are major failure points when separating thin, flexible substrates. To mitigate these forces, feeders deploy integrated ionized air blowers along adjustable side guides and back positioners to neutralize static charges and facilitate clean separation. Coupled with specialized vacuum grippers that lift both the front and trailing edges of the material simultaneously, this dual-action technology ensures failure-free, continuous feeding of critical substrates, including ultra-thin 50-micron polyethylene films.
In this short video, you can learn:
* How adjustable vacuum pick-and-place feeders handle sensitive substrates like thin films and aluminum sheets without damage.
* The role of mechanical alignment platforms, pneumatic pushers, and versatile feeding orientations in maintaining tight registration.
* How ionized air blowers and dual-edge vacuum lifting prevent feeding failures on challenging 50-micron polyethylene films.
📋 **Clip Abstract** This video demonstrates the technical capabilities of an advanced substrate feeder designed for high-precision printing applications requiring tight registration. The speaker explains how the system utilizes mechanical alignment, pneumatic positioning, ionized air blowers, and specialized vacuum grippers to ensure the damage-free separation and feeding of sensitive substrates, down to 50-micron polyethylene films.
🎤 Speaker: Maximilian Germann
🏢 Company: THIEME
📅 Event: Additive, Sustainable or 3D Electronics Innovations Day 2025
📍 Location: TechBlick Online Platform
🌐 Learn more at the next TechBlick event: https://www.techblick.com
#UltrasonicDoubleSheetDetection, #ThinFilmHandling, #ParallelVacuumLifting, #StaticNeutralization, #PrintedElectronics, #PrecisionScreenPrinting
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00:06:07 - 00:07:25
Why is independent, programmable peel-off control crucial for scaling high-viscosity functional ink printing?
Why is independent, programmable peel-off control crucial for scaling high-viscosity functional ink printing?
Deposition of functional materials like graphene, carbon nanotubes, or conductive silver pastes demands ultra-precise control over fluid and screen dynamics. Traditional screen printers link the screen lift directly to squeegee position, which can cause substrate sticking, mesh dragging, and uneven film thickness. A servo-driven screen lift breaks this limitation by decoupling these two parameters.
This technical segment introduces a programmable peel-off system where the peel height and start point are entirely customizable. Users can program the peel-off to start separately from the squeegee stroke, allowing the screen mesh to detach cleanly behind the contact line. This dynamic calculation optimizes the screen release angle, which is critical for preserving fine-line printing structures.
Additionally, a servo-controlled squeegee drive ensures exceptionally smooth lateral travel, even when operating under high pressure or at ultra-low speeds. This level of physical control is essential for managing the non-Newtonian shear-thinning behavior of advanced 2D material inks during the screen-flooding and printing cycles.
In this short video, you can learn:
* The benefits of a servo screen lift featuring programmable peel height and decoupled start points.
* How the system automatically calculates and programs the maximum available peel-off per squeegee distance.
* The impact of a servo-driven squeegee on maintaining stable high-pressure, low-speed ink transfer for advanced fluids.
📋 **Clip Abstract** This clip explains the advanced print head mechanics of the Thieme 3000, focusing on its programmable servo screen lift and servo squeegee drive. It demonstrates how independent control over peel-off height and speed prevents print defects when working with sensitive functional inks.
#ServoScreenLift, #ProgrammablePeelOff, #HighViscosityInks, #SqueegeeDynamics, #PrintedElectronics, #FlexibleElectronics
00:09:18 - 00:10:08
Can machine vision completely eliminate manual registration adjustments in multi-layer printed electronics?
Can machine vision completely eliminate manual registration adjustments in multi-layer printed electronics?
Multi-layer printed electronics require absolute spatial accuracy across successive printing steps to ensure electrical continuity and device performance. Manual alignment by operators introduces variability, increases setup times, and leads to expensive material waste. Automated visual correction systems solve this by establishing a real-time closed-loop feedback system.
The Advanced Print Control (APC) system uses automated machine vision to align the second and all subsequent prints directly to the first deposited layer. Rather than relying on static mechanical stops, the system dynamically scans the substrate surface to correct for mechanical tolerances and material shrinkage between processes.
Available in two- or four-camera configurations, the APC system inspects up to all four corners of the printed substrate to verify registration accuracy. By checking registration after a programmed number of cycles, the printer maintains sub-40-micron precision autonomously throughout high-throughput production runs.
In this short video, you can learn:
* How the Advanced Print Control (APC) system automates registration for successive multi-layer prints.
* The configuration differences between two- and four-camera inspection for verifying substrate corners.
* How closed-loop registration checking reduces operator intervention, setup time, and scrap material.
📋 **Clip Abstract** This clip details the Advanced Print Control (APC) system, an innovative machine vision option for the Thieme 3000 Vision AL. It shows how the system automates multi-layer registration to eliminate manual operator corrections and reduce scrap.
#AdvancedPrintControl, #MachineVisionRegistration, #ClosedLoopAlignment, #MultiLayerPrintedElectronics, #PrintedElectronics, #PrecisionScreenPrinting