Canon Kabushiki Kaisha

Canon Anelva Corporation

Shinji Takagi

Koichi Nakata

Masaki Nonaka

Haruki Mori

Hideki Tanaka

Kunihiko Sekido

Hideaki Nagasaka

Michiyo Sekiya

Akihiro Maruyama

Kentaro Yano

Masao Kato

Toshiharu Inui

Tomonori Sato

Koichi Suzuki

Yasuyuki Tamura

Takeshi Ono

Noriyuki Suzuki

Akira Ito

Makoto Shioya

Katsuhiko Takahashi

Kenichi Saito

Masafumi Wataya

Ryuji Higashi

Masayoshi Tachihara

Hiroto Takahashi

Yoshiyuki Imanaka

Naoki Watanabe

Ichiro Saito

Osamu Sato

Nobuyuki Hirayama

Ryo Kasai

Soichi Hiramatsu

Kenta Udagawa

Kimiyuki Hayasaki

Tatsuo Furukawa

Muga Mochizuki

Daisuke Miura

Shigeru Suzuki

Hiroyuki Hyotani

Takehiko Kasamatsu

Ryoichi Tokimitsu

Tetsuhito Ikeda

Tatsuo Kimura

Jun Ashiwa

Nobuo Kosaka

Masaaki Okada

Isao Kawata

Hiroyuki Tamaki

Yuto Ito

Sohei Tanaka

Midori Yasuda

Shubun Kujirai

Masayuki Hongo

Hidetoshi Shimokawa

Naoya Fukuda

Jun Miura

Itaru Watanabe

Shinji Furukawa

Haruyuki Tsuji

Kazushige Nakamura

Yuzo Tokunaga

Hidetoshi Hirano

Hajime Muta

Yukihiro Abe

Hidenori Yamato

Hirotoshi Uesugi

Yasufumi Ogasawara

Harumi Sakoh

Hirofumi Kumoi

Yuichi Naoi

Junpei Kuno

Toru Kitada

Toru Kubokawa

Junya Soeda

Satoshi Nomura

Shuji Kumagai

Tetsuro Toda

Satoshi Negishi

A load lock device includes a load lock chamber including a first conveyance port connected to a transfer chamber connected to a reduced-pressure processing device, and a second conveyance port connected to a loader chamber; a substrate holder configured to hold a substrate in the load lock chamber; a driving mechanism arranged below the load lock chamber to move the substrate holder up and down and connected to the substrate holder via a connecting member; an extension chamber extended from a lower portion of the load lock chamber to a side; and a pump arranged below the extension chamber and configured to discharge a gas in the load lock chamber via the extension chamber. The extension chamber includes a bottom surface with an opening at a position deviated from a vertically lower position of the substrate holder, and the pump is connected to the opening.

Load lock device

A load lock device includes a load lock chamber, and a substrate holding structure configured to hold a substrate in the load lock chamber, wherein the substrate holding structure includes a facing surface facing the substrate, and is configured to allow a gas to flow through a space between the substrate and the facing surface, and in a state in which the substrate is held by the substrate holding structure, a distance between the substrate and a portion located inside an outer edge of the facing surface is larger than a distance between the substrate and the outer edge of the facing surface.

Provided is an electrophotographic photosensitive member that suppresses image smearing at the time of its repeated use, and expresses satisfactory wear resistance and electric characteristics. The electrophotographic photosensitive member includes a support and a photosensitive layer in the stated order, wherein a surface layer of the electrophotographic photosensitive member contains a copolymer of a hole-transportable compound having a chain-polymerizable functional group and a specific compound having maleimide groups.

Electrophotographic photosensitive member, production method therefor, process cartridge, and electrophotographic image-forming apparatus

Provided are an electrophotographic photosensitive member including a support and a photosensitive layer above the support, in which a surface layer of the electrophotographic photosensitive member includes a polymerization product of a composition containing a specific hole transporting compound, and an electrophotographic apparatus and a process cartridge including the electrophotographic photosensitive member. Also provided is a method of producing the electrophotographic photosensitive member, including (i) forming a coating film of a coating solution for a surface layer which is a composition containing a specific hole transporting compound, and (ii) forming the surface layer of the electrophotographic photosensitive member by a polymerization reaction of the composition containing the specific hole transporting compound.

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of producing electrophotographic photosensitive member

An electrophotographic photosensitive member has a surface layer that contains a polymer of a hole transport material having at least one monovalent polymerizable functional group. The hole transport material is represented by Formula (1) where n is an integer of 1 to 5, Zis represented by Formula (2) Zis a hydrogen atom or the group represented by Formula (2), and the monovalent polymerizable functional group is represented by Formula (3) 

Electrophotographic photosensitive member, electrophotographic apparatus, process cartridge, and method of manufacturing electrophotographic photosensitive member

Provided is an electrophotographic photosensitive member, wherein a surface layer of the electrophotographic photosensitive member contains a copolymer of a hole-transportable compound having a polymerizable functional group and a compound represented by the following general formula (1).ArL-P)&#x2003;&#x2003;(1)

Electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge each including the electrophotographic photosensitive member

A surface layer of an electrophotographic photosensitive member contains a cured product of a composition containing a hole transport compound having an acryloyloxy group or a methacryloyloxy group, and a compound having a specific structure.

Electrophotographic photosensitive member, method for producing the same, process cartridge, and electrophotographic apparatus

A coating film of a coating liquid for a surface layer, the coating liquid containing a hole transporting compound having a chain-polymerizable functional group and a compound having a specified structure, is cured to thereby form a surface layer of an electrophotographic photosensitive member.

Production method of electrophotographic photosensitive member, electrophotographic photosensitive member, process cartridge and electrophotographic apparatus

Provided are an electrophotographic photosensitive member capable of satisfying abrasion resistance and electrical properties and suppressing image deletion, and an electrophotographic apparatus and a process cartridge having the electrophotographic photosensitive member. A surface layer of the electrophotographic photosensitive member contains a polymer of a hole transport material having a polymerizable functional group, wherein the hole transport material has a specific structure.

Electrophotographic photosensitive member, electrophotographic apparatus, and process cartridge

The present invention provides a satisfactory electrophotographic photosensitive member which satisfies wear resistance and electrical properties and further, with which image defects do not occur, a process for producing an electrophotographic photosensitive member, and an electrophotographic apparatus and a process cartridge each including the electrophotographic photosensitive member. The electrophotographic photosensitive member the surface layer of which contains a copolymer of a polymerizable functional group-containing charge transporting substance and a particular polymerizable compound.

Electrophotographic photosensitive member, process for producing electrophotographic photosensitive member, and electrophotographic apparatus and process cartridge including electrophotographic photosensitive member

An electrophotographic photosensitive member, in which occurrences of image defects are suppressed, and a method for manufacturing the electrophotographic photosensitive member are provided. In addition, a process cartridge and an electrophotographic apparatus, which include the electrophotographic photosensitive member, are provided. The surface layer of the electrophotographic photosensitive member contains a cured material, and the cured material is a copolymer of a hole transport compound having a chain-polymerizable functional group and a vinyl ester compound containing a long-chain alkyl group.

Electrophotographic photosensitive member, method for manufacturing electrophotographic photosensitive member, process cartridge, and electrophotographic apparatus

To provide an electrophotographic photosensitive member being excellent in abrasion resistance and having good electrical characteristics. The surface layer of the electrophotographic photosensitive member contains a copolymerized product of a hole transporting compound having a specified structure and a compound having a specified structure.

Electrophotographic photosensitive member, method for producing the same, process cartridge and electrophotographic apparatus

To provide an electrophotographic photosensitive member which satisfies abrasion resistance and electrical properties and which is difficult to cause image deletion. A surface layer of the electrophotographic photosensitive member of this invention contains a polymerized product of a hole transporting compound having a polymerizable functional group, in which the hole transporting compound is at least one compound selected from the group consisting of:

Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and condensed polycyclic aromatic compound

In an electrophotographic photosensitive member including a support and a photosensitive layer formed on the support, a surface layer of the electrophotographic photosensitive member contains a cured product obtained by copolymerizing at least one compound (i) selected from the group consisting of a triphenylamine compound having a hydroxymethyl group and a benzidine compound having a hydroxymethyl group, and at least one compound (ii) selected from the group consisting of a compound represented by the following formula (1), a compound represented by the following formula (2), a compound represented by the following formula (3), and a compound represented by the following formula (4): 

Electrophotographic photosensitive member, process cartridge, electrophotographic apparatus, and method for producing electrophotographic photosensitive member

Provided are an electrophotographic photosensitive member which satisfies wear resistance and electrical characteristics, and in which image deletion is satisfactorily suppressed, and a process cartridge and an electrophotographic apparatus each including the electrophotographic photosensitive member. The electrophotographic photosensitive member comprises a surface layer which includes a polymerized product of a hole transporting substance having a reactive functional group, in which a structure other than the reactive functional group of the hole transporting substance is one of: a structure consisting of a carbon atom and a hydrogen atom; and a structure consisting of a carbon atom, a hydrogen atom and an oxygen atom, and the structure other than the reactive functional group of the hole transporting substance comprises a specific conjugate structure.

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Yokohama, Japan

Shinji Takagi