Krishna Shenai, Ph.D.
Dr. Shenai has over 30 years of combined industry, research, academic, consulting and entrepreneurial experience with COMSAT Labs, General Electric Corporate R&D Center, Intel Corporation, The University of Wisconsin Madison, The University of Illinois - Chicago, Utah State University and the University of Toledo. Dr. Shenai has also served as an independent consultant for over 50 Fortune-2000 companies worldwide, and has testified in court on several occasions as an expert witness on matters related to intellectual property litigation. His expertise covers the physics and technology of semiconductor devices and integrated circuits used for signal and power processing, semiconductor manufacturing, low-power mixed-signal and RF/microwave electronics, power semiconductor devices and power electronics, power management, renewable energy and smart power grid, sensors and wireless communication networks, environmental sensing and ecosystem monitoring, medical devices and biomedical instrumentation, robotic surgery, and electronics system failure and reliability. He is a named inventor in 12 issued US patents and over 40 international patents, and has authored or co-authored over 350 peer-reviewed publications of which more than 100 are in IEEE journals. He has edited 3 books and contributed to 8 book chapters. He is a Fellow of IEEE, a Fellow of AAAS, a Fellow of IETE (India), a Distinguished Lecturer of IEEE Electron Devices Society, and a member of the Yugoslavian National Academy of Engineering. Dr. Shenai received his Bachelor of Technology degree in Electronics from Indian Institute of Technology - Madras in 1979, a MSEE degree from The University of Maryland - College Park, MD in 1981, and his Ph.D. degree in EE from Stanford University in 1986. View Full CV

1002
Expert has over 40 years of experience in the design of semiconductor products and has a Ph.D. in Computers and Communications. He has more than 10 patents in the areas of CMOS design, cryogenic memory, and memory addressing. He has over 25 engagements as a semiconductor expert witness. His notable career includes early work in the technical areas of color television, moving to solid state electronics, LEDs and photodiodes, developing major CMOS product lines, managing microprocessor business divisions, and new processors for mainframe computers. His later career history includes business and technical management for large and small corporations in the fields of microcontrollers, ASIC and RISC systems. Currently an independent consultant, he works with clients to assist their development, analysis, and launch of new semiconductor products. He has been heavily involved in advanced technology development, operations, applications, process, packaging, marketing and business planning across many different product lines.

• Intellectual Property Research
• Patent Analysis and Evaluation
• Prior Art Search
• Expert Witness
• Litigation Damage Analysis
• ITC Action Support
• Semiconductor Memory
• Microcontroller Technology
• Microprocessor Technology
• Embedded Processors
• RISC Processors
• Digital Circuits
• Analog Circuits
• ASIC
• IP Macros
• Megacells
• DRAM, SRAM. Flash, EEPROM
• IC Packaging
• Semiconductor Process
• Plasma Etch and CVD

1008
Expert has a Ph.D. in Semiconductor Physics and decades of industry experience in electro-optics and related display technologies from his career at IBM, Lockheed, and as an independent consultant. He has been the principal investigator of internally and externally funded programs, responsible for proposal writing, budgeting, project staffing, reporting and presentation of facts. He has previous expert witness experience from four engagements, and has seven patents.

• Electro-Optics
• Engineering Physics
• Fiber Optic Technology
• Laser Technology
• Liquid Crystal Technology
• Optical Signal Processing
• Polymer Sciences
• Semiconductor Physics

1012
Expert has a Ph.D. in Optics and Physics with over 30 years of industry experience spanning a broad range of laser, optical, and vision-based products for the commercial and military sector. Industries served include optical, electronic, medical, biomedical, and consumer products. He has consulted for dozens of client companies in these industries and has over more than ten patents. He has provided assessments of technology, patents, and company intellectual property issues and has been an expert witness on fourteen occasions.

• Electro-Optics
• Image Processing & Vision
• Laser Applications
• Laser Instruments & Technology
• Optical Devices, Displays
• Optical Gauging & Alignment
• Opto-Electronic Devices
• Opto-Mechanical & Scanning
• Photonics
• System Integration

1013
Expert has a Ph.D. in Electrical & Computer Engineering and over twenty years experience in high-speed fiber-optic and electronic component design and manufacturing, semiconductor fabrication, and device physics. His experience includes original theoretical and experimental contributions in the field of optical and microwave semiconductor devices, development of semiconductor device processes and equipment. He has fourteen patents and previous experience as an expert witness with testifying experience.

• Semiconductor lasers
• Microwave semiconductor diodes
• Light-emitting diodes (LED)
• Fiber-optics and devices
• Silicon and compound semiconductor device processing and process characterization
• Semiconductor processing equipment
• Mathematical modeling of electronic and opto-electronic devices, packages, and systems
• Microwave and high-speed optical test equipment and methods

1023
Expert has over 25-years of experience in technologies related to device physics and materials science. He has a proven record of original development and inventions that cover materials for displays, optoelectronics, integrated circuits and optical recording devices. In recent years, he has demonstrated leadership in assisting emerging new companies with issues related to technology and enterprise development.

• Device Physics
• III-V Materials
• Materials Science
• Optoelectronics
• Semiconductor Manufacturing
• Semiconductor Memory
• Superconductor Materials
• Superconductor Electronics
• Flat Panel Display Technology
• Thin Film Cathode Technology
• Optical Recording Technology

1025
Expert has extensive experience with storage devices, interfaces and file systems, including Hard Disks, RAID/Disk Arrays, Tape, Optical Storage (CD, DVD, WORM, Magneto-Optical), jukeboxes, Storage Area Networks (SAN), SCSI, iSCSI, Fiber (Fibre) Channel, IDE/ATA/ATAPI, USB, as well as with Server Blades. He has written device drivers and software and firmware under Windows/DOS, UNIX variants (including Sun and Silicon Graphics) and embedded real-time operating systems (RTOSs). Expert has been a software developer, project lead, industry analyst, seminar leader, technical marketer and technical writer. He has participated in nearly 50 conferences as a speaker, session chair and conference chair. He is experienced with various programming languages, including C, C++ and assembly. Expert has also been an expert witness and expert consultant in nearly 50 engagements involving patent, trade secret, copyright, class action and contractual disputes. These have drawn on over twenty years of experience in the storage industry and over thirty years of experience as a computer engineer, and have involved technology in the storage, IC CAD, software and hardware industries. He has written expert reports, been deposed, and has provided courtroom testimony at trial. His engagements have involved source code analysis and comparisons, object code disassembly, benchmarking, and computer media duplication, as well as forensic analysis on data storage devices and file systems using tools including EnCase.

• Device Drivers
• Embedded Firmware
• SCSI, iSCSI
• IDE/ATA/ATAPI
• Fiber (Fibre) Channel
• USB
• Real-time Operating Systems
• Optical Storage: CD, DVD, WORM
• Storage Area Networks (SAN)
• Disk Arrays/RAID
• Server Blades
• File Systems

1031
Expert has a Ph.D. and has over 30 years of experience in the areas of lasers, nonlinear optics, nonlinear spectroscopy, and EUV lithography (formerly Soft X-ray Projection Lithography). His professional career achievements include being a Distinguished Member of the Technical Staff for AT&T Bell Laboratories, and Principal Scientist for Components Research at Intel Corporation. He has made numerous contributions to the field of optics and photonics in the following areas of research and development: nonlinear optics; single-mode, Q-switched ruby lasers; optical parametric oscillators; distributed-feedback lasers; self-trapping of light; doppler-free, two-photon spectroscopy; nonlinear optical spectroscopy; laser processing of materials; resonance-radiation pressure on atoms; optical cooling of atoms (first demonstration of "Optical Molasses"); optical trapping of atoms (first demonstration). Expert has been an author of over 110 scientific publications and has been issued 15 patents. He has previous experience as an expert witness. Most of the work he carried out at Intel in the field of photolithography was not published externally.

• EUV, DUV, and Optical Lithographies
• Visible and EUV Optics
• Optical Cooling and Trapping of Atoms
• Resonance-Radiation Pressure
• Nonlinear Optics and Lasers
• Optical Parametric Oscillators
• Single-mode, Q-switched Ruby Lasers
• Self-Trapping of Light
• Two-Photon Spectroscopy
• Distributed-Feedback Lasers
• Nonlinear Optical Spectroscopy
• Laser Processing of Material

1039
Expert has a Ph.D. in Electrical Engineering from Stanford University with over 20 years of research experience. He has been a Professor of Electrical Engineering and Computer Science and Group Leader for Extreme UV Lithography at a major California university for over 10 years. His research interests include: deep sub-micron silicon VLSI technology, fabrication, and device physics; Extreme ultraviolet (EUV) lithography; Optical metrology; Interferometry and Fourier optics; and ultrafast carrier dynamics in electronic materials. He previously worked at AT&T Bell Laboratories for 13 years as a researcher and group leader responsible for optical and laser science, and later for creating technologies relevant to silicon IC manufacturing for a horizon of the next ten years. His numerous major research accomplishments include development of small nanometer gate-length MOSFET devices and MOS devices fabricated with ultraviolet lithography. He has 3 patents and has prior expert witness experience from 8 previous engagements.

• Device Physics
• Nanotechnology
• Laser Technology
• Microchip Fabrication
• Optics
• Semiconductor Physics
• Semiconductor Process
• VLSI Technology

1048
This expert has extensive expertise in surface analytical instrumentation and in both light and electron optics. This experience includes the design, development and production of diode array UV-VIS spectrometers, monochromatic X-ray photoelectron spectrometers (XPS), Auger electron spectrometers, and a variety of Scanning Probe instruments. The Scanning Probe instruments include Ballistic Electron Emission Microscopes, Atomic Force Microscopes and Critical Dimension Measurement systems. This expert`s primary research interests include the application of Electron Spectroscopy to the analysis of pragmatic materials, and the development of a physically rigorous approach to the interpretation of XPS and AES spectra of insulating samples. He has developed several experimental methods and technical innovations that enable the use and control of surface potential distributions to enhance the understanding of the surface structural chemistry of inhomogeneous insulating specimens.

• Electron Beam Technology
• Electron Optics
• Electron Spectroscopy
• Light Optics
• Metrology Instrumentation
• Scanning Probe Instrumentation
• Semiconductor Wafer Contamination
• X-ray Photoelectron Spectrometry

1050
This expert has a broad background in technology management, with extensive experience in both industrial research and academic research environments. He has over 35 years of technical and management experience in the development of opto-electronic materials and devices as well as a broad range of related electronic materials and devices. He was also Consulting Professor of Electrical Engineering at Stanford with special interest in advanced optoelectronics and information systems technology. His major industrial research experience spans more than 20 years at the Hewlett-Packard Company in Palo Alto, California, where he held a number of technical and management positions of increasing responsibility including Director of the Materials Research Laboratory in Hewlett-Packard Laboratories. In the latter position he was responsible for advanced research and development of a broad range of electronic and optoelectronic materials and devices, including LEDs, semiconductor lasers, fiber optic devices, and their subsequent commercialization. He has expert witness experience.

• Optoelectronics - materials, devices
• Compound Semiconductors
• GaAlAs, GaN, other III-Vs
• Silicon, SOI materials, devices
• Optical Storage
• Display - materials and devices
• High Speed Semiconductors
• Light Emitting Diodes, Diode Lasers

1064
Expert has over 20-years of experience in a variety of operational aspects of the telecommunications industry, including engineering, manufacturing, customer support, marketing, finance, and general management. He has experience with packet switching systems, time division multiplexing systems, access devices, as well as network management and monitoring systems. He is experienced in technologies involving voice, data, Fax, Video, and voice over data applications. Expert is also experienced in both Local Area Network (LAN) and Wide Area Network (WAN) technology, including the evolution of international telecommunications standards. His engineering experience includes responsibility for development projects in hardware, software, and firmware systems, including chip-level development in both CMOS and ECL technologies, board-level and system-level hardware designs in support of large-scale wide area data networks. He is experienced in maintenance and support considerations for both wide-area and local-area networks interconnecting numerous processing, storage, and communications devices. This includes experience in maintaining and supporting equipment at facilities where software is used to manage the exchange of information between remote and central site equipment. These networks often operated over dial-up lines where the connect charges for the communication facility represented a significant operational cost. Included in this architecture was the requirement to manage the connection based on the ability to distinguish between valid and invalid user identification information. These networks were installed and supported in large domestic as well as international voice and data networks. He has been involved on numerous occasions in discussions, research and/or negotiations regarding both strategic and operational aspects of patent and intellectual property rights. This involvement has included companies such as Motorola, Siemens, Lucent, NTT, Linear Technologies, Data General, M/A-COM (subsequently Hughes Network Systems), LSI Logic, and Republic Telecom. He is an experienced expert witness with numerous expert witness assignments.

• Digital Transmission & Switching
• Engineering Process Management
• Engineering Tools Management
• Fiber Optic Transmission & Terminal Equipment
• Hardware and Software Development Management
• LAN/WAN Networking Architecture & Technology
• Network Architecture and Design
• Network Validation Testing
• PCM (T1-T3)
• SONET
• Voice/Data Integration

1071
Expert has more than 25 years of experience CD-Rom technology, CD/DVD manufacturing technology and industry. Expert has prior expert witness experience.

• Authoring Tools
• CD/DVD Manufacturing Technology & Industry
• CD-R Technology
• CD-ROM Technology
• DVD Technology
• HTML & Apple OS
• Hypermedia Development
• Technical Writing & Editing
• Web Site Development

1073
Expert has over 15 years of extensive industry experience in Fiber Optic Cabling. His notable accomplishments include: designing and constructing four production facilities to manufacture fiber optic cable assemblies including off-shore facilities; developed training curricula and taught certification courses for fiber optic concepts, termination, and testing; created a training manual for fiber optic cable production; responsible for training and certification in fiber optic cable termination since 1988 including off-shore facilities; and designed and built the Multi-Cure oven for fiber optic epoxy curing.

• Fiber Optics for Communications
• Fiber Optic Cable Installation
• Fiber Termination Techniques
• Fiber Optic Cable Design
• Fiber Optic Cable Termination Techniques
• Fiber Optic Cable Termination & Installation Training

1080
Expert has over 30 years of leadership experience in computer storage system development, including rigid disk drives and magneto optical storage devices. Skills include in-depth understanding of all aspects of magnetic recording technology and storage system design. He is also an experienced university instructor with a proven success in technology introduction. He is an experienced expert witness with numerous expert witness assignments including deposition and trial testimony.

• Advanced Magnetic Recording Systems
• Magnetic Materials
• Magnetic Recording Systems & Architecture
• Magnetic Storage Systems
• Materials Science
• Rigid Disk Drive Technology
• Winchester Disk Drive Technology
• Optical and Magneto Optical Disk Drive Technology

1088
The expert has extensive experience with laser and optical systems, manufacturing process control, instrument design, analytical methods, and related techniques.

• Laser and Optical Systems
• Laser CVD Technology
• Laser Texturing
• Manufacturing Process
• Optical Inspection Mythology
• Rigid Disk Media
• Rigid Disk Surface Texturing
• Rigid Disk Teratology

1091
Expert has founded 3 companies and currently consults with various funding organizations in areas of photonic technology. His primary technical expertise is in photonic systems, including gigabit/second (Gbps) data communications and telecommunications network technology, high-speed fiber data communications modules and numerous fiber-optic devices. Expert has modeled, designed and tested passive and active guide-wave optical devices, couplers, coils, polarizers, transceivers and switches associated with high-bandwidth networks. His expertise includes device fabrication and automation, including the design of fixtures to fabricate complex photonic components and systems. He is conversant with basic electronic system architecture and design, including RF and high-speed signal and component engineering, including: design of fiber optic links for ATM, Fiber Channel, HIPPI, SCI, SONET and Gigabit Ethernet systems. Expert has been an active participant in International Standards bodies, including TIA, ANSI, NCITS and IEEE, including sitting on the organizing committee for the formation of the Fiber Channel Association.

• Device Fabrication & Automation
• Electronic Systems
• Fiber Optic Devices
• Fiber Channel
• Gigabit Ethernet
• Photonic Components
• Photonic Systems
• SONET

1107
Twenty-five years experience in microelectronics and optics research and development in the U.S. and in Europe. Record of visionary innovation in semiconductor device fabrication, micro-optics, optoelectronic packaging, integrated optoelectronic systems, display technology, and parallel computing architectures, underpinned by command over a wide and interdisciplinary base of skills. Strong record of scholarly publication and worldwide reputation in technology community. Leadership roles in high-profile, U.S.- and E.U.-based, government- and industry-funded, technology program development and implementation. Demonstrated ability in developing new enabling technologies into competitive product applications. Extensive intellectual property development and litigation support experience at the highest levels. Strong, results-oriented management and leadership skills.

• WDM transmission and switching
• Microelectronics fabrication processes
• Refractive and diffractive micro-optics
• Compound semiconductor devices
• Advanced packaging
• Classical and quantum optics
• Digital and analog VLSI design
• Signal processing
• Neuromorphic computing
• Low-cost, wafer-level manufacturing
• Materials processing
• Optical switching
• Display technologies
• Microfluidics structures
• Computer and memory architectures
• Guided-wave optics technologies
• Liquid crystal technology and components
• Thermomechanical design
• Optoelectronic integration and packaging
• Optical high-speed interconnection
• Micromachining
• Communication and information theory

1114
Expert has over twenty years of experience developing complex semiconductor circuits in the microprocessor, computing systems and telecommunications fields. He has spent most of his career at early stage/start-up high technology companies building teams, developing architecture and managing the intricacies of building a company from nothing more than an idea. Avoiding patent infringement and building patent portfolios have been key elements of the companies for which he has worked. He has expert witness experience.

• Microprocessor Architecture
• Multiprocessing Computing Systems
• Cache and Memory Subsystems
• Digital CMOS Circuits
• IO Channels
• High Pin Count/High Complexity ICs/ASICs
• Rapid IO, Fibre Channel, Infiniband and HyperTransport Busses
• SONET Communications Devices
• Optical Communications Devices
• Switching Architectures
• CMOS Circuit Artwork
• IC/System Interconnect Busses
• MEMs devices

1118
This expert has over 30 years experience in laser physics, laser applications, and optical systems. He is well published in his field and worked within both the public and private sectors. Although he spent the majority of his career working at the Lawrence Livermore Laboratory, he has spent the last 10 years as a consultant and litigation support expert.

• Lasers (all types), Electro-Optical and Optical Systems
• Lasers in Wafer Processing
• Lasers for Medical Applications
• Light Scattering and Optical Inspection methods
• Optical Chip Technologies using Waveguides, Diode Lasers & Optical Fiber Technology
• Modeling & Analysis
• Software & analysis for product performance and optimization
• X-Ray Projection Lithography
• UV Lasers for Fusion
• Laser System Design & Performance Optimization
• Laser Safety

1146
This expert`s 35-plus year career in industry and academia includes research, software and algorithm development, project management, pioneering medical equipment development, and nuclear medicine.

• Image Processing
• Graphics
• Algorithm Development
• Display Drivers
• 3D
• OpenGL
• Cameras
• DSP
• Machine Vision
• Telecommunications
• Semiconductor Inspection
• DNA imaging
• Medical Imaging
• Visualization
• Software management
• Software development
• Scientific software

1161
This expert has over 30 years of experience in the communications, optical devices and semiconductor device industries. He has served as the leader of large research and development departments, government contract programs and commercial component manufacturing teams. He is a professionally recognized speaker with service on several university industrial advisory boards and professional conference committees. He has authored over 50 papers in the professional literature and holds 39 US patents. He is currently a consultant and advisor to industry regarding properties of materials, commercialization of manufacturing processes, intellectual property and precision packaging of optical and optoelectronic components.

• Optical fiber alignment
• Photonics and optoelectronics packaging
• Epitaxial crystal growth
• MEMS development
• Telecom systems analysis
• High speed IC design
• Semiconductor fabrication
• Laser and detector technology
• Optical switch development
• Power semiconductor devices
• Flat panel displays, electronics
• Light source technology
• O and OE integration
• Microwave electronic

1174
This expert has been working at the forefront of optoelectronics for over 40 years. He was employed as an optical systems engineer at the Apparatus Division of the Eastman Kodak Company. In that position he was responsible for carrying out performance analyses and testing of high-resolution optical systems. He then moved to the Kodak Research Laboratories where he was technical group leader for the development of high-density optical recording systems and materials. He became head of the Systems Technology Laboratory, Physics Division, Kodak Research Laboratories in 1984. In 1987 this expert became Technical Assistant to the Director of Research and Development, Kodak Mass Memory Division. His current research interests are in the areas of second harmonic generation in non-linear waveguides, laser diode-to-waveguide coupling, external cavity laser diodes, optical data storage and modulation/error-control coding techniques used in digital data storage applications. This expert holds 29 issued patents (21 in the field of optical recording). He has authored, or co-authored, 25 technical papers, one book chapter, given over 25 oral presentations (about half of them invited) at technical symposia/seminars and has taught short courses on the subjects of error-correction codes, optical recording and digital information storage and retrieval for the Optical Society of America, CEI Europe-Elsevier and The University Consortium for Continuing Education.

• Optical data storage systems (heads and read signal generation)
• Optical storage materials and medium (disc) design
• Diode laser characterization
• Modulation for data storage
• Error correction and detection
• Data formats
• Recovered data reliability
• Compact Disc & DVD
• Interaction of light with nano-apertures

1183
Expert is a Ph.D. in Computer Engineering from Virginia Polytechnic Institute and State University and has 20 years of experience in the image processing systems and algorithms field. He has three patents. His body or work and experience include development of algorithms, methods and complete systems for machine vision and applied image processing. He has expertise in biometric systems, fingerprint and face recognition, feature extraction and algorithms, image analysis and processing of color images. He has previous expert witness experience.

• Biometric Identification
• Fingerprint Recognition
• Face Recognition
• Image Processing
• Machine Vision
• Imaging Algorithms and Software
• Image Capture Devices
• Imaging Standards

1264
Expert has over 35 years of experience in the semiconductor memory industry. He has worked extensively on both IC and system-level design projects. Expert`s products include many innovations and industry firsts. In recent years, Expert has supported several litigation actions as an Expert Witness, working with both plaintiff and defendant attorneys in cases involving intellectual property disputes. In that capacity, Expert has conducted prior-art research, written (and withstood deposition on) several expert reports, and has also testified in various trial venues, including one civil case, several ITC cases, and many actions in Federal District Courts. Expert holds multiple patents in his field.

• Cache Memory
• Circuit Design
• EEPROM
• Flash Memory
• ROM
• Semiconductor Memory Architecture
• Semiconductor Memory Technology
• SRAM & DRAM Technology