Q:What kind of circuit board

Metal plate is mainly aluminum substrate, copper substrate and so on

Q:What are the circuit board display devices?

The name of the circuit board is: circuit board, PCB board, aluminum substrate, high frequency board, thick copper plate, impedance board, PCB, ultrathin circuit board, ultrathin circuit board, printing (copper etching technology) circuit board, etc.. The circuit board makes the circuit miniaturization and intuitive, and plays an important role in the mass production and optimization of the electrical layout of the fixed circuit. Circuit board can be called printed circuit board or printed circuit board, English name (Printed Circuit Board) PCB.

Q:How many kinds of materials are printed circuit boards? Which is the best?

According to the classification of CCL flame retardant performance, can be divided into flame retardant (UL94 a VO, UL94 a V1 class) and non flame retardant (UL94 a HB) two kinds of board. In the past one or two years, with the more attention to the environmental protection problem, a new kind of bromine free CCL variety, which is a new type of flame retardant CCL, can be called "green flame retardant cCL". With the rapid development of electronic technology, cCL has higher performance requirements. Therefore, from the performance of the CCL classification, is divided into the general performance of CCL, low dielectric constant CCL, high heat resistance of the CCL (general board of L above 150 degrees Celsius), low thermal expansion coefficient of CCL (commonly used for packaging substrate) and other types.

Q:Why don't you get rid of PCB hard PCB?

Design factors: the need for the use of plug-in components of the PCB, can only use the rigid plate, what you say and there are a lot of stress; the PCB, can only use the rigid plate

Q:What are some of the PCB substrate materials? How to classify?

General printed circuit board substrate materials can be divided into two categories: rigid substrate material and flexible substrate material. General rigid substrate material is an important variety of copper clad laminate. It is used for reinforcing material (Reinforeing Material), impregnated with resin adhesive by drying, cutting, laminating blank, and then covered with copper foil, as die steel, in the hot press with high temperature and high pressure forming process and made. Generally used in the semi - thick plate, is the copper clad plate in the production process of semi-finished products (mostly glass cloth impregnated with resin, after drying).

Q:Do LED soft light with which kind of circuit board

Mainly used as electronic components of the conduction volume relative to the PCB is small, the corresponding space is small, but the price is expensive. Above is my understanding of the board, I hope to help you.

Q:What's the difference between PCB and FBC?

FBC is fed batch fermentation fed batch fermentation (fed-batchculture, referred to as FBC), also known as semi continuous or semi continuous fermentation

Q:Is the circuit board poisonous?

The circuit board with the rapid development of microelectronics technology, the development of multi-layer circuit board manufacturing, laminated, functional and integrated manufacturing technology, the more difficult the printed circuit board, vertical plating technology can not meet the requirements of conventional high quality and high reliability of interconnection hole technology, and electroplating technology.

Q:How much is the warpage of the circuit board, and how to detect the warpage of the FPC?

Method for detecting warpage is put on the printed circuit board by the test platform, the test needle to warp the largest local, in order to test the diameter of the needle, divided by the PCB curved edge length, we can calculate the soft board warpage.

Q:What is a circuit board milling machine? And numerical control which is easier?

But if the processing circuit board substrate, the accuracy can be up to standard, it is very cost-effective, which itself has a simple numerical control.