The three main characteristics of Rigid-Flex PCB are Multi-bending, Multi-stackup, and Multi-zone. In the previous article, we discussed multi-bending designs. In this article, we will take a closer look at the multi-layered design of Rigid-Flex. 01、 Multi-Stackup Multi-layer stack Multi-stackup refers to a substrate where the number and thickness of layers differ in different regions, meaning the substrate needs to...
In the precision chain of modern electronics manufacturing, PCBA processing (Printed Circuit Board Assembly) serves as the critical stage that gives electronic products “life.” During this process, electronic components are precisely soldered onto a printed circuit board (PCB) to form a complete circuit system.However, PCB board deformation is a hidden issue that can severely affect...
What Is a PCV Valve? The acronym PCV stands for Positive Crankcase Ventilation. The PCV valve is a one-way valve that forms part of your vehicle’s PCV system — an integral component in the management of gases produced during engine operation. In simple terms, the PCV valve is responsible for ventilating the crankcase, a part...
In many circuits, the system crystal oscillator operates at a high clock frequency, which produces strong harmonic interference. These harmonics not only propagate through the input and output lines but also radiate through space. Therefore, if the PCB layout of the crystal oscillator is not designed properly, strong spurious radiation problems can easily occur. Once...
Why EMC Matters in PCB Design Electromagnetic Compatibility (EMC) is a key requirement in modern PCB design, ensuring that electronic systems operate reliably without generating or being affected by electromagnetic interference (EMI). Proper PCB layout—especially GND routing, trace spacing, and layer design—plays a decisive role in reducing ESD (Electrostatic Discharge) and improving overall signal integrity....
Why PCB Pad Soldering Process Matters In PCB manufacturing, the pad surface finish or soldering process directly affects component solderability, electrical performance, and long-term reliability.Different processes offer varying degrees of oxidation resistance, flatness, and cost efficiency, making proper selection essential for every PCB design project. This article categorizes and compares the most common PCB pad...
The Importance of Via Placement in PCB Design In PCB design, via positioning plays a crucial role in ensuring electrical performance, manufacturing reliability, and signal integrity. Improper via placement—especially placing vias directly on component pads—can lead to soldering defects, electrical noise, and higher production costs. This article explains why vias should be staggered from pad...
Introduction As electronic systems continue to evolve toward higher frequencies and faster data rates, the need for advanced laminate materials becomes increasingly critical. Among the top performers in RF and microwave PCB substrates, Taconic RF-35 has gained industry-wide recognition for its outstanding signal integrity, thermal stability, and material uniformity.With a dielectric constant (Dk) of 3.5,...
Introduction With the rapid advancement of modern technology, high-frequency electronic systems such as RF, microwave, and radar equipment are increasingly prevalent. At the core of these systems lies the Printed Circuit Board (PCB) — the foundation upon which signal integrity and overall device performance depend. Among the materials used for PCB fabrication, Teflon (PTFE) stands...
Engineering Biomedical PCBs for the Future of Healthcare In modern healthcare, technology isn’t just an assistant—it’s an extension of human capability. Every medical innovation, from life-sustaining implants to AI-powered diagnostic equipment, relies on one silent enabler: the Printed Circuit Board (PCB). At KKPCB, we design and manufacture biomedical PCBs that meet the uncompromising demands...
KKPCB is a leading electronic solutions provider specializing in PCB design, fabrication, assembly, and testing for Flex, Rigid-Flex, RF/Microwave, HDI, rigid multilayer, and ATE test boards. We offer comprehensive end-to-end services, including prototyping, component sourcing, SMT/THT assembly, functional testing, enclosure assembly, and final product packaging. With our one-stop, in-house capabilities, KKPCB delivers OEM and ODM solutions with fast turnaround, high quality, and cost-effective results, serving clients worldwide.
PCB Manufacturing
PCB Assembly
Technical Support