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China Wholesale Single Circuit Board Quotes - 4 Layer FPC+FR4 Rigid-Flex PCB 12 – Huihe
Advantages of Rigid-Flex PCB 1. It can effectively save the space on the PCB and the process of using the connector 2. Simplify product assembly and save assembly time 3. The distance of signal transmission is shortened and the speed is increased, which can effectively improve the reliability Application of the Rigid-Flex PCB 1.Medical electronics: applications for pacemakers, hand-held displays, cochlear implants, imaging devices, wireless controllers, drug delivery systems, etc. 2.Military ... -
China Wholesale Gamepad Pcb Manufacturers - 4 Layer FR4+Rogers PCB 28848 – Huihe
The difficulty of laminated structure of mixed press PCB One of the major challenges in RF/microwave applications is how to ensure that the actual tolerances are within the design tolerances, so as to achieve the desired operating frequency. One of the biggest challenges in the lamination design of mixed-pressure structures is to have uniform thickness between different panels or even between different pieces. Due to the existence of a variety of substrate material types, there are a variety ... -
China Wholesale Round Pcb Board Pricelist - 6 layer ENIG Heavy Copper PCB – Huihe
Heavy copper PCB is a layer of copper foil bonded on glass epoxy substrate of printed circuit board. When the thickness of finished copper is more than or equal to 2oz, it is defined as heavy copper PCB. heavy copper PCB has the best extensibility and is not limited by processing temperature. Even in extremely corrosive atmosphere, copper PCB will form a strong and non-toxic passivation protection layer. heavy copper PCB is widely used in various home appliances, high-tech products, military,... -
China Wholesale Single Circuit Board Quotes - 8 Layer FPC+FR4 Rigid-Flex PCB – Huihe
The birth and development of FPC and PCB gave birth to the new product of Rigid-Flex PCB. Therefore, the combination of flexible PCB and Rigid PCB is a kind of circuit board with FPC characteristics and PCB characteristics, which is formed by combining flexible circuit board and Rigid circuit board together according to relevant process requirements through pressing and other processes. Because Rigid-Flex PCB is the combination of FPC and PCB, the production of FPC and PCB should be equipped ... -
China Wholesale Ic Boards Quotes - 6 Layer FR4+Rogers PCB 28727 – Huihe
Features of high frequency PCB 1. High frequency PCB with small dielectric constant, loss will be very small, and advanced induction heating technology can achieve the needs of the target heating, very high efficiency. Of course, while paying attention to efficiency, it also has the characteristics of environmental protection, which is very suitable for the development direction of today’s society. 2. The transmission speed is inversely proportional to the square root of the dielec... -
China Wholesale Lcd Pcb Board Manufacturers - 4 layer Medium TG ENIG PCB 13270 – Huihe
About High Tg PCB High Tg means high heat resistance. With the rapid development of the electronic industry, especially the electronic products represented by computers, the development of high functionalization and high multilayer requires the higher heat resistance of PCB substrate materials as an important guarantee. With the emergence and development of high density installation technology, such as SMT and CMT, PCB is increasingly dependent on the support of high heat resistance of t... -
China Wholesale Order Custom Circuit Board Factories - 4 Layer Rogers PCB 29671 – Huihe
About High frequency PCB High frequency PCB refers to the special circuit board with high electromagnetic frequency, which is used for high frequency (frequency greater than 300MHz or wavelength in general, high frequency board can be defined as the circuit board with frequency above 1GHz. Substrate materials need to have excellent electrical properties, good chemical stability, with the increase of power signal frequency in the substrate loss requirements are very small. Difficulties... -
China Wholesale Teensy Pcb Manufacturers - 14 Layer High TG Fine Pitch PCB 14 – Huihe
About High Tg PCB The general TG is more than 130 degrees, the high Tg is more than 170 degrees, and the medium TG is more than 150 degrees. Generally, PCB with TG ≥ 170 ℃ is called high Tg PCB. When the Tg of the substrate is increased, the heat resistance, moisture resistance, chemical resistance, stability resistance and other characteristics of the circuit board will be improved. The higher the TG value, the better the temperature resistance of the sheet, especially in the lead-free ... -
China Wholesale Timer Circuit Board Quotes - 6 Layer ENIG via-in-pad PCB 28203 – Huihe
Function of plug hole: The plug hole program of printed circuit board (PCB) is a process produced by the higher requirements of PCB manufacturing process and surface mount technology： 1.Avoid short circuit caused by tin penetrating through the component surface from the through hole during PCB over wave soldering 2.Avoid flux remaining in the through hole 3.Prevent solder bead from popping out during over wave soldering, resulting in short circuit 4.Prevent the surface solder paste from flow... -
China Wholesale Electric Fence Circuit Board Quotes - 6 Layer ENIG Impedance Control PCB 9806 – Huihe
About the impedance Impedance is the combination of capacitance and inductance to block the circuit in high frequency signal. Impedance is a kind of AC characteristic, which means that it is related to frequency and is used to describe the high frequency characteristics of PCB. Factors affecting impedance DK (R): determined by raw materials (PCB material, semi cured sheet) Line thickness (T): determined by raw materials and process capability. Line width (W): determined by customer’... -
China Wholesale Custom Circuit Board Factories - 6 layer ENIG Impedance Control Heavy Copper PCB 15881 – Huihe
Functions of heavy copper PCB Heavy copper PCB has the best extension functions, is not limited by the processing temperature, high melting point can be used oxygen blowing, low temperature at the same brittle and other hot melt welding, but also fire prevention, belongs to the non-combustible material. Even in highly corrosive atmospheric conditions, copper sheets form a strong, non-toxic passivation protective layer. Difficulty in machining control of heavy copper PCB Thickness of copper PC... -
China Wholesale Printed Wiring Board Assembly Quotes - 6 Layer ENIG via-in-pad PCB 16842 – Huihe
The advantages and disadvantages of plugging and no plugging? In terms of plug holes, they have the following advantages 1. the plug hole can prevent PCB through the wave soldering tin from the through hole through the component surface caused by short circuit; That is to say, within the scope of the wave soldering design area (generally the welding surface is 5mm or above) there is no hole or hole to do plug hole treatment. 2. The plug hole protects against possible short circuits caused by ...
