Monolithically integrated circuit arrangement comprising one-tra

Details Monolithically integrated circuit arrangement comprising one-tra Monolithically integrated circuit arrangement comprising one-tra

1978-04-20

1980-04-08

Wojciechowicz, Edward J.

357 23, 357 41, 357 55, 357 45, H01L 2702

Patent

active

041975545

ABSTRACT:
A monolithic integrated circuit arrangement is disclosed which is formed of a group of one-transistor storage elements arranged on a semiconductor layer. Each storage element has a selection field effect transistor and a storage capacitor. The storage elements are arranged in pairs. First and second storage capacitors of each pair are combined to save storage area. In one embodiment, a first conductive coating overlying a surface of the semiconductor layer is employed as a common second electrode for all the storage capacitors. Additional second conductive coatings insulated from the first conductive coating and arranged thereover form the first electrodes for the storage capacitors. In another embodiment a first conductive coating is employed as a common second electrode for the storage capacitors. A second conductive coating is utilized as a first electrode for some of the storage electrodes while an inversion or diffusion layer is utilized as a first electrode for the other storage capacitors. In a final embodiment a first conductive coating over the semiconductor layer is utilized as a common second electrode for all of the storage capacitors. A second conductive coating over the first conductive coating and insulated therefrom is utilized as a first electrode for some of the storage capacitors whereas other storage capacitors have their first electrode formed as an inversion layer adjacent to a shift electrode.

REFERENCES:
patent: 3387286 (1968-06-01), Dennard
patent: 4115795 (1978-09-01), Masuoka et al.
IBM--Tech. Bul.--vol. 17, No. 6, Nov. 1974.
Electronic Letters--Mar. 18, 1976, pp. 140-141.

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