Integrated circuit having a laser connection of a conductor to a

Details Integrated circuit having a laser connection of a conductor to a Integrated circuit having a laser connection of a conductor to a

1994-08-10

1996-06-18

Brown, Peter Toby

Active solid-state devices (e.g., transistors, solid-state diode

Integrated circuit structure with electrically isolated...

Passive components in ics

257665, 257754, H01L 23525, H01L 23532

Patent

active

055280722

ABSTRACT:
The conductor 15 to be connected to the doped region 12 of the substrate 11 has an edge 15a at which the laser beam 20 is aimed, regulated such as to definitively create a zone of low electrical resistance 19 in the dielectric layer 13 that separates the conductor from the doped region. The invention is particularly applicable to programming by laser of read only memories and defective integrated circuits with a view to correcting them.

REFERENCES:
patent: 3539880 (1970-11-01), Squire et al.
patent: 4387503 (1983-06-01), Aswell et al.
patent: 4543594 (1985-09-01), Mohsen et al.
patent: 4701780 (1987-10-01), Hankins et al.
patent: 4751197 (1988-06-01), Wills
patent: 4823181 (1989-04-01), Mohsen et al.
patent: 4881114 (1989-11-01), Mohsen et al.
Cook et al., Connections and Disconnections on Integrated Circuits Using Nanosecond Laser Pulses, App. Phys. Lett., V. 26, No. 3, Feb. 1975, pp. 124-126.

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