INK-REPELLENT MEMBER, METHOD OF PRODUCING INK-REPELLENT MEMBER, INK JET HEAD, AND METHOD OF PRODUCING ARTICLE

Abstract: provided is an ink-repellent member including an underlying portion that contains a tantalum oxide, and has a fluorine compound bonded to a surface of the underlying portion via a ta—o—si bond, wherein, when a ratio of a fluorine atom amount with respect to a total of a carbon atom amount, an oxygen atom amount, the fluorine atom amount, a silicon atom amount, and a tantalum atom amount in measurement by x-ray photoelectron spectroscopy of the surface after the ink-repellent member is subjected to an immersion treatment (1) and (2) is represented by f, the f is 50 atm % or more.

Inventor(s): YOHEI MIYAUCHI, TADAHIRO MIMURA, JUNRI ISHIKURA, KOJI SASAKI

CPC Classification: B05D5/083 (to obtain an anti-friction or anti-adhesive surface (rendering particulate materials free-flowing in general, e.g. making them hydrophobic ))

Search for rejections for patent application number 20250214106