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公开(公告)号：US12221690B2
公开(公告)日：2025-02-11
申请号：US17280705
申请日：2021-03-01
Applicant: TOTO LTD.
Inventor： Yuya Suzuki , Saori Ukigai , Hironori Hatono , Atsushi Teramoto , Yuichi Takamatsu , Hana Ishii
IPC: C23C14/00 , B32B15/04 , B32B15/08 , B32B18/00 , C09K3/18 , C23C14/02 , C23C14/06 , C23C14/08 , C23C14/10 , C23C14/34 , C23C14/54 , C23C28/00 , C23C30/00 , B05D1/28 , B05D5/08
Abstract: A part includes a base material, a colored layer, an intermediate layer, and a water-repellent-surface layer. The colored layer contains 35 at % to 99 at % of C, 0 at % to less than 40 at % of Cr, 0 at % to less than 15 at % of N, and more than 0 at % to less than 15 at % of O. The intermediate layer contains at least one metal atom selected from Cr, Zr, and Si; and an oxygen atom. The intermediate layer exhibits a sputtering time of 0.5 minutes or more to 9 minutes or less.
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公开(公告)号：US12000035B2
公开(公告)日：2024-06-04
申请号：US17280675
申请日：2021-03-01
Applicant: TOTO LTD.
Inventor： Yui Noda , Saori Ukigai , Yuya Suzuki
CPC classification number: C23C14/083 , B32B9/005 , C23C14/0015 , C23C14/34 , C23C14/547
Abstract: A part includes a base material, a colored layer on the base material, and a surface layer on the colored layer, wherein the colored layer contains Zr, and optionally, C and/or N, a ratio (HZr oxide/HZr) of a peak height derived from Zr oxide (HZr oxide) to a peak height of Zr (HZr) at an interface of the colored layer on the side of the surface layer is more than 0 and less than 4.5, the interface is a point where Zr is detected by sputtering the part from the side of the surface layer with an XPS depth direction analysis, and the ratio (HZr oxide/HZr) at a point where Ar sputtering is performed for 5 minutes from the interface of the colored layer on the side of the surface layer with the XPS depth direction analysis is 0 to less than 3. The surface layer is water-repellent and exhibits a sputtering time of 5 minutes or less.
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