The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 08, 1994
Filed:
Apr. 17, 1991
Applicant:
Inventors:
Masamitsu Yazawa, Yokohama, JP;
Kenji Hiruma, Tokorozawa, JP;
Toshio Katsuyama, Ome, JP;
Nobutaka Futigami, Mitaka, JP;
Hidetoshi Matsumoto, Kodaira, JP;
Hiroshi Kakibayashi, Nagareyama, JP;
Masanari Koguchi, Higashikurume, JP;
Gerard P Morgan, Galway, IE;
Kensuke Ogawa, Hachioji, JP;
Assignees:
Hitachi, Ltd., Tokyo, JP;
Hitachi VLSI Engineering Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L / ;
U.S. Cl.
CPC ...
257 13 ; 257 14 ; 257 17 ; 257 20 ; 257 21 ; 257 22 ; 257 24 ; 257 27 ; 257 95 ;
Abstract
A field effect transistor and a ballistic transistor using semiconductor whiskers each having a desired diameter and formed at s desired location, a semiconductor vacuum microelectronic device using the same as electron emitting materials, a light emitting device using the same as quantum wires and the like are disclosed.