Canon Kabushiki Kaisha

Koki Nukanobu

Takuto Moriguchi

Hironobu Mizuno

Takeo Tsukamoto

Toshihiko Takeda

Keisuke Yamamoto

Takahiro Sato

Takashi Iwaki

Kazuya Miyazaki

Hiroyuki Hashimoto

Masafumi Kyogaku

Tamaki Kobayashi

Noritake Suzuki

Naofumi Aoki

Masaharu Naka

Tamaki Kobayahsi

A method capable of easily and simply manufacturing a conductive member pattern such as a nano-size fine wiring or electrode is disclosed. Specifically, the disclosed method for manufacturing a conductive member pattern includes the steps of: forming an ion-exchangeable resin pattern on a substrate by using a photosensitive resin; making the resin pattern absorb a metal component-containing solution; and baking the resin pattern having absorbed the metal component-containing solution, wherein the width and the ratio 'width/height' of the resin pattern before baking are 1 &#x3bc;m or less and 5 or less, respectively.

Method for manufacturing conductive member pattern

The present invention provides an electron-emitting device which does not need a fresh electrode to be added thereto, has excellent convergence and shows little change of a discharged electric current for short and long periods of time, and an image display apparatus using the device. The electron-emitting device includes at least a pair of device electrodes formed on an insulating substrate, and a plurality of electroconductive films which are formed so as to connect the device electrodes to each other and have gaps therein, wherein the surface of a region which is at least adjacent to the gap between the electroconductive films and is not covered with the electroconductive film is higher than the surface of the electroconductive film.

Electron-emitting device and image display apparatus

By applying a drive voltage Vf [V] between first and second conductive films, when electrons are emitted by the first conductive film, an equipotential line of 0.5 Vf [V] is inclined toward the first conductive film, rather than toward the second conductive film, in the vicinity of the electron emitting portion of the first conductive film, in a cross section extending across the electron emitting portion and the portion of the second conductive film located nearest the electron emitting portion. The present invention improves electron emission efficiency.

Electron-emitting device, electron-emitting apparatus, electron source, image display device and information display/reproduction apparatus

A base body includes a first part and a second part. The second part has a lower thermal conductivity than the first part and is arranged adjacently to the first part. A first conductive film is formed on the first part and a second conductive film is formed on the second part. At least part of a gap is located above a boundary between the first part and the second part.

Electron-emitting device, electron source, and image display apparatus, and method for manufacturing the same

An electron-emitting device having little dispersion of its electron emission characteristic and a suppressed 'fluctuation' of its electron emission quantity is provided. The electron-emitting device includes a substrate equipped with a first portion containing silicon oxide and a second portion arranged abreast of the first portion and having a higher heat conductance, and an electroconductive film including a gap therein, the electroconductive film arranged on the substrate, wherein the first and the second portions having a resistance higher than that of the electroconductive film, and the gap is arranged on the first portion.

Electron-emitting device, electron source and display apparatus using the same device, and manufacturing methods of them

An electron-emitting device is provided with improved electron emitting efficiency. An electron-emitting device includes first and second electroconductive films disposed on a surface of a substrate in opposition to each other to form a gap between ends of the first and second electroconductive films. The end of the first electroconductive film includes a portion the minimum distance dfrom which to the second electroconductive film is 10 nm or less. Let ddenote a minimum distance between the end of the first electroconductive film which is away from the portion the minimum distance dfrom which to the second electroconductive film is 10 nm or less by the minimum distance dand the end of the second electroconductive film. The relation of d/d&#x2267;1.2 is satisfied.

Electron-emitting device, electron source using the same, image display apparatus, and information displaying and reproducing apparatus

A method for manufacturing a precursor to an electron-emitting device includes the steps of preparing an electron-emitting member, and alternately exposing the electron-emitting member to an oxygen-containing gas and a metal-containing gas.

Method for manufacturing electron-emitting device, methods for manufacturing electron source and image display device using the electron-emitting device

In a process of reducing a resistivity of a polymer film for carbonization in a surface conduction electron-emitting device, by irradiating an energy beam onto the polymer film, when an energy intensity of the beam given in a unit area in a unit time is assumed to be W W/m, W satisfies a formula W&#x2267;2&#xd7;T&#xd7;(&#x3c1;&#xb7;C&#xb7;&#x3bb;/&#x3c4;), where T is defined as a temperature &#xb0; C. at which the polymer film is heated for one hour in a vacuum degree of 1&#xd7;10Pa to reduce a resistivity of the polymer film to 0.1 &#x3a9;&#xb7;cm, Cis a specific heat J/kg&#xb7;K of the substrate, &#x3c1;is a specific gravity kg/mof the substrate, &#x3bb;is a heat conductivity W/m&#xb7;K of the substrate, and &#x3c4; is an irradiation time in the range of 10sec to 10 sec.

Methods of manufacturing electron-emitting device, electron source, and image display apparatus

An electron-emitting device having favorable electron emitting characteristic stable for a long time, which is manufactured by a method comprising the steps of disposing an electrically conductive member having a second gap on a substrate, and applying a voltage to the electrically conductive member while irradiating at least the second gap with an electron beam from electron emitting means disposed apart from the electrically conductive member in an atmosphere comprising a carbon compound.

Electron-emitting device, electron source and image-forming apparatus, and manufacturing methods thereof

To provide a method for manufacturing an electron source having electron-emitting devices with excellent electron-emitting property arranged on a substrate and enabling an image-forming apparatus capable of displaying an image with high brightness and uniformity to be enhanced in terms of screen size and production scale. The method for manufacturing the electron source includes a step of disposing a plurality of units and a plurality of wirings connected to the plurality of units on a substrate, each unit including a polymer film and a pair of electrodes with the polymer film interposed therebetween, and a step of forming electron-emitting devices from the plurality of units by repeatedly performing a process including a selecting substep of selecting a desired number of units from the plurality of units, a resistance-reducing substep of reducing resistance of the polymer films of the selected units and a gap-forming substep of forming a gap in each of the films formed by the resistance-reducing substep.

Growing community of inventors

Kanagawa-ken, Japan

Koki Nukanobu