(54) ELECTRON EMISSION DEVICE WITH GAP BETWEEN ELECTRON EMISSION ELECTRODE AND SUBSTRATE
(75) Inventors: Takeo Tsukamoto, Atsugi (JP);
Mamoru Miyawaki, Tokyo (JP);
Tetsuya Kaneko, Yokohama (JP);
Akira Suzuki, Yokohama (JP); Isamu
Shimoda, Zama (JP); Toshihiko
Takeda, Tokyo (JP); Masahiko
Okunuki, Itsukaichi-machi (JP)
(73) Assignee: Canon Kabushiki Kaisha, Tokyo (JP)
( * ) Notice: This patent issued on a continued prosecution application filed under 37 CFR 1.53(d), and is subject to the twenty year patent term provisions ol 35 U.S.C. 154(a)(2).
Subject to any disclaimer, the term ol this patent is extended or adjusted under 35 U.S.C. 154(b) by 0 days.
This patent is subject to a terminal disclaimer.
(21) Appl. No.: 09/060,354
(22) Filed: Apr. 15, 1998
(65) Prior Publication Data
US 2002/0097204 Al Jul. 25, 2002
Related U.S. Application Data
(62) Division of application No. 08/199,967, filed on Feb. 22, 1994, now Pat. No. 5,786,658, which is a continuation of application No. 08/038,067, filed on Mar. 29, 1993, now abandoned, which is a continuation of application No. 07/751,633, filed on Aug. 26, 1991, now abandoned, which is a continuation of application No. 07/386,242, filed on Jul. 28, 1989, now abandoned, which is a continuation of application No. 07/189,216, filed on May 2, 1988, now Pat. No. 4,904,895.