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With the rapid development of digital technology, electronic products are undergoing tremendous changes, especially in the mobile phone industry. As we all know, chips are the core components of smart phones, and the development of chip industry is related to the development of mobile phones and other electronic products.

There are three methods of resist coating: liquid resist coating method and FPC resist coating method for circuit board

Faced with the increasingly high integration of hardware platforms and more and more complex electronic systems, the PCB layout should have a modular thinking, which requires the use of modularity in the design of hardware schematics and PCB wiring. , Structured design method. As a hardware engineer, on the premise of understanding the overall architecture of the system, first of all, we should consciously merge modular design ideas in the schematic diagram and PCB wiring design, combined with the actual situation of the PCB, plan the basic idea of PCB layout.

There are many forms of matter, such as solid, liquid, gas, plasma and so on. We usually call materials with poor conductivity, such as coal, artificial crystal, amber, ceramics and so on, insulators. Metals with good conductivity, such as gold, silver, copper, iron, tin and aluminum, are called conductors. The material between conductor and insulator can be simply called semiconductor. Compared with conductors and insulators, the discovery of semiconductor materials is the latest. Until the 1930s, when the purification technology of materials was improved, the existence of semiconductors was really recognized by the academic community.

The core values of HONTEC are "professional, integrity, quality, innovation" ,adhere to the Prospering Business Based on Science and Technology , the road of scientific management, uphold the "Based on the talent and technology, provides the high quality products and services, to help customers achieve maximum success" business philosophy, has a group of industry experienced high-quality management personnel and technical personnel.

Before designing multi-layer PCB, the designer needs to first determine the circuit board structure according to the scale of the circuit