In 1936, Austrian Paul Eisler first utilized printed circuit boards in radios. By 1943, the technology was commonly used by Americans for military radios. And it was not until 1948 that U.S. officials officially approved the invention for commercial use. It was only from the mid-1950s that printed circuit boards came into widespread use. Before […]
Wafer testing is divided into two main categories: wafer testing (CP testing) and finished product testing (FT testing). Wafer testing is a moderate test of the capacitance and circuit function on each wafer after wafer fabrication is completed to ensure that its circuits are functioning properly before it is sent to the packaging plant for
Hard gold PCB is a printed circuit board with a layer of hard metal plated on its surface. This hard metal not only enhances the PCB’s abrasion and corrosion resistance, but also greatly improves its electrical conductivity, making hard gold PCB in high-frequency, high-speed, high-current electronic equipment outstanding performance. Application of Hard Gold PCBHard gold
PCB damage often results from mishandling. In the PCB assembly workspace, circuit boards can be dropped, bumped or mishandled when placed on a carrier. So, when a laminate suffers such damage, can it be repaired? The answer, as with most engineering issues, depends on the circumstances. Electronic products are categorized according to the industry standard
In the manufacturing process of electronic equipment, pcb layout is a crucial link. A reasonable circuit board layout can ensure the efficient and stable operation of electronic equipment, but also help to improve production efficiency and reduce production costs! Seven principles of device layout in circuit board designConvenienceIn the circuit board design will often be
Surface mount PCB, that is, a variety of electronic components directly mounted on the surface of the PCB, and then fixed by welding and other processes. This technology eliminates the traditional plug-in technology of piercing, pin bending and other cumbersome steps, greatly simplifying the manufacturing process and improve production efficiency. At the same time, because
Printed circuit boards are the basis of modern electronics. As such, they require special care and precision in their production and manufacturing processes. One of the most critical procedures to consider is the process of cutting pcb. Why do PCB needs to be cut?There are many different types of circuit boards. As a result, each
Inside electronic devices, we often come across an unassuming green component – the printed circuit board (PCB). So why are PCBs green?The green part is called solder resist, the composition is resin and pigment, green is green color pigment, there are also various other colors, and decoration tuning paint no difference. The reason why the
What is a FPC? FPC is short for Flexible Printed Circuit, which is called Flexible Printed Circuit Board in Chinese. It is a kind of printed circuit board made of polyimide or polyester film as the base material, with high reliability and excellent flexibility. Its main advantages include the ability to be freely bent, rolled
FPCB, also known as Flexible Printed Circuit Board, is a flexible circuit board. Because FPC flexible board can be freely bent, coiled, folded and other advantages, greatly reducing the size of electronic products, applicable to electronic products to high-density, miniaturization, high-reliability direction of the development of the need for FPC in aerospace, military, mobile communications,
MSAP is an acronym for Modified semi-addition process (MSAP) technology, a processing method for printed circuit boards. The method is mainly through the formation of blind vias between the two layers of the board, making the board more compact, thus realizing the wiring in a smaller space. And blind buried holes such process is an
Amplifier circuit board is short for power amplifier printed circuit board. In an audio system, the power amplifier is a key part, responsible for amplifying the audio signal to sufficient power to drive the speakers to produce sound. The power amplifier PCB is the core component of the power amplifier, which is covered with various
HDI PCB, or High Precision, High Density Interconnect Printed Circuit Board, is a type of circuit board characterized by high line width and line spacing, high wiring density, and tiny apertures. Compared to traditional PCB, it is able to achieve more complex circuit layouts in a smaller space, thus meeting the demand for miniaturization and
PTFE PCB refers to printed circuit boards made with polytetrafluoroethylene (PTFE) material.PTFE, known as polytetrafluoroethylene, is a high-performance fluoroplastic. It has excellent insulating properties, high-temperature stability, good chemical stability, and a very low coefficient of friction, so it is widely used in a variety of industrial fields. In PCB manufacturing, PTFE is mainly used as
Solder pads are pieces or layers of metal on a circuit board that are used to solder electronic components to connect the circuitry on the core to the pins of the encapsulated chip grid. They are the bridge between the board and the components, connecting them together through soldering to ensure that the current can
What is pcb potting? Potting is the polyurethane potting adhesive, silicone potting adhesive, epoxy resin potting adhesive with equipment or manual way into the device equipped with electronic components, lines, curing at room temperature or under the condition of heating into a thermosetting thermosetting polymer insulating material with excellent performance, so as to achieve the
A packaging substrate is a thin sheet, usually made of insulating material, used to hold and connect electronic components. It carries the electrical connections between electronic components and ensures that these components operate stably and efficiently when in operation. It can be simply understood as a PCB or thin thick-film circuit substrate with higher performance
Copper plating with copper sulfate is an electrochemical process in which a copper sulfate solution is used as a plating bath to deposit a uniform copper layer on the conductive part of a circuit board by electrolysis. The process requires a stable current supply and suitable plating conditions to ensure the quality of the copper
A prototype pcb fabrication is the first actual circuit board that is fabricated from circuit design drawings during the design and development of an electronic product. This prototype is used to verify the correctness, functionality and layout of the circuit design. Printed circuit board prototyping is the process of translating an electronic circuit design into
FR4 black epoxy board is made of fiberglass cloth impregnated with epoxy resin as adhesive, dried and hot-pressed into a board-shaped insulating material. FR-4 is a flame-resistant material grade code, which means that the resin material must be able to self-extinguish after combustion, it is not a material name, but a material grade, so the
The hard disk pcb board is the core component in a hard disk drive and is responsible for connecting and controlling the various functions of the hard disk. It is mainly composed of a microprocessor, cache memory, motor drive circuitry and interface circuitry, etc. These components work together to ensure that the hard disk is
Thick copper PCB is a special type of printed circuit board commonly used in the electronics industry, which has a large current carrying capacity and good heat dissipation properties. Thick copper PCB use FR-4 as the basic material, and the thickness of copper foil is generally 1oz or more. Through a special process, the thickness
LED light pcb board is a technology that combines LED light with printed circuit board (PCB).LED pcb is a kind of electronic components based on LED, using the conductive paths and components on the PCB, to provide stable current and control signals for the LED light, so that the LED light can light up normally.
Printed circuit board router is a high-precision machine tool specialized in processing PCB.It is mainly used for milling and cutting PCBs. It uses a high-speed rotating milling cutter to accurately cut and carve PCB materials through a precise control system. This type of machining enables highly accurate dimensional control and shape processing, ensuring that the
