A Multilayer Flexible Printed Circuit Board (FPCB), often referred to as a flex PCB or flex circuit, is a specialized type of printed circuit board that offers flexibility and the ability to have multiple layers of conductive traces. It is designed to provide electrical connections while being highly flexible, making it suitable for applications where…
HASL (Hot Air Solder Leveling) is a metallic surface finishing technique, which is performed on the outermost layer of the PCB board to protect the exposed copper surfaces like tracks until the component placement and soldering is completed. The HASL coating is composed of Solder with 63% Tin and 37% Lead, and during the…
With the increasingly complex and high-speed circuit design, how to ensure the integrity of various signals (especially high-speed signals), that is to say, to ensure the signal quality, has become a difficult problem. At this time, the characteristic impedance matching of the control signal trace becomes the key. If the impedance control is not strict, it…
In today’s world of modern technologies, we see high tech PCBA 2devices all around us, from our houses to our offices, workplaces, roads, marketplaces, education institutions everywhere we see modernization of technology and key to all these technologies is advancement in Electronics Industry. Day by day, scientist and engineers and working on advancements in micro-electronics,…
Six things to consider when transferring PCB schematic diagram to PCB layout design. All the examples mentioned are developed in Multisim design environment, but the same concept is applicable when using different EDA tools! In the process of transferring schematic diagram to layout environment through netlist file, device information, netlist, layout information and initial routing…
Rogers 4350B is a high-performance printed circuit board (PCB) material known for its exceptional electrical and thermal properties. Here’s an introduction to Rogers 4350B PCB: Rogers 4350B PCB Material: Dielectric Material: Rogers 4350B is a high-frequency laminate material that features a ceramic-filled hydrocarbon thermoset resin system. This dielectric material is engineered for high-frequency applications, particularly…
PCB layout is PCB design.PCB design needs to be realized by computer aided design. The commonly used design software in the industry is cadence Allegro, pads, Altium designer. Conventional PCB design includes several steps, such as database building, network adjustment table, layout, wiring, file output, etc., but the conventional PCB design process is far from…
1. Multilayer flexible PCB raw materials (1) It is divided into glued materials and glue less materials. The copper on the material is divided into copper and calendared copper, and the material without rubber and copper is better in flexibility and folding. (2) Thickness of material: PI+ copper thickness 2. Multilayer flexible PCB cover film…
A Multilayer Flexible Printed Circuit Board (FPCB) is a type of circuit board that is flexible and consists of multiple layers of flexible substrate material. The basic structure of a multilayer flexible PCB typically includes the following components: Substrate Material: The base material of a flexible PCB is usually made of a flexible polymer, such…
The gold-plated circuit board is divided into electroplated hard gold (gold alloy) and water gold (pure gold) process. The composition of hard gold and soft gold bath is basically the same, but there are some trace elements of metal nickel or cobalt or iron in the hard gold tank. 1. Purpose and effect of gold-plated…
Ultra-thick copper multilayer pcb is an integrated connector with strong and weak electric connection function. The manufacturing technology of ultra-thick copper multilayer pcb sheet over 0.41 mm is studied. The superimposition of single-side copper clad sheet and 1.0 mm black copper sheet and epoxy sheet and single-side copper clad sheet and the bonding of non-flowing…
1. Double sided flexible PCB upper line screen printing First, we need to select materials, baking pretreatment, in order to prevent the contraction of the material deformation to the process after the trouble. 2. The diameter of blanking carbon hole for double sided flexible PCB The blanking carbon hole is generally 0. 8 to 1.…
As a professional heavy copper PCB manufacturers, Shenzhen Convergence Circuit Co., Ltd. focuses on the research and development of high-precision multilayer and special boards, as well as PCB proofing and production of small batches of PCB boards. Convergence circuit has advanced production technology and process control technology in the industry. It has a professional technology…
Through the analysis of the market demand proportion of various types of PCB and the comparison of the technological capabilities of some top PCB manufacturers in the world, this paper lists the current technological capabilities of various types of PCB, illustrates the technological level of China’s production of various types of PCB, and draws the…
3. Technical level of PCB products All kinds of commercialized PCB products in the world can be produced in mainland China and cannot be produced at the same level. The technical performance of the same kind of PCB products varies greatly. High frequency electrical property and dimension stability (CET) of PCB are closely related to…
Today, the PCB industry has released a technology that can produce high density multi-layer flexible printed circuit boards by screen printing, which is also a leading technology in the PCB industry. With this screen printing technology, the multi-layer high density flexible printed circuit board embedded in components can be printed and processed completely. Width (L)…
