Application of high quality beveling grinding wheel in pure silicon processing technology

Abstract The roughness of the beveled surface: sp; the beveled edge process is an important process in the pre-processing of silicon wafers, which affects the overall product output, post-processing time and product cost. The hard and brittle silicon material is easy to produce a large amount of chips during the beveling process, thus reducing the production...
The beveled edge process is an important process in the silicon wafer pre-processing process, affecting the overall product yield, post-processing time and product cost. Hard and brittle silicon materials are prone to large amounts of chips during the beveling process, which reduces the quality of the product. In addition, in the processing of hard materials, the bonding agent wears faster, and it is difficult to ensure the shape accuracy of the workpiece. Tool life is further reduced, and frequent tool trimming increases processing costs.

The processing of hard silicone resin usually uses a metal bond diamond grinding wheel, and the ordinary metal bond contains a metal component which adversely affects the silicone resin and needs to be removed.

In order to reduce the amount of chips and processing damage, Japan's TDT Mfg uses a unique diamond abrasive particle control technology to prepare a metal bond double bevel wheel and a notch grinding wheel for semiconductor wafers; the bonding agent has high wear resistance and can maintain good The wheel size and tool life is longer. The number of new and re-grinding wheels required to process a unit number of wafers is greatly reduced, thereby saving processing costs. In addition, TDT Mfg has adopted a new manufacturing process to develop an alloy component to replace the common metal bond, thereby reducing the adverse effects on silicon wafers.

Metal bond double beveled grinding wheel:

Notch grinding wheel:

Beveled surface roughness:

Processing parameters:

The so-called Pharmaceutical Intermediates, refers to the production of pharmaceutical products in the process, the use of raw materials, materials, accessories and other intermediate products. In fact, some of the chemical synthesis process for the chemical raw materials or chemical products. This chemical products, do not need the production license of drugs in the ordinary chemical plant can be produced, as long as some of the level, can be used for the synthesis of drugs.

Pharmaceutical Intermediates

Pharmaceutical Intermediates,Boron Trifluoride Tetrahydrofuran,Cyclohexane Dicarboxylic Acid,Pharmaceutical Grade Tianeptine Sodium

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