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Manufacturing method of diamond coating film and its application

A manufacturing method and diamond coating technology, which are applied in gaseous chemical plating, metal material coating process, coating and other directions, can solve the problems of diamond film defects, easy-to-wear substrates, diamond film cracks, etc., to reduce assembly cracks, The effect of reducing thermal stress cracking and improving mechanical toughness

Inactive Publication Date: 2010-05-12
KINIK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, non-metallic materials that are generally suitable for chemical vapor deposition of diamond films are easy to combine with carbon atoms, making it difficult for the diamond film to separate from the non-metallic substrate and become a free body. Not only is it easy to lose the substrate when detaching, but it is also easy to cause defects in the diamond film.
On the other hand, the thermal residual stress and atomic lattice mismatch between the two still make the diamond film at risk of cracking

Method used

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  • Manufacturing method of diamond coating film and its application
  • Manufacturing method of diamond coating film and its application
  • Manufacturing method of diamond coating film and its application

Examples

Experimental program
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Embodiment Construction

[0021] According to the manufacturing method of the diamond coating disclosed in the present invention, it can be applied to the production of various diamond coatings without any special limitation. Please refer to Figure 1A-1D , take the vibrating membrane as an example to explain in detail.

[0022] Such as Figure 1A As shown, a substrate 10 is provided. The substrate 10 is a material that is easily thermally decomposed and has a heat-resistant temperature of about 200° C. to 400° C., such as a polymer material. Of course, the shape of the substrate 10 matches the required vibration The thickness of the substrate 10 ranges from 0.1 mm to 30 mm. For the thermogravimetric analysis (Thermogravimetric Analysis; TGA) diagram, please refer to figure 2 , when the thermal decomposition temperature is exceeded, the thermal weight will be greatly reduced instantly, as shown in the figure, which is about 400 degrees.

[0023] Then coat a conversion layer 12 on the top of the subst...

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Abstract

This invention relates to diamond-coating method and its application. It contains steps: selecting lower temperature decomposition material as the base-material, making the same to form the required shape, and coating a conversion layer onto the base-material, and then coating the diamond layer, this conversion layer can increase even covering of diamond layer, and reducing thermal stress broken and damaged due to assembling. The base material is decomposed due to high temperature during exection of diamond-coating layer so making the demould operation being easy.

Description

technical field [0001] The invention relates to a method for manufacturing a diamond coating, which is applied to applications such as vibrating membranes and trimmers, especially a method for manufacturing a diamond coating that can be thermally decomposed into substrates at high temperatures. Background technique [0002] Diamond material has a number of excellent mechanical properties and strength, and is suitable for manufacturing light-weight, high-rigidity diaphragms, which can be used in mid- and high-frequency speakers. The diaphragm vibrates at this frequency to produce the desired sound. The higher the vibration frequency of the diaphragm, the stricter the mechanical strength and quality requirements of the diaphragm, which can be achieved by using a diamond thin film to make the diaphragm. [0003] The diamond vibrating film generally uses a metal or non-metal substrate with a preformed shape (it can be powder, block or diaphragm, etc.) for the growth of the diam...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C16/27C23C16/01C23C16/52
Inventor 张孝国
Owner KINIK
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