PROGRAMMABLE TECHNOLOGIES WEB SITE

A scientific study of the problems of digital engineering for space flight systems,
with a view to their practical solution.


SEU Hardening Patents and References


1. US04956814 09/11/1990 Memory cell with improved single event upset rate reduction circuitry
2. US04797804 01/10/1989 High density, high performance, single event upset immune data storage cell
3. US05525923 06/11/1996 Single event upset immune register with fast write access
4. US05053848 10/01/1991 Apparatus for providing single event upset resistance for semiconductor devices
5. US04914629 04/03/1990 Memory cell including single event upset rate reduction circuitry
6. US04912675 03/27/1990 Single event upset hardened memory cell
7. US05657267 08/12/1997 Dynamic RAM (random access memory) with SEU (single event upset) detection
8. US05315544 05/24/1994 Radiation-hardened memory storage device for space applications
9. US05204990 04/20/1993 Memory cell with capacitance for single event upset protection
10. US05504703 04/02/1996 Single event upset hardened CMOS latch circuit
11. US05418473 05/23/1995 Single event upset immune logic family
12. S05406513 04/11/1995 Mechanism for preventing radiation induced latch-up in CMOS integrated circuits
13. US05311070 05/10/1994 Seu-immune latch for gate array, standard cell, and other asic applications
14. US05307142 04/26/1994 High performance static latches with complete single event upset immunity
15. US05196734 03/23/1993 CCS latch with in-circuit redundancy
16. US05175605 12/29/1992 Single event upset hardening circuits, devices and methods
17. US05111429 05/05/1992 Single event upset hardening CMOS memory circuit
18. US05046044 09/03/1991 SEU hardened memory cell
19. US04931990 06/05/1990 Hardened bubble memory circuit
20. US04852060 07/25/1989 Soft error resistant data storage cells
21. US04809226 02/28/1989 Random access memory immune to single event upset using a T-resistor
22. US04805148 02/14/1989 High impendance-coupled CMOS SRAM for improved single event immunity
23. US04785200 11/15/1988 Self correcting single event upset (SEU) hardened CMOS register
24. US05649097 07/15/1997 Synchronizing a prediction RAM
25. US05331164 07/19/1994 Particle sensor array
26. US5031180 07/09/1991 Triple redundant fault-tolerant register
27. US04863878 09/05/1989 Method of making silicon on insalator material using oxygen implantation
28. US04786865 11/22/1988 Method and apparatus for testing integrated circuit susceptibility to cosmic rays
29. US05341009 08/23/1994 Fast charging MOS capacitor structure for high magnitude voltage of either positive or negative polarity

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Last Revised: January 09, 2002
Digital Engineering Institute
Web Grunt: Richard Katz