Dainippon Screen Mfg. Co., Ltd.

Mitsubishi Paper Mills Limited

Masaharu Kimura

Takashi Hara

Kaoru Shimbara

Eiji Miyasaka

Jun Urasaki

Yoshikazu Takano

Akira Kunihiro

Yasuhiro Kawaguchi

Tsuyoshi Harada

Sadao Kuriu

Kyonosuke Yamamoto

Kunihiro Tanabe

Yasuhiro Kurata

Fumito Fukuhara

A substrate treatment method for treating a substrate by supplying a treatment liquid to the substrate while rotating the substrate. The method comprises the steps of: performing a first substrate rotation process for rotating the substrate while clamping the substrate by a first clamping member set; performing a second substrate rotation process after the first substrate rotation step for rotating the substrate while clamping the substrate by the first clamping member set and a second clamping member set provided separately from the first clamping member set; and performing a third substrate rotation process after the second substrate rotation step by unclamping the substrate from the first clamping member set for rotating the substrate while clamping the substrate by the second clamping member set.

Substrate treatment method and substrate treatment apparatus

The apparatus for coating a photosensitive material (M) with a processing liquid comprises an activator coating mechanism (43) for metering a constant amount of activator to apply the metered activator to the photosensitive surface of the photosensitive material fed by the pair of introduction rollers. The activator is supplied form a plurality of discharge holes (121) bored in a pipe (122) and is once received by a receiving portion (124). The activator is diffused horizontally and flows downwardly through a plurality of openings (123) bored at the bottom of the receiving portion onto a coating roller (125). The activator is diffused again at the contact between the coating roller and a diffusion film (126) and is coated to the photosensitive material by the coating roller.

Apparatus for processing photosensitive material

The apparatus for coating a lithographic printing plate or a photosensitive material (M) with a processing liquid comprises first and second pairs of feed rollers (41,42: 44,45) for feeding the photosensitive arterial along a predetermined path. A coating roller (125) is provided therebetween. Guide members (48, 49) contact the bottom surface of the photosensitive material and to guide the photosensitive material. The contacts of the guide members and the photosensitive material are at the levels higher than the coating level at which the processing liquid is applied to the photosensitive material to prevent uneven coating of the photosensitive material with the processing liquid after the trailing edge of the photosensitive material has passed the first pairs of the feed rollers (41,42).

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Kyoto, Japan

Masaharu Kimura