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Surface treatment process

A technology of surface treatment and processing time, applied in the field of surface treatment using γ-rays, can solve the problems of complex process, inability to process materials, high processing cost, etc., and achieve the effect of simple process and wide application

Inactive Publication Date: 2007-03-21
HONG FU JIN PRECISION IND (SHENZHEN) CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, its disadvantages are: the production cycle of the film is long; the positioning of the mold is required to be high during molding, which makes the process more complicated and the processing cost is higher
Some materials cannot be processed by the traditional surface treatment methods mentioned above, for example, the in-mold decoration method can usually only process plastic materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0008] The preferred embodiment of the surface treatment method of the present invention is a surface treatment method applied to products such as metal alloys, composite materials, plastic materials, bamboo, wood, glass and glass-ceramics.

[0009] The surface treatment method is to first place the product to be processed in an environment with a temperature of 10-30°C and a humidity of 20%-60%; then provide a gamma-ray source, which can emit gamma rays; The radiation source is aimed at the surface of the product and hits the surface of the product to be processed. The gamma-ray source can be cobalt 60 (Co-60, cobalt), cesium 134 (Cs-134, cesium) or cesium 137 (Cs-137, cesium). The emission energy of the gamma-ray source may be 100-3000 kev, preferably 500-1500 kev. When cobalt 60 is used as the gamma ray source, the radiation dose rate is 100 to 3000 kilogray / s (KGy / s).

[0010] The following uses glass and bamboo as an example to illustrate the surface treatment method.

[0011...

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PUM

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Abstract

The present invention discloses surface treatment process. The surface treatment process includes the following steps: setting the product in the environment of 10-30 deg.c temperature and 20-60 % humidity, providing one gamma ray source with ray energy of 100-3000 kev, and emitting gamma ray to the surface of the product.

Description

【Technical Field】 [0001] The present invention relates to a surface treatment method, in particular to a surface treatment method using gamma rays. 【Background technique】 [0002] With the rapid economic development, people's living standards are improving day by day, and computers, communication products (Communication Electronics) and consumer products (3C products) have been widely used by people and flooded in people's lives. The performance of 3C products is constantly improving, and people’s aesthetics is constantly improving. Computer cases, display cases, mobile phone cases, MP3, PDA cases, etc. all need surface decoration to make their surfaces more beautiful, so as to meet consumers’ demands. Visual requirements. Traditional surface treatment methods include spraying, stickers, and In-Mold Decoration (IMD). [0003] The existing spraying and sticker methods are respectively spraying a layer of coating material and pasting a layer of paper on the surface of the product. ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C21D1/09B29C71/04C03B27/012
CPCC03C23/0035
Inventor 陈杰良
Owner HONG FU JIN PRECISION IND (SHENZHEN) CO LTD