Crash Course in Unconventional Electronics with Columbia University's John Kymissis
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What are thin film electronics? John Kymissis, who leads the Columbia Laboratory for Unconventional Electronics, takes us on a crash course at the inaugural meeting of Geek of the Month, presented by NYC Media Lab and WNYC's New Tech City. See what people are saying about Geek of the Month on Twitter: #nycgeek Learn more about NYC Media Lab at nycmedialab.org Learn more about New Tech City at wnyc.org/newtechcity
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Semiconductors are materials that conduct electricity between conductors and insulators. Silicon is the most common semiconductor used in electronics due to its properties. Semiconductors are key components in computing, communications, and other electronic devices. They conduct electricity through mobile molecules that carry electrical charge across the material. Semiconductors are used to make components like transistors and diodes, as well as solar cells, lasers, and other electronic devices. The process of forming semiconductor films is relatively simple in principle but requires theoretical understanding and modeling to improve quality.
transientelectronics-170920070624.pptx
This document provides an overview of transient electronics. Transient electronics uses materials that are capable of disappearing after a period of stable operation. Current research is exploring using transient materials like silicon, zinc oxide, magnesium, and silk to create devices like transistors, resistors, and diodes that can fully dissolve over time. These transient devices have applications in healthcare, the military, and to reduce electronic waste. Advantages include being eco-friendly and reducing unwanted electronics, while disadvantages are limited size and customization needs. The future of transient electronics is promising for enhancing quality of life while minimizing environmental impact.
Density based-traffic-light-control-system project-2 (3)
This document describes a density based traffic control system that uses sensors and a microcontroller to dynamically adjust traffic light timing based on current traffic conditions. It includes sections that describe the objective to reduce traffic congestion, block diagram of the system components including sensors, microcontroller and lights, hardware such as the microcontroller and sensors, software used for design and programming, advantages like reduced traffic and time savings, and applications for improving traffic flow. The conclusion states that adopting this density based system could help overcome limitations of current time based traffic control systems.
Opticalcomputing final
The document discusses optical computing technology as an alternative to traditional electronic computing. It notes that optical computing was researched in the 1980s but work tapered off due to materials limitations. Light is well-suited for computing due to its speed, ability to be manipulated, and suitability for parallelization. Optical computing could solve miniaturization problems and allow data to be processed in parallel. Key components discussed include vertical cavity surface emitting lasers, smart pixel technology, wavelength division multiplexing, and spatial light modulators. The document outlines some advantages and challenges of optical computing.
All optical circuits and for digital logic
The document discusses using light instead of electricity for digital logic circuits to overcome limitations of miniaturized electronic systems. It proposes that optical switching speeds could exceed electrical switching and have very low power consumption. Photonic crystals that selectively allow or block wavelengths could be used to efficiently channel and manipulate light for all-optical digital devices. Specifically, electro-optic devices have been made using opals and inverse opals that can tune photonic crystals by changing their behavior in an electric field, and all-optical circuits could theoretically operate faster than electro-optic circuits since they would not require converting between light and electricity.
Optical Computing
1) The presentation discusses optical computing, which uses photons in light beams rather than electric currents to perform computations. It has advantages like speed, easy manipulation of light, and suitability for parallelization.
2) Optical computing is developing in two directions - hybrid systems that use optics alongside existing computer architectures, and new optical-only computers. Key components discussed include VCSEL lasers, smart pixel technology, and WDM for sending multiple wavelengths through a single fiber.
3) Potential benefits of optical computing include much higher speeds, smaller size, higher bandwidth, and less heat generation compared to electronic computers. However, challenges remain around high power needs, interference effects, and cost of optical
Ele cproject final
This document provides an overview of nanoelectronics. It defines nanoelectronics as a branch of engineering that uses electronic components with dimensions measured in nanometers. The document discusses how nanoelectronics can be used to reduce the size of electronic devices. It also outlines several applications of nanoelectronics in electronics, energy, and displays. Finally, it discusses future opportunities for nanoelectronics in areas like flexible electronics, wireless devices, and molecular devices.
Flexible and stretchable electronics
Flexible and stretchable electronics can conform to non-linear shapes and enable new form factors for computing devices. Stretchable electronics uses elastic substrates and manufacturing techniques like silicon islands or buckling mechanisms to allow stretching. Flexible electronics mounts electronic devices on flexible plastic substrates and uses roll-to-roll processing. Flexible hybrid electronics combines flexible and rigid components on flexible substrates to overcome performance limitations of purely flexible electronics. Potential applications include electronic patches and brain-machine interfaces.
Flelectronic
Flexible electronics are a new type of electronics that are flexible like human skin, unlike traditional rigid circuits. They are made by mounting electronic devices on flexible plastic substrates using techniques like transfer bonding or direct fabrication. Flexible electronics have applications in smart cards, electronic paper, displays, and wearable devices. They offer advantages like thinner profiles, lighter weight, and better energy efficiency compared to rigid circuits. However, flexible electronics also face challenges like higher costs and the need for precision manufacturing methods. With continued advances, flexible electronics are expected to greatly impact the electronics industry and enable new applications.
Know the Advantages of Altera Integrated Circuits Distributor.pdf
Altera Integrated Circuits Distributor:
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This document discusses active-matrix organic light-emitting diode (AMOLED) displays. AMOLED is a type of OLED display technology that is becoming more common in mobile devices. It consists of only 3 layers - a backplane with thin film transistors, an organic light emitting diode layer, and a cathode. The thin film transistors control the current to each pixel to light it up. AMOLED displays are thinner, more flexible, and use less power than LCD displays, but have shorter lifetimes and lower efficiency of blue OLED materials.
final-170505144808 (1).pptcsssssssdddddjjx
This document provides an overview of organic electronics. It discusses topics like conductive organic materials, advantages and disadvantages compared to inorganic electronics, and applications such as OLEDs, OFETs, and organic solar cells. The applications section describes uses in displays, lighting, biosensors, electronic skin and paper. The document also discusses the future potential of organic electronics in areas like transparent devices, plastic solar cells that can be printed on surfaces, and smart textiles integrated with electronic devices.
basic vlsi ppt
This document provides an overview of VLSI (Very Large Scale Integration) and its applications. It discusses the history of integrated circuits from their inception in the late 1940s to today's advanced nanoscale technologies. Key topics covered include Moore's law of transistor scaling, digital circuit design challenges, CMOS fabrication processes, and examples of how VLSI is used in various electronic systems and devices.
Optical Computing
Optical computing uses light instead of electricity to perform computations much faster than traditional electronic computers. It offers several advantages like speed, easy manipulation of light, and inherent parallelism. Research is developing optical computers using electro-optical hybrids or completely optical architectures. Key components being developed include vertical cavity surface emitting lasers, smart pixel arrays, and wavelength division multiplexing to improve bandwidth. While optical computing promises great speedups, challenges remain in developing robust, low-power optical materials and components to build practical consumer devices. Continued research aims to overcome these challenges and fully realize the potential of optical computing.
Moletronics or molecular electronics - technical seminar
Molecular electronics is an emerging technology that uses individual molecules as electronic components like diodes and transistors to build circuits. It works by manipulating molecules so they function together electronically. Materials used include organic polymers, polyphenylene chains, carbon nanotubes. Advantages over conventional electronics include smaller size and lower costs, while challenges remain in controlled fabrication at the molecular scale. Potential applications include molecular sensors, switches, memory storage that could revolutionize computing.
ORGANIC ELECTRONICS
I think it will help the beginners who are much not aware of this topic.This is a complete presentation about organic electronics.That have contain all the topics which i think would be very helpful mostly for engineering students and there are many pictures and no names in the slides so students can easily download it and paste it for their college presentation.
Kamna
The document provides an overview of optical computing. It begins with an introduction that describes how optical computing uses photons rather than electric current for computations. It then discusses two approaches for optical computing - electro-optical hybrids that combine optics with traditional computer architectures, and an all-optical approach. Key benefits of optical computing are also summarized, such as speed, parallelization, and bandwidth. Important optical components like VCSELs, smart pixels, and WDM are described. The document concludes by discussing future trends and research in optical computing.
Intel CPU Manufacturing Process
Various Steps involved in Manufacturing the CPU (Intel Manufacturing Process) are elaborated in this presentation
SPEED CHECKER AND OVER SPEED DETECTION FOR HIGHWAYS
1. The document describes a project to detect overspeeding vehicles on highways using sensors. It involves using two IR sensors placed 100m apart to calculate the speed of passing vehicles and detect any exceeding the speed limit.
2. A microcontroller is used to measure vehicle speeds detected by the IR sensors and control the speed display and alarm. It will show the vehicle's speed on an LCD and sound a buzzer if the speed limit is crossed.
3. Power supply, transformer, microcontroller, LCD display, LEDs, and buzzer components are involved in the speed detection and overspeed alert system. The system aims to reduce accidents caused by drivers ignoring highway speed limits.
Automatic streetlight
Automatic streetlights use a photocell and transistor circuit to detect low light levels and switch streetlights on at dusk and off at dawn. When light levels are high, the photocell allows current to flow through the transistor, keeping the lights off. When it gets dark, there is no current and the lights turn on automatically. This helps conserve energy by only powering the lights when needed. The system can save over 40% of the electrical energy used for street lighting. While initial costs may be high, the long-term energy savings and minimal maintenance requirements make automatic streetlights an effective way to save money while helping the environment.
Similar to Crash Course in Unconventional Electronics with Columbia University's John Kymissis (20)
Density based-traffic-light-control-system project-2 (3)
Density based-traffic-light-control-system project-2 (3)
Know the Advantages of Altera Integrated Circuits Distributor.pdf
Know the Advantages of Altera Integrated Circuits Distributor.pdf
Moletronics or molecular electronics - technical seminar
Moletronics or molecular electronics - technical seminar
SPEED CHECKER AND OVER SPEED DETECTION FOR HIGHWAYS
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- 1. Electronics on Anything Ioannis (John) Kymissis Department of Electrical Engineering Columbia University johnkym@ee.columbia.edu http://kymissis.columbia.edu
- 2. Transistors • Transistors are the core of electronic systems • They are switches • Transistors let us do math, but can also be used for power handling and other functions Bohr, IEDM 2011
- 8. Moore’s law As dimensions shrink: More parts Better performance
- 9. Silicon is amazing, but… • Is there more to electronics than just really tiny, really fast chips?
- 10. What else is out there? • Thin film electronics are different… • We add semiconductors (as thin films) to other materials • This gives us the power to put electronics on (nearly) anything (top) CMOS Digital Integrated Circuit Design – Analysis and Design by S.M. Kang and Y. Leblebici
- 11. Thin film electronics as a toolbox
- 12. Most important market - $150B market • AMLCD – liquid crystal displays start with a piece of glass and have millions of thin film transistors on them METAL-1 METAL-2 Doped SiRGB Pixel 115x115um ITO contact via leftover ITO Storage cap. TFT 6th Gen iPod Nano, courtesy Alexander Gondarenko
- 13. Transistors + Piezoelectric film = Active matrix microphone Collaboration with Lisa Olson (CUMC)
- 14. Touch: Piezo sensing using PVDF l First disovered by Kawai in 1969
- 15. Active matrix process flow • Low thermal budget respects Curie point • Both local amplification and switching can be integrated • Metal gate can be included or omitted
- 16. Changes to the process and structure… Printing TIPS pentacene Dual Vt flow
- 17. Boundary layer flow measurements
- 19. Cochlear microphone version Zhang, Kymissis, Olsen. ARO 2014
- 20. Transistors + Electrostrictive polymer = Polymer muscle
- 21. Electrostrictors for mechanical actuation PVDF-TrFE-CTFE sheet achieves a strain of ~5%, but is driven at ~500V Carta, ICFPE 2012
- 22. Let’s add some transistors!
- 23. Bimorph Actuator – p - OFET n-OFET Vdd GND Actuating Electrodes Carta, Organic Electronics (accepted, 2012)
- 24. Low-voltage electrostrictor control • CMOS OFET level shifter allows control using CMOS-compatible control voltages • Actuation applies 400V, control <<30V • We have also designed several actuators for precision positioning using this technology
- 25. Organic light emitting diodes (OLEDs) + Organic photodetectors (OPDs)= Blood flow monitor Collaboration with Hongtao Ma and Ted Schwartz (Cornell Med)
- 26. • The brain is very tightly vasoregulated • In a seizure, there is a typical pattern of blood flow: deoxygenation, flow response, re-perfusion/re- oxygenation • The optical resolution of this response is better than 100um
- 28. Recrystallized transistors + LEDs = Ultra-bright display Vincent Lee (Lumiode) James Im (Columbia)
- 29. AMLED Projector project • LEDs together with laser recrystallized silicon can create a projection display with performance far exceeding that of any other light engine • Driving those LEDs needs a lot of current sourcing capability (~10A/ cm2)
- 30. Thin film transistor + LED LEDTFTs
- 31. Conclusions • Silicon electronics are great, but limited in what they can do • Thin film electronics allow us to build electronics on anything thanks to their low thermal budgets and relaxed need for templating, etc. • With this hybrid integration approach, we can mix and match the functionalities we need (especially array control, switching, sensing, and amplification) to build the systems of the future
- 32. The team Ph.D. students:, Jon Beck, Hassan Eddress, Shyuan Yang, Fabio Carta, Amrita Masurkar, Kostas Alexandrou, Willis Kim, Jose Banhomide, Aida Colon Alumni: Zhang Jia (Apple), Eddy Hsu (Qualcomm), Vincent Lee (Lumiode), John Sarik (Xenix), Marshall Cox (Radiator Labs), Haig Norian (Kulite) Postdocs: Andy Zhang, Dr. Htay Hliang Collaborators: Ken Shepard (FBAR), Peter Kinget, Ted Schwartz (Cornell), Asit Ray (IBM), Chung Lam (IBM) Funding and industrial partners: NSF, CU NSEC, DOE EFRC, AFOSR, QDVision, SRC, MARCO, Google, US Army, Vodaphone Foundation, DARPA, ARPA-e, IBM, DTRA, QEL, and eMagin udacomm