Ferroelectric analog device

Details Ferroelectric analog device Ferroelectric analog device

1979-04-05

1981-03-31

Hecker, Stuart N.

Static information storage and retrieval

Analog storage systems

365145, 365157, 369126, 369 93, G11C 2700, G11C 1122

Patent

active

042597285

ABSTRACT:
Analog readout devices are disclosed which utilize domain wall motion in a film of ferroelectric material to produce an electrical signal having a desired waveform. Disclosed devices comprise electrodes disposed on facing sides of the film, at least one electrode being patterned in correspondence with the desired waveform. Readout from devices may be direct or as the difference between two signals produced by domain wall motion. In the latter case, constant-width pairs of electrodes may be used in combination with a feedback circuit to ensure constant-velocity ferroelectric wall motion.

REFERENCES:
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patent: 3142044 (1964-07-01), Kaufman et al.
patent: 3508222 (1970-04-01), Bobeck
patent: 3701122 (1972-10-01), Geusic et al.
patent: 3701147 (1972-10-01), Whitehouse
patent: 3936146 (1976-02-01), Kumada et al.
patent: 3953109 (1976-04-01), Kumada
Jacobs et al., Ferroelectric Devices, IBM Tech. Disc. Bul., vol. 15, No. 8, 1/73, pp. 2403-2404.

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