Fuji Photo Film Company, Limited

Fujifilm Corporation

Sumitomo Light Metal Industries, Ltd.

Akio Uesugi

Hirokazu Sawada

Tsutomu Kakei

Atsuo Nishino

Atsushi Matsuura

Yoshinori Hotta

Tadabumi Tomita

Yoshitaka Masuda

Hisashi Hotta

Masahiro Endo

Yusuke Hatanaka

Masaya Matsuki

Hirokazu Sakaki

Shinichiro Minato

Kiyotaka Fukino

Shinya Kurokawa

Hideki Miwa

Seiji Kawasumi

Hiroshi Ougi

Yasuhito Naruse

Kazutaka Oda

Kiyoshi Kamitani

Atsushi Hibino

Tadashi Endo

Katsuyuki Teraoka

Teruyoshi Yasutake

Gouichi Morohoshi

Tadashi Hayashi

Shinya Suzuki

Naoyuki Kawanishi

Yusuke Namba

Nobuyoshi Kaneko

Akira Shirai

Keio Okano

Yoshiharu Tagawa

Hidehito Sasaki

Hiroshi Fukuta

Hirokazu Sasaki

Makoto Takeuchi

Masanori Tsunekawa

Ritsu Dobashi

Takeshi Ohishi

Kazuaki Hatano

Koushi Nagae

A presensitized plate having a long press life and excellent resistance to scum and corrosive micro-stains and capable of on-press development is provided. The presensitized plate includes a photosensitive layer containing (A) a sensitizing dye, (B) a polymerization initiator, (C) a polymerizable compound, and (D) a binder polymer; and a protective layer which are formed on a support in this order. The support is prepared from an aluminum alloy plate containing intermetallic compound particles with a circle equivalent diameter of 0.2 &#x3bc;m or more at a surface density of 35,000 pcs/mmor more and aluminum carbide particles with a maximum length of 1 &#x3bc;m or more in an amount of up to 30,000 pcs/g.

Lithographic printing original plate

An aluminum sheet material for lithographic printing plates wherein the number of aluminum carbide particles having a circle equivalent diameter, measured by the PoDFA method, of 3 &#x3bc;m or more is four or less, the number of aluminum carbide particles having a circle equivalent diameter, measured by the PoDFA method, of 3 &#x3bc;m or more.

Aluminum sheet material for lithographic printing plates

Provided is a lithographic printing plate support that has excellent scratch resistance and is capable of obtaining a presensitized plate which exhibits excellent on-press developability and enables a lithographic printing plate formed therefrom to have a long press life and excellent deinking ability after suspended printing. The lithographic printing plate support includes an aluminum plate, and an aluminum anodized film formed thereon and having micropores which extend in a depth direction of the anodized film from a surface of the anodized film opposite from the aluminum plate. Each micropore has a large-diameter portion which extends to a depth of 5 to 60 nm (depth A) from the anodized film surface, and a small-diameter portion which communicates with the bottom of the large-diameter portion, further extends to a depth of 900 to 2,000 nm from the communication position and has a predetermined average diameter.

Support for planographic printing plate, method for producing support for planographic printing plate, and planographic printing original plate

Provided is an anisotropically conductive member that has a dramatically increased density of disposed conductive paths, can be used as an electrically connecting member or inspection connector for electronic components such as semiconductor devices even today when still higher levels of integration have been achieved, and has excellent flexibility. The anisotropically conductive member includes an insulating base and a plurality of conductive paths made of a conductive material, insulated from one another, and extending through the insulating base in the thickness direction of the insulating base, one end of each of the conductive paths protruded on one side of the insulating base, the other end of each of the conductive paths exposed or protruded on the other side thereof. The insulating base is made of a resin material and the conductive paths are formed at a density of at least 1,000,000 conductive paths/mm.

Anisotropically conductive member and method for producing the same

A presensitized plate bringing about the lithographic printing plate which exhibits a high resistance to scumming and in which formation of bulges causing image dropouts is suppressed is provided with the lithographic printing plate support which includes an aluminum plate and an anodized film of aluminum provided on the aluminum plate, and has a micropore extending in the anodized film in the direction of depth from a film surface opposite with a film surface facing the aluminum plate. The micropore is sealed at least partially on its inside with protrusions made of boehmite, and the protrusions made of boehmite which are located on the anodized film have a mean height of less than 15 nm.

Lithographic printing plate support and presensitized plate

An apparatus for manufacturing aluminum alloy strip for a lithographic printing plate supports includes a filter, a launder connected to the filter, a liquid level controller connected to the launder, and a melt feed nozzle connected to the liquid level controller. The liquid level controller includes a step to trap settled particles within an aluminum melt which forms the alloy strip. The launder has a length L (m) which satisfies the condition 4&#x2267;L&#x2267;V&#xd7;270&#xd7;1.2&#xd7;D, where V is the flow velocity in meters per second of the aluminum melt in the launder and D is the depth in meters of the aluminum melt in the launder.

Method and apparatus for manufacturing aluminum alloy strip for lithographic printing plates

A lithographic printing plate support in which surface unevenness due to surface treatment has been suppressed and a presensitized plate of excellent sensitivity are produced from an aluminum alloy plate containing iron, silicon, titanium and boron by specifying the state in which TiBparticles are present in the surface layer and the width of the crystal grains, and by having specific indicators relating to the respective concentrations of iron and silicon in the surface layer following graining treatment fall within specific ranges. In a method of manufacturing the lithographic printing plate support, an aluminum alloy melt having specified alloying ingredients is subjected to a specified casting process to have the amount of the alloying ingredients in solid solution following cold rolling fall within specified ranges.

Lithographic printing plate support, method of manufacturing the same, and presensitized plate

An aluminum alloy sheet for a lithographic printing plate includes 0.03 to 0.15% (mass %, hereinafter the same) of Si, 0.2 to 0.7% of Fe, 0.05 to 0.5% of Mg, 0.003 to 0.05% of Ti, and 30 to 300 ppm of Ga, with the balance being aluminum and inevitable impurities, a surface area of the aluminum alloy sheet having an average recrystallized grain size of 50 &#x3bc;m or less in a direction perpendicular to a rolling direction, an Mg concentration that is higher than the average Mg concentration by a factor of 5 to 50, and a Ga concentration that is higher than the average Ga concentration by a factor of 2 to 20, the surface area being an area up to a depth of 0.2 &#x3bc;m from the surface of the aluminum alloy sheet.

Aluminum alloy sheet for lithographic printing plate

An aluminum alloy sheet for a lithographic printing plate is obtained by homogenizing an ingot of an aluminum alloy at 500 to 610&#xb0; C. for one hour or more, the aluminum alloy containing 0.03 to 0.15% of Si, 0.2 to 0.6% of Fe, 0.005 to 0.05% of Ti, and 2 to 30 ppm of Pb, with the balance being aluminum and unavoidable impurities, subjecting the homogenized product to rough hot rolling, a start temperature of the rough hot rolling being 430 to 500&#xb0; C. and a finish temperature of the rough hot rolling being 400&#xb0; C. or more, holding the product subjected to rough hot rolling for 60 to 300 seconds after the completion of the rough hot rolling to recrystallize the surface of the product, and subjecting the resulting product to finish hot rolling that is finished at 320 to 370&#xb0; C. The aluminum alloy sheet has an average recrystallized grain diameter of 50 &#x3bc;m or less in a surface area in a direction perpendicular to a rolling direction, and has a Pb concentration 100 to 400 times an average Pb concentration in a surface area up to a depth of 0.2 &#x3bc;m from the surface of the aluminum alloy sheet.

Aluminum alloy sheet for lithographic printing plate and method of producing the same

The present invention provides a method for preparing an aluminum support for lithographic printing plate, the aluminum support for a lithographic printing plate obtained by the method and a presensitized plate using the same, characterized in that anodizing treatment is performed on an aluminum plate after hydrochloric acid electrolytic graining treatment if necessary, nitric acid electrolytic graining treatment are performed on the aluminum plate at a specified ratio of quantities of electricity, and with this method, a lower-purity aluminum plate could be used and a obtained support for a lithographic printing plate is excellent in press life and scum resistance when a lithographic printing plate is prepared.

Aluminum support for lithographic printing plate, method of preparing the same and presensitized plate using the same

Disclosed is a microstructure comprising an aluminum anodized film bearing through micropores, wherein a surface of the microstructure is covered with a protective film for preventing hydration of the aluminum anodized film. The microstructure may be used as a porous alumina membrane filter excellent in filtration rate and its stability with time.

Microstructure and method of manufacturing the same

A microstructure includes an anodized aluminum layer that has on a surface thereof micropores, at least some of which contain a catalyst, in a micropore array with a degree of ordering of at least 40%. A method of manufacturing the microstructure includes anodizing an aluminum member to form on its surface an anodized layer having micropores, removing the aluminum member, and supporting a catalyst on at least part of the anodized layer. The microstructure is excellent in heat resistance.

A method of manufacturing a microstructure wherein an aluminum member having an aluminum substrate and a micropore-bearing anodized film present on a surface of the aluminum substrate is subjected at least to, in order, a pore-ordering treatment which involves performing one or more cycles of a step that includes a first film dissolution treatment for dissolving the anodized film until a barrier layer has a thickness of 3 to 50 nm, and an anodizing treatment which follows the first film dissolution treatment; and a second film dissolution treatment for dissolving the anodized film so that a ratio of a diameter of a micropore opening 'a' to a micropore diameter at a height 'a/2' from a micropore bottom &#x201c;b&#x201d; (a/b) is in a range of 0.9 to 1.1, whereby the microstructure having micropores formed on a surface thereof is obtained. The manufacturing method enables microstructures having an ordered array of pits to be obtained in a short period of time.

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Shizuoka, Japan

Akio Uesugi