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Department of Digital Printing and Imaging Technology
Equipment

Equipment

Inkjet

Inkjet Technology
(FUJIFILM-Dimatix DMP 3000)

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The piezoelectric inkjet printing system from Fujifilm Dimatix acts as the interface between laboratory testing and industrial production. The basic features of the system which it shares with the DMP 2831 are enhanced so that inks can be optimized on industrial scale and complex print patterns can be generated.

Contact: Dr. rer. nat. Andreas Willert

2x Inkjet Technology
(FUJIFILM-Dimatix DMP DMP2831)

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The piezo-inkjet laboratory printing system from Fujifilm Dimatix is ideally suited for the development and optimization of novel functional materials and applications. General small-scale tests of printability can be realized as well as distinct print patterns. Individually adjustable print parameters and various additional funktions provide a broad test spectrum.

Inkjet test station with XAAR 126/50 printhead

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The xyz positioning system is an extremely flexible and nonetheless positionally accurate axis system from Newport which is currently fitted with a Xaar 126/50 printhead. As a whole, it forms an ideal basis for tests of printability of rigid and flexible substrates. Furthermore, the modular setup allows for the employment of different types of single-nozzle and multi-nozzle printheads.

Contact: Enrico Sowade M. A.

Inkjet test station XAAR 1001

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The inkjet test station Xaar 1001 with the Hydra ink supply system is integrated into the gravure printing system LaboMAN. The external ink supply makes it possible to personalize gravure printed structures and to study the flight characteristics and the landing behavior of drops on moving substrates.

Contact: Enrico Sowade M. A.


XY Materials Depositioning System 2.0 (iTi)

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Employing the xy-inkjet system developed by iTi, Mbraun and Dimatix, printed applications can be pre-industrially realized in an inert atmosphere. The system uses four industrial printheads equipped with piezo crystals from Spectra. Different fixtures and fittings allow accurate printing under different conditions.

Contact: Dr. rer. nat. Andreas Willert, Enrico Sowade M. A.

Autodrop System AD-E
(Microdrop Technologies)

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The xyz-inkjet system from Microdrop Technologies is a single nozzle system which is characterized by a high degree of flexibility. High accuracy and variability regarding the print image as well as chemically stable glass ink reservoirs and nozzles turn this inkjet printer into one of the most important test stations in the area of research and development but also for industrial applications.

Contact: Dana Weise M. Sc., Enrico Sowade M. A.

Hybrid Printing Systems

Hybrid printing systems LaborMANgravure

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The roll-to-roll laboratory printing system by manroland is equipped with a gravure unit including doctor blade, a web cleaning unit, a corona, two drying units (each 10 m drying length) and a optical quality control unit. Additionally a inkjet head XAAR 1001 is integrated. Different processing tests can be performed up to 2,5 m/s with a variety of flexible substrates and inks.

Contact: Anh-Tuan Tran-Le

Gravure printing test station IGT G1-5

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The gravure printing test station IGT G1-5 is suitable for tests of printability of substrates and inks. The easy handling of the device enables the determination of different processing parameters within a very short time and without great effort. With up to 1.0 m/s and a printing force of maximum 1000 N substrate with up to 4 mm thickness can be printed. The maximum printing width is to be 45 mm and the maximum printing length is to be 2x200 mm.

Contact: Dr. rer. nat. Andreas Willert, Anh-Tuan Tran-Le

Hybrid printing systems microFLEX

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The web-fed press microFLEX built by 3D-Micromac AG is a modular system for the integration of several printing techniques as well as post press processes for the application of different materials on flexible substrates. The modular design allows the combination of conventional and digital printing techniques such as gravure and inkjet into one printing system. This hybrid-system not only incorporates the advantages of different printing techniques but with the integration of post press processes such as laser systems also the possibility of a direct post processing of the printed layers.

Contact: Prof. Dr. Reinhard Baumann

Screen Printers

Screen-Printing Line

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The screen printing line consists of the large-format, semi-automatic, sheet-fed screen printer EKRA E1-XL including a positioning system and the continuous-flow dryer 3D microDRY. The combination of these systems represents a pilot plant for the manufacture of printed batteries.

Contact: Dr. rer. nat. Andreas Willert, Dr.-Ing. Ralf Zichner

Screen Printer Alraun AT301

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The semiautomatic screen printer which is able to handle small amounts of sheet is mainly suitable for first printing experiments with new materials. Flexibility of substrates and inks enables producing printed batteries or RFID-antennas.

Treatment Systems

microSTRUCT ns1060 (3D micromac)

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The ytterbium fibre laser meets the constantly changing requirements in research due to a freely configurable user interface. Its flexibility, high processing speed and repeatability allow the utilization of the laser for refinement of printed functionalities or industrial use.

Contact: Dr. rer. nat. Andreas Willert, Anh-Tuan Tran-Le

Measuring Systems

Scanning electron microscope including EDX (Hitachi)

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he scanning electron microscope TM-1000 from Hitachi is used for the analysis of materials and surfaces thereof. Structures such as printed layers can be analyzed with up to 10,000-fold magnification while easy handling and the omission of time-consuming sample preparation steps permit a prompt data analysis.

Contact: Dr. rer. nat. Andreas Willert, Enrico Sowade M. A.

Dektak profilometer

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The profilometer Dektak 150 by Veeco is a measuring system for mapping surface topographies, for example, of printed layers. Profile textures can be displayed in 2D or 3D with up to 120,000 points per scan. An air-damped sample stage and different test prods enable high precision measurements.

Contact: Dr. rer. nat. Andreas Willert, Dr.-Ing. Ralf Zichner

Climate chamber (Feutron)

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The Feutron climate chamber KPK 200 is a system to simulate certain climate conditions. Samples can be exposed to changes in temperature and/or humidity and sunlight to determine their behavior. With a microcomputer checking routines can be controlled. In the process up to 98 % relative humidity and temperatures between -75 °C and +180 °C are possible.

Contact: Dr.-Ing. Ralf Zichner

Vacuum oven

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The vacuum oven VT 6060 from Thermo Scientific is a system for drying under vacuum conditions. A self heating shelf floor enables a heating up to 300 °C with a minimal pressure of 0.01 mbar (hPa). The handling of solvent-based materials is possible because of an integrated safety installation.

Contact: Dr. rer. nat. Andreas Willert, Dr.-Ing. Ralf Zichner

Potentiostat / Galvanostat VMP3 (Biologic)

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The multi-channel system from BioLogic includes a potentiostat, a galvanostat and an integrated impedance spectroscopy system. Printed batteries or fuel cells as well as corrosion can be investigated with up to 16 channels.

Contact: Dr. rer. nat. Andreas Willert, Dr.-Ing. Ralf Zichner

Manual probe system PM5 (Süss Microtec)

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The manual probe system PM5 is used for the determination of different electrical properties of printed functionalities or layers. Above the adjustable sample stage a microscope is attached, which enables an exact positioning of the measuring heads PM100 on the samples to be characterized. Up to 8 measuring heads can be employed simultaneously.

Contact: Dr. rer. nat. Andreas Willert, Dr.-Ing. Ralf Zichner

Rheometer Physica MCR (Anton Paar)

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The oscillatory and rotary rheometer from Anton Paar is a main measurement system for determining rheological properties of fluids and inks. With cone or plate, tempering unit and solvent hood it is possible to characterize a variety of inks regarding their flow behavior. Additionally, different measuring routines guarantee the determination of other rheological parameters.

Contact: Dr.-Ing. Ralf Zichner

Light microscope Leica DM4000

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The light microscope DM4000 from Leica is a research microscope including a 6-objective turret which enables up to 1000-fold magnification. Samples can be imaged using common lightning and contrast procedures. The corresponding software is used for measuring the captured images and archiving the results.

Contact: Enrico Sowade M. A.

High Frequency Measurement

Network & Spektrum Analyzer
(ROHDE & SCHWARZ ZVL6)

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With the network and spectrum analyser ZVL6 from ROHDE & Schwarz HF components such as antennae or filters can be measured and characterized with high precision. Thereby the system covers the whole frequency range up to 6 GHz.

Contact: Dr.-Ing. Ralf Zichner

Signal Generator
(ROHDE & SCHWARZ SMA 100A)

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The analog signal generator SMA 100A from ROHDE & Schwarz is able to create and modulate signals in the frequency range of 9 kHz to 6 GHz. In addition to different measuring methods, it is particularly useful for the determination of the directivity of antennae.

Contact: Dr.-Ing. Ralf Zichner

UHF RFID Reader System (Sirit INfinity 510)

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The RFID reader Infinity 510 from sirit is a high performance characterization system for reading out UHF RFID transponders in the frequency range of 860 to 960 MHz. Standardized protocols such as EPCglobal Gen 2 / ISO 18000-6C ISO 18000-6B and others are supported.

Contact: Dr.-Ing. Ralf Zichner

HF-Anechoic Chamber

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The HF-anechoic chamber, which exhibits faradic properties when closed, enables high-frequency measurements free of jamming sources and reflections. Starting with a frequency of 30 MHz, the absorbers mounted to the inner walls of the chamber can absorb electromagnetic waves. Highly accurate measurements of HF applications such as antennae or filter are possible.

Contact: Dr.-Ing. Ralf Zichner

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