Canon Kabushiki Kaisha

Shintetsu Go

Hajime Miyazaki

Kazushi Iuchi

Koichi Suzuki

Yoshio Kashizaki

Hideyuki Takai

Kazuma Sato

Akira Shimada

Toshie Miyaji

Tomohiro Kimura

Akihiro Senoo

Tomonari Nakayama

Akane Masumoto

Hideaki Nagasaka

Masakazu Matsumoto

Yoichi Kawamorita

Tetsuro Kanemaru

Ryo Ogawa

Toshinobu Ohnishi

Satomi Sugiyama

Masato Tanaka

Shoichi Yamazaki

Kunihiko Sekido

Jian Chen

Itaru Yamazaki

Takakazu Tanaka

Seiji Okada

Hiroyuki Ohmori

Satomi Ohmura

A composition contains a cycloolefin polymer and a cross-linked structure of a cross-linkable polymer having a specific structure.

Composition, method for manufacturing the same, optical element, lens

A liquid lens includes a vessel having an inner wall and configured to contain liquid, an electrolyte liquid and a non-electrolyte liquid forming an interface therebetween and being contained in the vessel, and a voltage applying unit which applies a voltage to the electrolyte liquid. A shape of the interface between the electrolyte liquid and the non-electrolyte liquid is changed by application of the voltage. The inner wall of the vessel has varying affinity with the non-electrolyte liquid depending on a position on the inner wall where an end of the interface contacts the inner wall; and the affinity on the side of the inner wall where the non-electrolyte liquid is situated is lower than the affinity on the side of the inner wall where the electrolyte liquid is situated.

Liquid lens and apparatus incorporating the same

Provided is a method of producing a semiconductor device having an organic semiconductor layer, which includes the steps of providing a crystallization promoting layer on a substrate; providing an organic semiconductor precursor on the crystallization promoting layer; and applying light energy and thermal energy simultaneously to the organic semiconductor precursor to form a layer containing an organic semiconductor. Thereby, an organic semiconductor device is provided which is low cost and has excellent durability.

Production method of semiconductor device

Provided is a semiconductor device including: a substrate; a layer containing one or more kinds of polymer compounds on the substrate; and an organic semiconductor layer in contact with the layer containing the one or more kinds of polymer compounds, in which at least one kind of the one or more kinds of polymer compounds is a polymer compound having one or more secondary or tertiary aliphatic amino groups, wherein the one or more aliphatic amino groups of the polymer compound having the aliphatic amino groups are bound to at least one of a side chain or a branched chain, and wherein said the layer containing the one or more kinds of polymer compounds contains polysiloxane compounds. With the constitution, a semiconductor device excellent in crystallinity and orientation can be provided.

Semiconductor device with layer containing polysiloxane compound

An electrophotographic photosensitive member is disclosed which has an aluminum substrate and a photosensitive layer. The substrate contains aluminum, oxygen and titanium, or aluminum, oxygen and zirconium, at the surface portion on the side of the photosensitive layer. Also, a process for producing the electrophotographic photosensitive member, and a process cartridge and an electrophotographic apparatus using the photosensitive member are disclosed.

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

A process cartridge or an electrophotographic apparatus includes an electrophotographic photosensitive member and a charging member for charging the electrophotographic photosensitive member by application of a voltage, the charging member being in contact with the electrophotographic photosensitive member. The electrophotographic photosensitive member includes an aluminum substrate and a photosensitive layer provided thereon. The outermost surface of the substrate contains aluminum, oxygen, and at least one of titanium and zirconium.

Process cartridge and electrophotographic apparatus

An electrophotographic apparatus is constituted by an electrophotographic photosensitive member, a charging member, developing device and transfer device. The charging member is disposed contactable to the photosensitive member and supplied with a voltage so as to charge the photosensitive member. The photosensitive member includes a metal support, a photosensitive layer disposed on the support, and a surface layer disposed on the photosensitive layer. The surface layer has a volume resistivity of 1.times.10.sup.10 -1.times.10.sup.15 ohm.cm, and the metal support has a surface-oxidized film at its surface provided with the photosensitive layer. The use of the above surface layer and the above metal support in combination is effective in stably performing good injection charging.

Electrophotographic apparatus and process cartridge

An electrophotographic photosensitive member having a protective layer which comprises electroconductive particles and a binding resin, wherein the difference between the reflex indices of the electroconductive particles and binding resin is 0.3 or less.

Electrophotographic photosensitive member, electrophotographic apparatus

A new crystalline form of oxytitanium phthalocyanine is characterized by main peaks specified by Bragg angles (2.theta..+-.0.2 degrees) of 7.4 degrees, 10.2 degrees, 12.5 degrees, 15.0 degrees. 16.3 degrees, 18.3 degrees, 22.4 degrees, 24.2 degrees, 25.2 degrees and 28.5 degrees in X-ray diffraction pattern based on CuK.alpha. characteristic X-rays. The oxytitanium phthalocyanine is formed by treating amorphous oxytitanium phthalocyanine with a solvent selected from the group consisting of monohydric alcohols having at least two carbon atoms, cellosolves, diethylene glycol monoethers and diacetone alcohol. The oxytitanium phthalocyanine is useful as a charge generating material for providing an electrophotographic photosensitive member, which shows a stably high sensitivity to long wavelength light.

Oxytitanium phthalocyanine, process for producing same and

An electrophotographic photosensitive member, having a support, and an intermediate layer and a photosensitive layer disposed on the support in this order; the intermediate layer having a coated powder comprising a coating layer and barium sulfate fine particles coated with the coating layer; and the coating layer comprising tin oxide. The above intermediate layer is usable for constituting an electrophotographic apparatus providing stable potential properties and good image quality under overall environmental conditions including low-temperature and low-humidity condition to high-temperature and high-humidity condition.

Electrophotographic photosensitive member and electrophotographic

An electrophotographic photosensitive member is disclosed which has an electroconductive support, an interlayer, and a photosensitive layer. The interlayer contains a resin having a polyamic acid structure or a polyamic acid ester structure. A process cartridge and electrographic apparatus using the photosensitive member are also disclosed.

Electrophotographic photosensitive member, and process cartridge and

An electrophotographic photosensitive member includes, in orders, a supporting member, and an intermediate layer and a photoconductive layer. The intermediate layer contains a powder of fine particles of tin oxide containing phosphorus.

Electrophotographic photosensitive member having intermediate layer

An electrophotographic photosensitive member includes an electroconductive support and a photosensitive layer formed thereon, the photosensitive layer containing a resin having the acetal moiety represented by the formula [I] below: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are independently a hydrogen atom, a fluorine atom, or a trifluoromethyl group, respectively, provided that all of R.sub.1, R.sub.2, R.sub.3, R.sub.4, and R.sub.5 are not simultaneously hydrogen atoms.

Electrophotographic photosensitive member, and electrophotographic

An electrophotographic photosensitive member, comprising: an electroconductive support and a photosensitive layer disposed on the electroconductive support, wherein the photosensitive layer comprises a triazene compound represented by the following formula (1): ##STR1## wherein R denotes hydrogen, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted aralkyl group.

Electrophotographic photosensitive member, electrophotographic

An electrophotographic photosensitive member has an electroconductive substrate and a photosensitive layer formed thereon. The photosensitive layer contains an acetal resin having a component unit represented by the following formula (1): ##STR1## wherein X is ##STR2## R.sub.1 is a substituted or unsubstituted aryl group and a substituted or unsubstituted heterocyclic group; R.sub.2 is a hydrogen atom and a substituted or unsubstituted alkyl group; R.sub.3 is a substituted or unsubstituted alkyl group; A is a substituted or unsubstituted heterocyclic group and ##STR3## R.sub.4 is a substituted or unsubstituted heterocyclic group; R.sub.5 is a hydrogen atom, a substituted or unsubstituted alkyl group, a substituted or unsubstituted aryl group and a substituted or unsubstituted heterocyclic group; and n and m are each 0, 1, 2 and 3.

Growing community of inventors

Yokohama, Japan

Shintetsu Go