Title: A thin-film microprocessor with inkjet print-programmable memory
Authors: Myny, Kris ×
Smout, Steve
Rockele, Maarten
Bhoolokam, Ajay
Ke, Tung Huei
Steudel, Soeren
Cobb, Brian
Gulati, Aashini
Gonzalez Rodriguez, Francisco
Obata, Koji
Marinkovic, Marko
Pham, Duy-Vu
Hoppe, Arne
Gelinck, Gerwin
Genoe, Jan
Dehaene, Wim
Heremans, Paul #
Issue Date: 10-Dec-2014
Publisher: Nature Publishing Group
Series Title: Scientific Reports vol:4
Article number: 7398
Abstract: The Internet of Things is driving extensive efforts to develop intelligent everyday objects. This requires seamless integration of relatively simple electronics, for example through `stick-on' electronics labels. We believe the future evolution of this technology will be governed by Wright's Law, which was first proposed in 1936 and states that the cost of a product decreases with cumulative production. This implies that a generic electronic device that can be tailored for application-specific requirements during downstream integration would be a cornerstone in the development of the Internet of Things. We present an 8-bit thin-film microprocessor with a write-once, read-many (WORM) instruction generator that can be programmed after manufacture via inkjet printing. The processor combines organic p-type and soluble oxide n-type thin-film transistors in a new flavor of the familiar complementary transistor technology with the potential to be manufactured on a very thin polyimide film, enabling low-cost flexible electronics. It operates at 6.5 V and reaches clock frequencies up to 2.1 kHz. An instruction set of 16 code lines, each line providing a 9 bit instruction, is defined by means of inkjet printing of conductive silver inks.
ISSN: 2045-2322
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Technologiecluster ESAT Elektrotechnische Engineering
Electrical Engineering (ESAT) TC, Technology Campus Diepenbeek
Supporting Services Campusmanagement Science, Engineering and Technology
× corresponding author
# (joint) last author

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