Dicing Blade selection for wafer cutting

At present, most of the wafer cutting is using high precision scribing machine, which is mainly mechanical processing.

Under the action of mechanical stress, the wafer is prone to quality abnormalities after cutting. Common quality abnormalities include: product surface, back Chipping, PAD oxidation, delamination, missing Angle and other abnormalities.

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The application of internal grinding wheel

Electroplated diamond grinding head is widely used in optical lens, prism, watch glass and sapphire glass. Through the processing of various workpiece, in order to achieve the effect of grinding, fitting, polishing.

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Grain Size Standard Comparison Chart

MoreSuperHard Standard Grain Size Standard International Comparison Chart 

 

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Eurasian Industry Fair 2021

The 29th Western Manufacturing Expo 2021 and Eurasian Industry Fair held in China’s Xian International Convention and Exhibition Center on March 18-21th, 2021. Three representatives of Joe, Jim and Anna from More Superhard Co., Ltd. participat.

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How to distinguish ND, MCD, PCD?

Diamond is mainly divided into single crystal system and polycrystalline system.
The single crystal system is divided into natural diamond ND and synthetic single crystal. Among them, synthetic single crystal is divided into artificial single crystal MCD and synthetic single crystal CVD.
The polycrystalline system is divided into polycrystalline diamond PCD and chemical vapor CVD.

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MCD Single Point forming dresser

The process the shape of precise form to the grinding wheel, screw grinding wheels and geared grinding wheels into the require shape.

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Advantages of domed type PDC cutter and PDC bits for drilling gravel formations

Domed type PDC bits front teeth are non-planar cutters, the back teeth are conical teeth, the front row tooth composite plate adopts convex ridge structure design, which can effectively improve the impact resistance and wear resistance of the bit. Rear row compound conical teeth are conical cutting elements, which can effectively share the drilling load of the front row main cutters by participating in formation fragmentation, which is conducive to protecting the front row cutters and greatly improving the service life of the bit.

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How to choose CBN/diamond wheels when grinding steel and carbide at the same time

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SEMICON China 2021

Beginning in 2019, the United States began to block China’s chip technology. The national strategy has been to develop the semiconductor industry, and a large amount of funds and talent flow to this industry. On the opening day of the exhibition, there were huge crowds and an unprecedented grand occasion. The number of visitors was larger than in the past, and the prospects for the vigorous development of the semiconductor industry can be seen.

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