Kabushiki Kaisha Toshiba

Toshiba Tec Kabushiki Kaisha

Toru Ushirogochi

Koji Asakawa

Naomi Shida

Masashi Hiroki

Kazuhiko Ohtsu

Ryozo Akiyama

Makoto Nakase

Mitsuru Ishibashi

An inkjet ink is provided, which includes a solvent and a pigment having an average particle diameter of not larger than 250 nm. The number of flocculates of pigment particles having a diameter of 1 &#x3bc;m or more is 1.6&#xd7;10/cmor less.

Inkjet ink, inkjet recording method, method of evaluating inkjet ink, and method of manufacturing inkjet ink

A photosensitive composition for forming a pattern through a light-exposure with either one of ArF excimer laser and F.sub.2 excimer laser, which comprises a compound having either an acid-decomposable or acid-crosslinkable group, and a compound represented by the following general formula (1): ##STR1## wherein Ar.sup.1 and Ar.sup.2 are individually an aromatic ring or condensed aromatic ring, R.sup.1 and R.sup.2 are individually halogen atoms or monovalent organic group, X is a group selected from the group consisting of CF.sub.3 SO.sub.3, CH.sub.3 SO.sub.3, CF.sub.3 COOH, ClO.sub.4, SbF.sub.6 and AsF.sub.6, Z is a group selected from the group consisting of Cl, Br, I, S--R and Se--R (R is an alkyl group having 1 to 10 carbon atoms or perfluoroalkyl group having 1 to 10 carbon atoms), and m and n are 0 or a positive integer.

Photo-sensitive composition

Growing community of inventors

Yokohama, Japan

Toru Ushirogochi