The Polyurethane Isostatic Pressing Molds/Bags for Powders Molding
The Polyurethane Isostatic Pressing Molds/Bags for Powders Molding
In the semiconductor industry chain, wafers are the core basis for manufacturing chips. In order to ensure the high quality and consistency of wafers, advanced preparation technology is particularly important. Among them, isostatic pressing technology, as an advanced material forming method, provides strong technical support for wafer manufacturing. This article will focus on the wafer isostatic pressing mold and the complete mold technology of polyurethane bagss, steel molds and tooling used for isostatic pressing of silicon wafers.
1. The importance of wafer isostatic pressing mold
Wafer isostatic pressing mold is a key part of isostatic pressing molding technology, which directly determines the quality and efficiency of wafer molding. The design and manufacturing accuracy of the mold have a crucial impact on the shape, size and performance of the wafer. High-quality molds can ensure that the wafer is evenly pressed under high pressure, thereby achieving high-density, low-defect molding results.
2. Polyurethane bags for isostatic pressing
In the isostatic pressing process of silicon wafers, the role of the polyurethane bags cannot be ignored. The polyurethane bags is mainly used to wrap the silicone material to form a plastic body to facilitate molding under high pressure. The polyurethane bags needs to have good pressure resistance, wear resistance and corrosion resistance to ensure that it does not crack or deform during the molding process. At the same time, the material and thickness of the polyurethane bags also need to be selected according to specific process requirements to ensure the stability and consistency of the molding effect.
3. Steel mold and tooling complete mold technology
The steel mold is an important part of the isostatic pressing process and is used to fix and protect the polyurethane bags and silicone material. Steel molds need to have high hardness, high wear resistance and high compressive strength to ensure that they will not deform or be damaged under high pressure. At the same time, the design of the steel mold also needs to take into account easy installation and disassembly to facilitate operation and maintenance during the production process.
In addition to the steel mold, tooling is also an integral part of the isostatic pressing process. Tooling is mainly used to assist in positioning and fixing molds and silicon materials to ensure their stability and accuracy during the molding process. The design and manufacturing accuracy of tooling also need to be strictly controlled to ensure the smooth progress of the molding process and the stable quality of the products.
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