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automatic optical inspection

Automatic Optical Inspection (AOI) Guidelines in PCB Manufacturing

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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 …

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PCB Solder Wick

The Ultimate Guide to PCB Solder Wick and Wicking.

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directory What is a solder wick? Characteristics of solder wicks. How to choose the correct desoldering wick? How to use soldering wick? Application of desolder wick. What is solder wicking/solder escape/wicking solder? How to prevent solder wicking? Solutions to common problems with solder wicking. FAQ of Solder Cores. What is a solder wick? Solder wick, …

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Soldering flux actual operation drawing

Soldering Flux in PCB Production: The Ultimate Guide to Roles and Types. 

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directory What is a soldering flux? What is soldering flux paste? What is the role of flux in soldering? What are the common types of soldering flux? How to use solder flux when soldering electronics? Necessary safety measures when welding. How to clean the soldering flux of electronic products? What is a soldering flux? Flux …

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microstrip VS Stripline vs coplanar waveguide

Ultimate Guide to Microstrip, Stripline and CPW in PCBs

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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 …

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PCB components

Fully understand PCB components: parts, codes and functions.

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directory What are circuit board components? What are the common electronic components on PCB? Common PCB components codes. How to place PCB components? Basic knowledge of electronic components affecting PCB layout. How to choose PCB components? How to find shorted components on PCB? What Causes Short Circuits on a PCB? PCB parts aging problem. How …

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IPC 2221 hierarchical structure

Applying the IPC 2221 standard to printed circuit board design.

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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 »

IPC Class

IPC Class Standards for PCB Manufacturing: Rule Definitions.

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directory 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 Class Standards for PCB Manufacturing: Rule Definitions. Read More »

conformal coating pcb

Conformal Coatings: Guidelines for Application Methods, Measurement Tests, and More.

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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 »

prepreg pcb

Ultimate Guide to PCB Prepregs: VS core VS laminate.

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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 »

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.

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