Professional PCB Manufacturer
Professional PCB Manufacturer
The two sides of the non-conductive material is covered by a layer of conductive material. They also have drilled holes that enable interconnection of the plates. These circuit boards have wider applications than the single sided boards.
Some pick and place Machines ensure that every component is well secured on the PCB by adding glue drops on the board before placing the Components on top.
Vias close to the pads or dense routing vias (less than 0.4mm in size, generally 0.3/0.25mm are more common) need to be plugged to prevent short circuits. Therefore, the hole in the disk of the BGA device needs to use the resin plug hole and the electroplating filling process to prevent the phenomenon of tin leakage during the patch.
FPC is the abbreviation of Flexible Printed Circuit, also called as flexible board or FPC, which has the characteristics of high density,lightness and thinness. FPC is a highly reliable board made of polyimide or polyester film as the base material.
Any individual that deals with packaging of electronic devices should certainly know that nothing plays a more significant role than printed Circuit boards (PCBs) in electronics.
The role of PCBs in the manufacture of electrical and electronic equipment cannot be overemphasized. PCBs form the backbone of many modern electromechanical devices. However, despite the advantages offered by PCBs, the main problem associated with their use is the generation of heat.
The base material is an important part of the PCB, which will greatly affect the electrical performance, mechanical performance and reliability of the electronic assembly, so it must be carefully selected.
When we get a PCB board, if there are no other test tools, how to quickly judge the quality of the PCB board?
The so-called metalized half-hole means that after a drilling (drilling, gong groove) is drilled, and then drilled, the shape process, and finally half of the metalized hole (groove) is retained. In order to control the production of metal half-hole boards, some measures are usually taken due to process problems at the intersection of metalized half-holes and non-metalized holes. In the current saturated state of circuit board proofing factories, there are not many board factories willing and able to produce half-hole boards.
PCB, which simply means Printed circuit board lays a good foundation in modern electronics technology. Its indispensability is seen in its applications for the development of various electronic products. One of such products commonly used nowadays is LED PCB.
A gadgets high-recurrence execution depends vigorously on the electrical properties of the PCB utilized for mounting and associating its circuit parts. The degree of the PCB configuration impact heightens dramatically with an increment in functional recurrence.
PCBA testing mainly includes five forms: ICT testing, FCT testing, Burn In Test, Fatigue Test, and Severe Conditions Test: The ICT (In-Circuit Test) test mainly includes circuit continuity, voltage and current values, fluctuation curves, amplitude, noise, etc., and does not involve function keys or input and output tests.Some like AOI test,X-ray test. PCBA testing image.png For FCT (Functional Test) testing, you need to first burn the prepared microcontroller (MCU) program into the program IC through a burner (such as ST-Link, JTAG) to simulate the function of the entire PCBA board, such as after pressing a button , The LED light is on; press the two buttons at the same time to restore the factory settings and so on. So as to find out the problems in the hardware and software, and equip with necessary patch processing production jigs and test racks.
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