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China Wholesale Smt Boards Manufacturers - 6 Layer FPC+FR4 Rigid-Flex PCB 9 – Huihe
About the Rigid-Flex PCB Rigid-flex PCB is a new type of PCB with both the durability of rigid pcb and the adaptability of flexible PCB. In all types of PCB, the rigid-flex PCB is the most resistant to harsh application environment. Therefore, it is favored by industrial control, medical and military equipment manufacturers. The rigid-flex PCB factories in the mainland are gradually increasing the proportion of flexible and rigid PCB in the total output. Advantages and disadvantages of Rigid-... -
China Wholesale Intercom Circuit Board Pricelist - 4 Layer SF302+FR4 Rigid-Flex PCB 19 – Huihe
Points for attention in the design of rigid flexible combination zone 1.The line should transition smoothly, and the direction of the line should be perpendicular to the bending direction. 2.The conductor shall be evenly distributed throughout the bending zone. 3.The width of the conductor shall be maximized throughout the bending zone. 4.PTH design should not be used in rigid flexible transition zone. 5.Bending radius of bending zone of rigid flexible PCB Material of flexible PCB E... -
China Wholesale Panel Circuit Board Pricelist - 8 Layer High TG Impedance Control Fine Pitch PCB 16 – Huihe
Advantages of high Tg PCB 1. Higher stability: if the Tg of PCB is increased, it will automatically improve the heat resistance, chemical resistance, moisture resistance and device stability. 2.Withstand high power density design: if the device has high power density and fairly high calorific value, then high Tg PCB will be a good solution for heat management. 3.When reducing the heat generation of ordinary boards, larger printed circuit boards can be used to change the design and power ... -
China Wholesale Circuit Board Makers Manufacturers - 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 Rf Circuit Board Quotes - 8 Layer ENIG via-in-pad PCB – Huihe
The most difficult thing to control the plug hole in the via-in-pad is the solder ball or pad on the ink in the hole. Due to the necessity of using high density BGA (ball grid array) and the miniaturization of SMD chip, the application of in tray hole technology is more and more. Through the reliable through hole filling process, the in plate hole technology can be applied to the design and manufacture of high-density multilayer board, and avoid abnormal welding. Huihe Circuits has been using... -
China Wholesale Pvc Circuit Board Suppliers - 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 Fast Pcb Prototyping Suppliers - 6 Layer High TG Leadless Golden Finger PCB – Huihe
When need high temperature PCBs? If the working temperature of the product is higher than 130 ℃, a high Tg PCB is required to ensure safety. The main reason for using high Tg PCB is that the PCB needs to comply with RoHS directive, and the temperature required for lead-free solder flow is high, resulting in the substrate of printed circuit board needs to be high Tg material. Application of the High Tg PCB TG PCB is used in electronic industry which can run at higher temperature. By ... -
China Wholesale Flex Pcb Manufacturers - 6 Layer ENIG impedance half hole PCB – Huihe
About Metallized Half Hole PCB The metallized half hole is a half hole at the edge of the plate and is electroplated. Metallized semi-holes are mainly used for the direct connection between plates. They are mainly used to weld together two printed circuit boards with circuit design technology. The whole system takes up much less space than a PCB system using a row pin connector. Design parameters of half hole PCB Min. Hole Diameter Minimum pad Minimum pad spacing The distance betwee... -
China Wholesale Pcb Vendor Suppliers - 14 Layer Blind Buried Via PCB – Huihe
About Blind Buried Via PCB Blind vias and buried vias are two ways to establish connections between layers of printed circuit board. The blind vias of the printed circuit board are copper-plated vias that can be connected to the outer layer through most of the inner layer. The burrow connects two or more inner layers but does not penetrate the outer layer. Use microblind vias to increase line distribution density, improve radio frequency and electromagnetic interference, heat conduction,... -
China Wholesale Custom Pcb Suppliers - 6 Layer ENIG Impedance Control PCB 14706 – Huihe
Difference between pad and via 1. Definitions differ Pad: is the basic unit of surface mount assembly, which is used to form the landpattern of the circuit board, that is, a variety of combinations of pads designed for special component types. Through hole: through hole is also called metallization hole. In the double panel and multilayer PCB, a common hole is drilled at the junction of the wires that need to be connected between the layers in order to connect the printed wires between l... -
China Wholesale Pcb Dot Board Suppliers - 8 Layer FPC+FR4 Rigid Flex PCB 4 – Huihe
The Rigid Flex PCB plays a key role in the automotive market The Rigid Flex PCB is becoming more and more important in automotive electronics, which is beyond PCB operators’ original imagination. The reason is that we did not think that the technology used in mobile phone lens module would have the opportunity to extend to the ADAS lens module for car, and further attract the auto component industry to introduce the Rigid Flex PCB into the module products such as photar, and become the entry ... -
China Wholesale Flex Board Pcb Suppliers - 4 Layer ENIG Impedance Control PCB 9115 – Huihe
About the impedance control In the case of transmission of high frequency signals, the controlled impedance helps to ensure that the signal does not decay significantly during transmission. In essence, controlled impedance refers to the matching of the material properties of the substrate to the characteristics of the line/dielectric layer to ensure that the impedance value of the line signal is within the tolerance of the reference value. Controlled impedance PCBs provide reliable and c...
