Ferroelectric register, and method for manufacturing...

Details Ferroelectric register, and method for manufacturing... Ferroelectric register, and method for manufacturing...

2005-12-20

2005-12-20

Lam, David (Department: 2827)

Static information storage and retrieval

Systems using particular element

Ferroelectric

C365S149000, C365S189110

Reexamination Certificate

active

06977835

ABSTRACT:
The present invention discloses a ferroelectric register and a method for manufacturing a capacitor of the same. The ferroelectric register is configured to reduce probability of data storage failure due to a weak state capacitor, by connecting a plurality of capacitors in parallel in a ferroelectric capacitor unit for storing data, instead of using a single capacitor, thereby improving storage reliability and stability. In addition, the ferroelectric register obtains a data sensing margin by pumping a cell plate signal into not a power voltage level but a pumping voltage level.

REFERENCES:
patent: 6067244 (2000-05-01), Ma et al.
patent: 6272594 (2001-08-01), Gupta et al.
patent: 6301145 (2001-10-01), Nishihara
patent: 6314016 (2001-11-01), Takasu
patent: 6363439 (2002-03-01), Battles et al.
patent: 6809951 (2004-10-01), Yamaguchi
patent: 1020010066806 (2001-07-01), None
patent: 1020030040912 (2003-05-01), None

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