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- Title
A thin-film microprocessor with inkjet print-programmable memory.
- Authors
Myny, Kris; Smout, Steve; Rockelé, Maarten; Bhoolokam, Ajay; Tung Huei Ke; Steudel, Soeren; Cobb, Brian; Gulati, Aashini; Rodriguez, Francisco Gonzalez; Obata, Koji; Marinkovic, Marko; Pham, Duy-Vu; Hoppe, Arne; Gelinck, Gerwin H.; Genoe, Jan; Dehaene, Wim; Heremans, Paul
- 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.
- Subjects
MICROPROCESSORS; INTERNET of things; ELECTRONIC equipment; THIN films; ELECTRONIC intelligence; THIN film transistors
- Publication
Scientific Reports, 2014, p1
- ISSN
2045-2322
- Publication type
Article
- DOI
10.1038/srep07398