U.S. patents available from 1976 to present.
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Process for producing MIM elements by electrolytic polymerization

Patent 5485294 Issued on January 16, 1996. Estimated Expiration Date: Icon_subject January 16, 2013. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

Displays controlled by MIM switches of small capacitance
Patent #: 4413883
Issued on: 11/08/1983
Inventor: Baraff ,   et al.

Liquid crystal display matrix including a non-linear device
Patent #: 4523811
Issued on: 06/18/1985
Inventor: Ota

Horizontally-stacked metal-insulator-metal element for electro-optical device and method for manufacture
Patent #: 4534623
Issued on: 08/13/1985
Inventor: Araki

Multiplexable metal-insulator-metal liquid crystal cell
Patent #: 4572615
Issued on: 02/25/1986
Inventor: Nickol ,   et al.

Method of fabrication of diode-type control matrices for a flat electrooptical display screen and a flat screen constructed in accordance with said method
Patent #: 4653858
Issued on: 03/31/1987
Inventor: Szydlo ,   et al.

Method of manufacturing MIM elements in liquid crystal displays
Patent #: 4683183
Issued on: 07/28/1987
Inventor: Ono

Electro-optical device having an amorphous silicon resistive element with carbon
Patent #: 4842372
Issued on: 06/27/1989
Inventor: Toyama

Electro optical device and method for manufacturing same
Patent #: 4861141
Issued on: 08/29/1989
Inventor: Nakazawa

Liquid crystal display device
Patent #: 4871234
Issued on: 10/03/1989
Inventor: Suzuki

Method of manufacturing non-linear resistive element array
Patent #: 4895789
Issued on: 01/23/1990
Inventor: Motte, et al.

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Inventors

Assignee

Application

No. 771878 filed on 10/03/1991

US Classes:

349/51, Metal-insulator-metal (i.e., MIM)29/25.02, Barrier layer device making205/124, Predominantly nonmetal electrolytic coating (e.g., anodic oxide, etc.)205/317, Coating is predominantly organic material257/E45.001, SOLID-STATE DEVICES ADAPTED FOR RECTIFYING, AMPLIFYING, OSCILLATING, OR SWITCHING WITHOUT POTENTIAL-JUMP BARRIER OR SURFACE BARRIER, E.G., DIELECTRIC TRIODES; OVSHINSKY-EFFECT DEVICES, PROCESSES, OR APPARATUS PECULIAR TO MANUFACTURE OR TREATMENT THEREOF, OR OF PARTS THEREOF (EPO)427/97.3, Nonuniform or patterned coating438/957MAKING METAL-INSULATOR-METAL DEVICE

Examiners

Primary: Sikes, William L.
Assistant: Duong, Tai V.

Attorney, Agent or Firm

Foreign Patent References

  • 0241021 JP 11/12/1985
  • 0045222 JP 03/12/1986
  • 61-163658 JP. 07/12/1986
  • 61-163659 JP. 07/12/1986
  • 62-183579 JP. 08/12/1987
  • 0038920 JP 02/12/1988

International Classes

G02F 001/136
H01L 021/02

Foreign Application Priority Data

1987-12-18 JP

Abstract

An active element such as a MIM element includes a first electrically conductive layer, a nonlinearly conductive layer having a low dielectric constant disposed on the first conductive layer and a second electrically conductive layer disposed on the nonlinearly conductive layer. The nonlinearly conductive layer can be deposited on the first conductive layer by electrolytic polymerization. A matrix of liquid crystal picture element electrodes driven by active elements in accordance with the invention can be formed with as little as two or three photolythographic steps.

Other References

  • S. Morozumi-"Active Matrix Displays" SID Seminar Lecture Notes-May 1989-pp. 10.2-10.29
  • Castleberry-"Control Layers For Liquid Crystal Matrix Displays" 1980-Biennial Display Research Conference-IEEE-Oct. 1980-pp. 89-92
  • Gregor, L. V., "Electrical Conductivity of Polydivinylbenzene Films", Thin Solid Films, 2 (1968) 235-246
  • Hogarth, C. A. et al., "The Electrical and Structural Properties of Thin Films", Brunel Univ. Phys. Dept. (1981) pp. 11-3
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