# US 8,784,986 B2 · Coated article and method for manufacturing same

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- Number: US 8,784,986 B2
- Document ID: US8784986B2
- Status: Granted
- Kind: B2
- Application number: 13/284,670
- Filed: 2011-10-28
- Published: 2012-11-01
- Granted: 2014-07-22
- Earliest claimed: 2011-04-28
- Assignees: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.; Hon Hai Precision Industry Co., Ltd.
- Applicants: Hsin-Pei Chang; Wen-Rong Chen; Huann-Wu Chiang; Cheng-Shi Chen; Juan Zhang
- Inventors: Hsin-Pei Chang; Wen-Rong Chen; Huann-Wu Chiang; Cheng-Shi Chen; Juan Zhang
- Web page: https://patentgrep.com/patent/US8784986B2

## CPC

- C23C 14/35: by application of a magnetic field, e.g. magnetron sputtering {(C23C14/3457 takes precedence)}
- C04B 35/593: obtained by pressure sintering
- C04B 35/645: Pressure sintering
- C23C 14/0057: {using reactive gases other than O2, H2O, N2, NH3 or CH4}
- C23C 14/06: characterised by the coating material ({C23C14/0021} , C23C14/04 take precedence)
- C23C 14/3414: {Metallurgical or chemical aspects of target preparation, e.g. casting, powder metallurgy}
- C23C 14/345: {using substrate bias}
- C04B 2235/386: Boron nitrides
- C04B 2235/3873: Silicon nitrides, e.g. silicon carbonitride, silicon oxynitride
- C04B 2235/421: Boron
- C04B 2235/604: Pressing at temperatures other than sintering temperatures
- C04B 2235/6562: Heating rate
- C04B 2235/661: Multi-step sintering
- C04B 2235/666: Applying a current during sintering, e.g. plasma sintering [SPS], electrical resistance heating or pulse electric current sintering [PECS]
- Y10T 428/265: 1 mil or less
- C23C: COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL (making metal-coated products by extrusion B21C23/22; covering with metal by connecting pre-existing layers to articles, see the relevant places, e.g. B21D39/00, B23K; metallising of glass C03C; metallising mortars, concrete, artificial stone, ceramics or natural stone C04B41/00; enamelling of, or applying a vitreous layer to, metals C23D; treating metal surfaces or coating of metals by electrolysis or electrophoresis C25D; single-crystal film growth C30B; by metallising textiles D06M11/83; decorating textiles by locally metallising D06Q1/04)
- C04B: LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE {(roofing granules E04D7/005)}; CERAMICS (devitrified glass-ceramics C03C10/00); REFRACTORIES; TREATMENT OF NATURAL STONE
- Y10T: TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION

## Abstract

A coated article includes a substrate and a Si—B—C—N ceramic coating deposited on the substrate by magnetron sputtering process. The Si—B—C—N ceramic coating is an amorphous coating, the weight of elemental Si in the coating is between about 30 wt % and about 60 wt % of the total weight of Si, B, C and N, the weight of elemental B in the coating is between about 10 wt % and about 20 wt % of the total weight of Si, B, C and N, the weight of elemental C in the coating is between about 10 wt % and about 20 wt % of the total weight of Si, B, C and N, the weight of elemental N in the coating is between about 20 wt % and about 30 wt % of the total weight of Si, B, C and N.

## Claims

### Claim 1

A coated article, comprising:
a substrate; and
a Si—B—C—N ceramic coating deposited on the substrate by magnetron sputtering process using Si—B—N as targets and using acetylene as reactant gas;
wherein the Si—B—C—N ceramic coating is an amorphous coating and consists essentially of chemical elements Si, B, C, and N, the weight of elemental Si in the coating is between about 30 wt % and about 60 wt % of the total weight of Si, B, C and N, the weight of elemental B in the coating is between about 10 wt % and about 20 wt % of the total weight of Si, B, C and N, the weight of elemental C in the coating is between about 10 wt % and about 20 wt % of the total weight of Si, B, C and N, the weight of elemental N in the coating is between about 20 wt % and about 30 wt % of the total weight of Si, B, C and N.

### Claim 2 (depends on 1)

The coated article as claimed in claim 1, wherein the substrate is made of stainless steel, aluminum or aluminum alloy.

### Claim 3 (depends on 1)

The coated article as claimed in claim 1, wherein the Si—B—C—N ceramic coating has a thickness between 100 nm and 1000 nm.