Zhongao Huicheng Technology Co., Ltd.

Beijing Nano Hi-tech Material Co., Ltd.

Jiangping Tu

Gong Jin

Lingling Li

Gang Wang

Meina Wang

Yang Yu

Xiuli Wang

Hongwei Chen

Zhijiang Guo

The present invention aims at improving and upgrading the conventional devices based on the low temperature magnetron sputtering coating devices. Starting from the material systems, the invention provides a new material system and a manufacturing method thereof based on a high molecular weight polyethylene joint cup to solve the poor binding force problem between the film and the matrix, and the problems of easy oxidization and carbonization of high molecular weight polyethylene with low temperature magnetron sputtering technologies at the same time. On the above basis, the ultra-lubrication performance of graphite-like structure films and ultra-hardness of diamond-like structure films are utilized to construct a nano-scale multilayer structure DLC film alternatively coated with a graphite-like film and a diamond-like film. The present invention improves the wear resistance of high molecular weight polyethylene joint cups, and restricts low accuracy of joints due to creeping by constructing a new artificial hip joint cup of ultra-wear-resisting nano-scale multilayer structure DLC film with high hardness and self-lubricating capability.

Artificial joint cup, magnetic control sputtering coating film device and preparation method thereof

A magnetron sputtering coating device includes a deposition chamber, sputtering cathodes, a rotating stand within the deposition chamber, a support platform on the rotating stand, a first rotation system for driving the rotating stand to rotate around a central axis of the rotating stand, and a baffle fixed on the rotating stand. The sputtering cathodes are arranged around and perpendicular to the rotating stand.

Magnetron sputtering coating device, a nano-multilayer film, and the preparation method thereof

A method for treatment of saline-alkali land is provided, comprising at least one self-circulating process, the self-circulating process comprising: step 1, converting saline-alkali water deposited in the saline-alkali land into acidic water by an electrolysis system, whereby the salt content of the acidic water is lower than that of the saline-alkali water; and step 2, leaching the saline-alkali land with leaching water comprising the acidic water. A device for treatment of saline-alkali land according to the above-described method is also provided, comprising: an electrolysis system for converting saline-alkali water deposited in the saline-alkali land into acidic water, whereby the salt content of the acidic water is lower than that of the saline-alkali water; and a leaching system for leaching the saline-alkali land with leaching water comprising the acidic water.

Method and device for treatment of saline-alkali land

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Beijing, China

Jiangping Tu