digital fabrication a new manufacturing concept
DESCRIPTION
ÂTRANSCRIPT
� Manufacturing Printed Electronics
� Approaches to set up Digital Fabrication Lines
Digital Fabrication –
State of the Art in Chemnitz
Diginova Dissemination Event
@ Rapid Pro 2014
Eindhoven, February 26, 2014
Printing Beyond Color
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Lines
Reinhard R. BaumannChemnitz University of Technology
Chair of Digital Printing
Fraunhofer GesellschaftInstitute for Electronic Nanosystems Chemnitz
Business Unit Green & WirelessHead of Dpt. Printed Functionalities
The Vision Printed Smart Objects ���� Internet of Things
MemoryThin film memoriesPrinted memories
Silicon electronicsCommunication protocolMeasurement functionality
Digital logicOrganic FETsElectrolytic transistorsHigh frequency rectifiersPower amplifiers
communication with acomputer system
©2010 Thin Film Electronics AB
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
SensorsPressure sensorsKeyboards
DisplayElectrochromicElectrophoretic (e-ink)EL; OLED
Power sourcesBatteries; Solar cells;Fuel cells
Passive components
AntennaeUHF & microwave dipoles
printed keyboard
printed sensor
©2009 UCSD
printed signageelement printed power source
©2011 Fraunhofer ENAS
RFID technologynear field technology
Inkjet
Functionality
Formation
RFID
Printing Competencies in Chemnitz
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Inkjet
Technikum
Supra Balls
Machinery
Devices
µ Fluidics Energy Systems
virtu
al
Data
C A D
Digital Fabrication Process Chain
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
ink Pattern
Finishing
Product
physic
al
Substrate
physic
al
Digital PrintingLaser Patterning
TYPICAL DF TECHNOLOGIES
�DIGITAL PRINTING
Digital Fabrication Advantages
DIGITAL FABRICATION
� Efficient product run length ≥1
� Change over time ~0
� Small batch sizes up to industrial production
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
�DIGITAL PRINTING�LASER PROCESSING
�THEIR CHAINING�CHAINING WITH ANLAOGUE
TECHNOLOGIES
production
� Just-in-time production
� Smallest variation “on-the-fly”, i.e. for personalization and customization
Printing competence in Chemnitz
Chemnitz Inkjet Technikum ���� Lab2Fab
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Autodrop
Microdrop
1
XYZ
DMP3000
Dimatix
16 / 128
XYZ
XYZ-MDS
(iTi / mBraun / Dimatix)
4 x 256
XYZ
DMP2831
Dimatix
16
XYZ
SX
SE
D
INERT
Dimatix
XAAR
16 / 128
XYZ
Gravure Printing + Rotary Screen Printing +
Printing competence in Chemnitz
Chemnitz Inkjet Technikum ���� Lab2Fab
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
gravurMAN
(Xaar printheads)
1001
R2R
microFLEX
3DMicromac
multi-technology
web fed
microFLEX
(Dimatix SCANPAQ)
2 x 2 x 256
R2R
microFLEX:
the Copper Setup
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Coating Module Post Treatment Module
Material Deposition Drying Functionality Formation
Photonic Sintering
microFLEX: Our Copper Setup & Process
Shown @
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Screen/Inkjet Printing IR Drying Conductive Copper Pattern
2012
Digital Functionality Formation
Conventional Pulse Composite Pulse
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Equivalent energy but composite pulse maintains higher surface temperature
� Commercial Application: smart packaging
Printed Wireless Applications Multidirectional 3D Antennas @ 5.8 GHz for the Internet of Things
R. Zichner and R. R. Baumann. “3‐D transponder antennas for future SHF
RFID applications.” Advances in Radio Science, vol. 9, pp. 401‐405, 2011
Printed 3D Antenna manufacturing:
- planar printing (e.g. screen printing on paper substrate)
- folding
� 3D antenna structure
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Folding2 D 3 D
Silver, DS 20 µm
Silver, DS 20 µm
35 µm
Inkjet Printed TFT
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
• 5600 devices
• Yield 50 % so far
200µm
Printed Polymeric Microsieves
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Pore forming ink
Polymer solution
100 µm
100 µm
200µm
S. F. Jahn et al.: Inkjet fabricationmethod for polymer microsieves.Langmuir, 2009, 25 (1), 606–610.
… thank you for your attention
Partner of:
Dpt. Printed Functionalities
© Fraunhofer Prof. Dr. Reinhard R. Baumann © Fraunhofer ENAS 2014
Prof. Dr. Reinhard R. Baumann
Institute for Print and Media Technology
Dpt. Digital Printing and
Imaging Technology