Design and construction Integrated circuits Very large scale integration 27 Circuits 9 Semiconductors 9 Testing 9 Computer-aided design 7 Electronic digital computers 6 Signal processing 6 Junctions 5 Microelectronics 5 Digital techniques 4 Equipment and supplies 4 Quality control 4 Radio circuits 4 Reliability 4 Systems on a chip 4 Very high speed integrated circuits 4 Wireless communication systems 4 Computers 3 Fault-tolerant computing 3 Metal oxide semiconductors, Complementary 3 System design 3 Application specific integrated circuits 2 Computer algorithms 2 Computer architecture 2 Design 2 Digital integrated circuits 2 Formal methods (Computer science) 2 Mathematics 2