Quantum effect device

Patent 6333516 Issued on December 25, 2001. Estimated Expiration Date:

December 12, 2016. 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.

Abstract Claims Description Full Text

Inventors

Application

No. 764275 filed on 12/12/1996

US Classes:

257/22, With specified semiconductor materials257/15, Superlattice257/17, With particular barrier dimension257/E29.071, Quantum box or quantum dot structures (EPO)257/E29.322Single electron transistors: Coulomb blockade device (EPO)

Examiners

Primary: Chaudhuri, Olik
Assistant: Ha, Nathan W.

Attorney, Agent or Firm

Oblon, Spivak, McClelland, Maier & Neustadt, P.C.

International Class

H01L 029/06

Foreign Application Priority Data

1993-09-16 JP

Abstract

An inverter comprising four quantum dot cells. When the quantum dot cells are arranged in 9 o'clock direction, 12 o'clock direction and 3 o'clock direction, the quantum dot cell is arranged in 6 o'clock direction.

Other References

B. Meurer, et al., "Single-Electron Charging of Quantum-Dot Atoms," Phys. Rev. Lett. vol. 68, No. 9, Mar. 1992, pp. 1371-1374.
Craig S. Lent , P. Douglas Tougaw, Wolfgang Porod and Gary H. Bernstein, "Quantum cellular automata", Nanotechnology, vol. 4, pp. 49-57, 199