Moissanite ornament and method for coating diamond film on surface of moissanite ornament

A diamond film, moissanite technology, applied in clothing, gaseous chemical plating, metal material coating technology and other directions, can solve the problems of poor scratch resistance of moissanite, and achieve improved scratch resistance performance and improved Excellent surface hardness and optical properties

Inactive Publication Date: 2018-11-16
AAA GEMS CO LTD
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Problems solved by technology

[0004] Aiming at the technical problem of relatively poor scratch resistance of moissanite, the present invention proposes a moissanite ornament with

Method used

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  • Moissanite ornament and method for coating diamond film on surface of moissanite ornament
  • Moissanite ornament and method for coating diamond film on surface of moissanite ornament
  • Moissanite ornament and method for coating diamond film on surface of moissanite ornament

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Embodiment Construction

[0021] Refer to the following Figure 1 to Figure 5 The present invention will be described in detail.

[0022] A moissanite ornament, the surface of the moissanite ornament is coated with a diamond film. Take Moissanite as an example, refer to figure 1 , the morphology of the moissanite sample surface of the diamond film coating observed under AFM (atomic force microscope), the coating structure is dense and uniform, and the average grain size is about 100nm-200nm.

[0023] refer to figure 2 , visible at 1331cm -1 Diamond Raman (Raman) characteristic peaks. Located at 1120cm -1 The nearby diffuse peak is related to the grain size of the diamond film, which is a sign that the grains are very small. The appearance of this peak is related to the figure 1 The tiny grains shown in are consistent.

[0024] refer to image 3 , Figure 4 , when the moissanite jewelry with diamond film on the surface and the moissanite jewelry without diamond film are tested under the maxim...

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Abstract

The invention provides a moissanite ornament, and the surface of the moissanite ornament is coated with a diamond film. The invention further provides a method for coating the diamond film on the surface of the moissanite ornament. The method comprises the following steps that S1, ultrasonic grinding pretreatment is conducted on the moissanite ornament in a nano-diamond powder suspension liquid; S2, the moissanite ornament is taken out of the nano-diamond powder suspension liquid and cleaned; S3, the moissanite ornament is pressed into a preset shape-preserving sample table to be kept; S4, themoissanite ornament and the shape-preserving sample table are together put into a diamond film depositing furnace for plasma treatment; and S5, methane is fed into the diamond film depositing furnace, and then in-situ diamond film deposition is conducted. According to the moissanite ornament with the surface coated with the diamond film, the optical properties of moissanite can be kept, and meanwhile the surface hardness can be greatly improved. Therefore, the scratch-resistant property of the moissanite is improved.

Description

technical field [0001] The invention relates to the field of jewelry accessories, in particular to a moissanite ornament, and also relates to a method for coating a diamond film on the surface of the moissanite ornament. Background technique [0002] Moissanite's internal structure, value, and appearance are surprisingly similar to diamonds. Even though it is difficult to distinguish with a diamond pen, Moissanite can shine brighter and more amazing than diamonds, and its price is also lower than that of diamonds. Much cheaper, therefore, moissanite is often used to process into jewelry. [0003] However, moissanite has lower hardness than diamond (diamond), so its scratch resistance is much worse than that of diamond. Contents of the invention [0004] Aiming at the technical problem of relatively poor scratch resistance of moissanite, the present invention proposes a moissanite ornament with high surface hardness. In addition, the present invention also proposes a metho...

Claims

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Application Information

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IPC IPC(8): C23C16/27C23C16/02A44C17/00A44C27/00
CPCA44C17/00A44C27/007C23C16/0245C23C16/0254C23C16/27
Inventor 何金鑫吕反修黑立富
Owner AAA GEMS CO LTD
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