source:Industry News release time:2022-12-19 Article author:yu Popular:pcb
IC packaging carrier board is a branch of PCB, because it has the same structural design as PCB. The insulating substrate contains wires and interconnection holes, with higher density; The same substrate material type is resin plate or ceramic plate and copper foil; The production process is basically the same with the same production process and equipment. Many PCB manufacturers also use their PCB production technology advantages to invest in the production of IC packaging carrier. These facts tell us that IC packaging carrier is a kind of PCB, which has been recognized in the industry.
PCB is basically classified in two forms: one is by product structure, and the other is by product use.
According to the product structure, there are three categories of rigid panel (RPCB), flexible panel (FPCB) and rigid flex joint panel (R-FPCB), followed by single panel (SSB), double panel (DSB) and multilayer panel (MLB). Generally, the single-sided, double-sided and multilayer boards are rigid when flexibility is not specified. The rigid flex joint boards are classified as flexible boards because of their small production ratio. In addition to the traditional single-sided, double-sided and multilayer boards, there are also high-density interconnection (HDI) boards, metal base (core) boards, embedded component boards, etc.
According to the purpose of the product, the PCB is called the board for which the terminal device is used, the computer board for computers, and the automobile board for automobiles; Complex electronic devices are subdivided into parts or functions, such as computer motherboards, computer memory boards, and so on. IC packaging carrier is called according to the purpose of PCB. Distinguish by PCB structure and by use. The two can better reflect PCB performance characteristics and reflect the technical level than distinguishing by structure.
Differentiation by use indicates the use of PCB, which may not accurately reflect its performance requirements. For example, the performance requirements of automotive PCB in different parts of the vehicle vary greatly. Therefore, the classification of PCB is better based on the product structure, and the PCB product standard is more accurate based on the structure type.
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