directory What does 94v-0 mean? Material properties for UL94v. What is a 94V-0 circuit board? What is UL 94V-0 flammability testing? What are the common 94v0 circuit board types? Why do I need a 94V-0 board? Application areas of 94V-0 circuit boards. Choose JHD to customize your 94V board. What does 94v-0 mean? 94V-0 is …
directory What is automatic optical inspection? Importance of automated optical inspection test. Features of automatic optical inspection. How does AOI work? What type of lighting system is used for automated optical inspection? What are the types of failures detected by AOI? Processing system for AOl. Validate other inspection techniques for PCBs. AOI image acquisition and …
Automatic Optical Inspection (AOI) Guidelines in PCB Manufacturing Read More »
directory What is microstrip in PCB? Factors and formulas for microstrip design. What are the impedance control factors of microstrip line? What are the Characteristics of Microstrip line? Loss of the microstrip line. What is Stripline in PCB? Impedance, capacitance, and permittivity of striplines. Advantages and limitations of stripline. What are the types of wiring …
Ultimate Guide to Microstrip, Stripline and CPW in PCBs Read More »
directory What is ipc-2221 standard? What functions does IPC-2221 do? What clearance standards does IPC-2221 define for production? IPC-2221 series documents and their application. How to choose materials according to IPC 2221 standard? What are IPC-2221 recommendations for insulation resistance? How should the IPC-2221 standard be adjusted in the case of high voltage circuits? What …
Applying the IPC 2221 standard to printed circuit board design. Read More »
directory What is IPC? Why implement IPC standards? What IPC standards are there for the PCB production process? Definitions of IPC Class 1 2 or 3. What are the common defects of IPC PCB? What is the difference between IPC Class 2 and Class 3 in PCB manufacturing process? What is the difference between IPC …
IPC Class Standards for PCB Manufacturing: Rule Definitions. Read More »
directory What is a conformal coating? Are Conformal Coatings Conductive? How does conformal coating help PCBs? What chemical materials are commonly used in conformal coatings? How to apply a conformal coating for PCB? What are the factors to consider with conformal coating? Production steps for applying a conformally coated. How long does it take for …
Conformal Coatings: Guidelines for Application Methods, Measurement Tests, and More. Read More »
directory What is prepreg in PCB? Characteristics of prepregs. How is the pregreg made? The Differences Between PCB Core and Prepreg. What is the difference between prepreg and laminate? How to Choose Prepreg in PCB manufacturing? What is resin flow in prepreg? How to measure resin content of prepreg material? What is prepreg in PCB? …
Ultimate Guide to PCB Prepregs: VS core VS laminate. Read More »
directory What is PWB? What is a PCB? What is the difference between PWB vs PCB? What other terms are there for printed circuit boards? Which materials are used in PWB and PCB manufacturing? What surface finishes can be applied to PWB or PCB? PWB Manufacturing Methods and Types. What factors determine printed wire board …
directory What is IPC? What is the IPC-A-600 standard? What is the IPC-6012 standard? What does IPC-6012 regulate in PCB production? IPC-A-600 vs IPC-6012. How to choose between IPC-A-600 and IPC-6012? What does JHDPCB’s A-600 training include? What is IPC? The IPC is an industry association whose aim is to standardize requirements for the assembly …
The role of IPC A 600 and IPC 6012 standards in PCB manufacturing Read More »
directory What is annular ring in pcb? The importance of PCB annular ring size. How to calculate annular ring dimensions? Frequently Asked Questions about annular rings. Considerations for vias in annular rings. Why use teardrop pads? IPC standards and manufacturing tolerances for PCB annular rings. Our annular ring manufacturing capacity. What is annular ring in …
In-depth guide to PCB annular ring manufacturing Read More »
Founded in 2009, JHDPCB has more than 10 years of experience manufacturing full range of PCBs. From simple one or two layers PCBs to high complexity multi-layer PCBs. Low, medium or high volume – Whatever you need.Our goal is to be China’s TOP5 PCB manufacturer.We are committed to providing high-quality, industry-leading PCBs on time at competitive costs.You can rely on us to get the most cost-effective PCB by our expertise and large-scale production.
