Precision machining technology refers to the processing technology whose machining accuracy and surface smoothness are higher than those of the corresponding processing methods. There must be a lot of matters will pay attention to when processing, there will be a lot of factors affecting the quality of the product, so we must pay attention to some details of the above problems, then we will understand the requirements of precision processing for the material

CNC precision machining generally refers to the electronic computer numerical control machine tool control of precision equipment processing, the following by lifei xiaobian to take you to understand the CNC precision processing processes are what? First, the process distribution of CNC precision machining needs to be considered according to the structural characteristics and vacancy of parts and the standard of positioning and clamping. The stiffness of the parts is not easily destroyed.

In general, according to the division of the international precision tolerance class, IT6 is widely used in machining important fit index. IT6 means with the surface has higher uniformity requirements, can ensure quite high with the property, the use of stable and reliable, machining center can complete drilling, milling, boring, expanding, reaming, rigid tapping, etc

Semiconductor electronic parts processing in addition to the well-known "design, manufacturing, packaging, testing" four links, the middle of the overall link is actually very complex, can be divided into the front section of the process and after the process. Semiconductor electronic parts processing begins with the most basic material - silicon wafer

Semiconductor electronic parts processing includes the following steps, which are reused: Photolithography, etching, thin film (chemical vapor deposition or physical vapor deposition), doping (thermal diffusion or ion implantation), chemical mechanical flattening of CMP, using monocrystalline silicon wafers (or III-V family such as gallium arsenide) as the base, and then using photolithography, doping, CMP and other techniques to make MOSFET or BJT components

Advances in semiconductor electronic parts processing: The most advanced semiconductor electronic parts are at the heart of microprocessors, or multi-core processors, that can control everything from computers to mobile phones to digital microwave ovens. Although the cost of designing and developing a complex integrated semiconductor electronic component is very high