Assignee
EFCIS
FR28 patents
Top patents by PatentIndex Score
US4593454AJun 10, 1986
Process for manufacturing an integrated circuit with tantalum silicide connections utilizing self-aligned oxidation
EFCIS61 citations94
US4805759AFeb 21, 1989
Installation and method for handling delicate objects in an atmosphere having a controlled dust content
EFCIS75 citations91
US4592802AJun 3, 1986
Method of fabrication of aluminum contacts through a thick insulating layer in an integrated circuit
EFCIS46 citations90
US4561932ADec 31, 1985
Method of producing integrated silicon structures on isolated islets of the substrate
EFCIS31 citations90
US4780429AOct 25, 1988
Method of fabrication of MOS transistors having electrodes of metallic silicide
EFCIS49 citations89
US4451328AMay 29, 1984
Manufacturing TaSi-polysilicon conductors having high-resistance elements by a liftoff technique
EFCIS31 citations89
US4541073ASep 10, 1985
Non-volatile flip-flop with a static resetting
EFCIS48 citations87
US4442398AApr 10, 1984
Integrated circuit generator in CMOS technology
EFCIS38 citations84
US4499560AFeb 12, 1985
Non-volatile flip-flop with a dynamic resetting
EFCIS22 citations77
US4599575AJul 8, 1986
Broad-band differential amplifier with double reverse feed-back of common mode
EFCIS13 citations74
US5457338AOct 10, 1995
Process for manufacturing isolated semi conductor components in a semi conductor wafer
EFCIS11 citations73
US4891328AJan 2, 1990
Method of manufacturing field effect transistors and lateral bipolar transistors on the same substrate
EFCIS17 citations73
US4628472ADec 9, 1986
Binary multiplier using ternary code
EFCIS16 citations72
US4651036AMar 17, 1987
Logic data transfer bus preloading circuit
EFCIS10 citations70
US4512029AApr 16, 1985
Non-volatile decade counter using Johnson code or equivalent
EFCIS15 citations69
US4356055AOct 26, 1982
Process and device for monitoring the plasma etching of thin layer utilizing pressure changes in the plasma
EFCIS10 citations69
US4721865AJan 26, 1988
Analog signal level detector
EFCIS15 citations68
US4459542AJul 10, 1984
Spectrum analyzer having common two-channel filters, especially for voice recognition
EFCIS14 citations66
US4679309AJul 14, 1987
Process for manufacturing isolated semi conductor components in a semi conductor wafer
EFCIS2 citations62
US4419631ADec 6, 1983
Integrated circuit amplifier functioning in class AB and incorporating CMOS (metal oxide semiconductor) technology
EFCIS9 citations62
US4731318AMar 15, 1988
Integrated circuit comprising MOS transistors having electrodes of metallic silicide and a method of fabrication of said circuit
EFCIS5 citations60
US4595999AJun 17, 1986
Non-volatile random access memory cell with CMOS transistors having a common floating grid
EFCIS15 citations60
US4488246ADec 11, 1984
Integrated logic network with simplified programming
EFCIS18 citations60
US4559498ADec 17, 1985
Symmetrical integrator and application of said integrator to an electric filter
EFCIS6 citations57
US4513265AApr 23, 1985
3-Phase switched capacitor circuit having an inductive characteristic
EFCIS3 citations57
US4706209ANov 10, 1987
Arithmetic and logic unit with overflow indicator
EFCIS4 citations54
US4524425AJun 18, 1985
High-pass filter of the first order and application thereof to telephony
EFCIS6 citations54
US4575708AMar 11, 1986
Decoder of a data from a subgroup of P data belonging to a group of N data
EFCIS1 citations52