US 2023/0145251 A1Published application

Hard coating film, and member coated with sand-abrasion-resistant hard coating film which includes same

AssigneeKabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)

InventorKoichiro AKARI

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Abstract

Provided is a hard coating film having excellent sand abrasion resistance. The present invention relates to a hard coating film (20) including a nitride containing Al and Cr as main components, the hard coating film (20) having a thickness of 6 μm or more.

Claims4

Dependent claims

A hard coating film comprising a nitride containing Al and Cr as main components,

the hard coating film having a thickness of 6 μm or more.

Dependencies are inferred from the claim text.

Facts

Application: 17/906,455Filed 12 Mar 2021
Priority: JP 2020-0685916 Apr 2020
Published: 11 May 2023
Term ends: Not estimatedThe source records don’t support an estimate.

Classification7 codes

C23C 14/0641
Characterised by the coating material: nitrides
C23C 14/325
By explosion; by evaporation and subsequent ionisation of the vapours , e.g. ion-plating: electric arc evaporation
C23C 14/0021
Coating by vacuum evaporation, by sputtering or by ion implantation of the coating forming material: reactive sputtering or evaporation
C23C 30/005
Coating with metallic material characterised only by the composition of the metallic material, i.e. not characterised by the coating process: on…

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US 12,241,152 B2Related patent
US 2023/0145251 A1This patent

From the US filing history. Foreign family members aren’t listed.

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