Communications: electrical – Selective – Interrogation response
Reexamination Certificate
2006-03-21
2006-03-21
Horabik, Michael (Department: 2635)
Communications: electrical
Selective
Interrogation response
C251S200000, C340S005800, C365S185040, C320S106000, C346S140100
Reexamination Certificate
active
07015795
ABSTRACT:
A self-identifying integrated circuit contains a primary function circuit and an immutable, unique identification code, which is presented at an output port thereof upon demand by, an external circuit. The unique identification code may be an N bit digital number or may be a response signal to an interrogating excitation signal. The circuitry to store the unique identification code is fabricated on a microscopic scale such as by a direct-write laser forward transfer of material process or by a laser ablation of select material process. The identification storage means may be disposed on a package substrate or on an integrated circuit die and is permanently encased within the integrated circuit package so as to be protected from alteration by external means.
REFERENCES:
patent: 4872027 (1989-10-01), Buskirk et al.
patent: 5675825 (1997-10-01), Dreyer et al.
patent: 5790834 (1998-08-01), Dreyer et al.
patent: 5958037 (1999-09-01), Dreyer et al.
patent: 6246210 (2001-06-01), Kuan et al.
patent: 6325483 (2001-12-01), Harbour et al.
patent: 6377484 (2002-04-01), Shau
patent: 6704872 (2004-03-01), Okada
patent: 6815739 (2004-11-01), Huff et al.
Au Scott
Horabik Michael
Potomac Photonics, Inc.
Rosenberg , Klein & Lee
LandOfFree
Self-identifying integrated circuits and method for... does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Self-identifying integrated circuits and method for..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Self-identifying integrated circuits and method for... will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-3539936