Process for making PCB (Printed Circuit Board) micro-fine tool by nitrogen chromic oxide and diamond-like carbon film composite coating
A technology of diamond-like film and chromium oxynitride, which is applied in metal material coating process, coating, ion implantation plating, etc., can solve the problems of low friction coefficient and achieve the effect of low friction coefficient, good lubricating performance and high hardness
Inactive Publication Date: 2014-04-23
武汉世纪中航超强金刚石膜高科技有限公司
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Problems solved by technology
The use is: PCB milling cutter and micro drill (drill needle) with chromium nitride plus diamond-like film composite coating not only maintain the toughness of the cemented carbide substrate but also play the high hardness of the chromium nitride plus diamond-like film composite coating, Low friction coefficient and good lubricating performance and heat dissipation performance, the composite coated PCB cutting tool of the present invention satisfactorily solves the problems of broken knife, sticky knife, splint, tearing, roughing of import and export, etc.
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[0029] Such as figure 1 , figure 2 As shown, a diamond-like carbon film coating equipment with high adhesion, high hardness and low friction coefficient includes a coating chamber 2, a planetary rotating workpiece holder 6, a magnetic filter arc source 1, a molecular pump 5, and a frame 4.
[0030] The coating chamber 2 is fixedly installed on the frame 4. The coating chamber 2 adopts a vertical cylindrical structure Ф900×900mm, made of stainless steel, an overall double-layer water-cooled structure, and a front-opening door structure, which is convenient for changing samples, targets 15 and daily maintenance. . After the overall welding of the vacuum chamber, heat treatment is carried out to eliminate welding stress and prevent post-welding deformation. The front part of the coating chamber 2 is provided with a feed door 7 and an observation window, and the top of the coating chamber 2 is provided with a tubular heater 9, a thermocouple interface 8, an inflation valve and ...
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The invention provides a process for making PCB (Printed Circuit Board) micro-fine tool by adopting CrO2N+DLC (diamond-like carbon), namely nitrogen chromic oxide and diamond-like carbon film composite coating. The process is completed through steps of cleaning and drying, polishing and grinding, pretreating, depositing to obtain the nitrogen chromic oxide and diamond-like carbon film dual-layer composite coating by using high-vacuum multi-arc target high-ionization magnetic filtration plasma DLC deposition equipment. The PCB micro-fine tool using the CrO2N+DLC composite coating keeps the flexibility of a hard alloy matrix, and has high hardness, low friction coefficient and better lubricating performance and heat radiation performance; the problems of tool breaking, tool adhering, plate clamping, tearing, galling and the like which are usually caused by a PCB micro drill or mill are solved.
Description
technical field [0001] The invention relates to the field of cutting tools for PCB processing, in particular to a CrO compound that can improve the service life and work efficiency of PCB tools. 2 N+DLC is: PCB milling cutter and micro drill (drill needle) with chromium oxynitride + diamond-like film composite coating. Background technique [0002] my country's PCB development work began in 1956, and gradually expanded from 1963 to 1978 to form the PCB industry. More than 20 years after the reform and opening up, due to the introduction of foreign advanced technology and equipment, single-sided, double-sided and multi-layer boards have achieved rapid development, and the domestic PCB industry has gradually developed from small to large. Due to the concentration of downstream industries and the relatively low cost of labor and land, China has become the region with the strongest development momentum. In 2002, it became the third largest PCB output country. In 2003, PCB out...
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Login to View More IPC IPC(8): C23C14/32C23C14/06
Inventor 陈远达王胜云何静
Owner 武汉世纪中航超强金刚石膜高科技有限公司