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Read and Write Circuits for Ferroelectric Memory Using Printed Transistor Technologies
Linköping University, Department of Electrical Engineering, Integrated Circuits and Systems. Linköping University, Faculty of Science & Engineering.
2015 (English)Independent thesis Advanced level (degree of Master (Two Years)), 20 credits / 30 HE creditsStudent thesisAlternative title
Kretsar för Skrivning och Läsning av Ferroelektriska Minnen med Tryckta Transistorteknologier (Swedish)
Abstract [en]

Printed electronics holds the promise of adding intelligence to disposable objects. Low tem- perature additive manufacturing using low-cost substrates, less complex equipment and fewer processing steps allow drastically reduced cost compared to conventional silicon cir- cuits. Ferroelectric memories is a suitable technology for non-volatile storage in printed circuits. Printed organic thin film transistors can be used for logic. Another approach is to reduce the complexity of silicon manufacturing by substituting as many steps as possible for printed alternatives and substitute silicon wafers for cheaper substrates, one such process is printed dopant polysilicon. This thesis explores the possibility of designing circuits using these two transistor technologies for reading and writing ferroelectric memories. Both gen- eration of the voltage pulses necessary for memory operation from a lower supply voltage and the interpretation of the memory response as one of two states is investigated. It is con- cluded, with some reservations, that such circuitry can be implemented using the polysilicon process. Using organic thin film transistors only the latter functionality is shown, generation of the necessary voltage pulses is not achieved but also not completely precluded. 

Place, publisher, year, edition, pages
2015. , 160 p.
Keyword [en]
Printed electronics, Organic thin-film transistors, Printed dopant polysilicon, Ferroelectric memory
National Category
Other Electrical Engineering, Electronic Engineering, Information Engineering
URN: urn:nbn:se:liu:diva-119389ISRN: LiTH-ISY-EX--15/4832--SEOAI: diva2:839619
External cooperation
Thin Film Electronics AB
Subject / course
Integrated Circuits and Systems
2015-05-28, Systemet, Linköpings universitet, Linköping, 13:00 (English)
Available from: 2015-08-10 Created: 2015-06-15 Last updated: 2015-08-10Bibliographically approved

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Blomgren, Fredrik
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