What’s Electrical Test (E-Test) ? At the end of PCB manufacturing process, Electrical Test (E-test) is used to verify the interconnects of the bare PCB is correct against the board netlist file as per IPC-9252 Guidelines and RWhat’s Electrical Test (E-Test). Equirements for Electrical Testing of Unpopulated Printed Boards. JHDPCB performs 100% PCB E testing on …
The PCB manufacturing process includes fine process processes such as cutting, grinding, filming, exposure, development, etching and plating, lamination, drilling, surface treatment and solder mask. Strict control of each link can ensure the normal operation of the PCB. JHD’s one-stop ISO9001:2015 quality management system production line strictly implements high-standard production for each process. In this …
Before you design or buy a printed circuit board, firstly make understand what is silkscreen of printed circuit board design? What is the function of the silk screen layer? The most common silk screen PCB printing technology. Now JHDPCB will explain it all for you. directory What is pcb screen printing? What is the function …
What are PCB silkscreen and design considerations. Read More »
directory What is G10 material? Comparative analysis of epoxy board G10 and FR4. The advantages of G10 epoxy substrates? G10 Technical Parameter. Comparative analysis of epoxy board G10 and G11. What is G10 material? G10 is the material composited with a glass fiber and resin lamination . “G” stands for glass fiber “10” mean that …
FR-4 and its characteristics make it widely used with a reasonable price. This is the main reason its using is so widely in PCB production. This article will comprehensively introduce the relevant knowledge and precautions of FR4 materials in PCB manufacturing: directory What is FR-4 laminate & FR-4 PCB? What are the properties of FR4 …
directory Metal base copper clad laminate. Epoxy Glass Fiber Cloth Substrate. Composite Substrate. Paper Substrate. Polyimide (PI) Flexible Copper Clad Laminate. Special Resin Glass Fiber Cloth Substrate. The most common classification methods and quality judgment standards in PCB copper clad laminates are in the previous article “What is a copper clad laminate? And classification methods.“. …
Despite the continuous improvement of semiconductor integration level, the availability of ready to use on-chip systems for many applications, as well as many powerful and out of the box PCBs, customized printed circuit boards are still required in many applications of personalized electronic products. PCB design is very important in the developing of new projects. …
directory Get to know PCB power supplies. PCB Power Design Power Type. Considerations for PCB power supply design. Get to know PCB power supplies. and its importance. In PCB Power applications, no matter what power supply method the device uses, a circuit needs to be designed to regulate the power supply to the device. Large …
Corona Virus Disease 2019 (COVID-19) named “2019 coronavirus” refers to pneumonia caused by 2019 New Coronavirus infection. Since December 2019, a number of cases of unexplained pneumonia in Southern China’s seafood market have been found in some hospitals in Wuhan, Hubei. It has been confirmed as an acute respiratory infectious disease caused by 2019 New …
Latest epidemic situation( COVID 19) in Shenzhen, China Read More »
directory Definition of HDI PCB. The benefits of HDI printed circuit boards. Common uses of high-density interconnect printed circuit boards. Definition of HDI PCB. In order to comply with the development of the technological world, PCBs need to pack more functions into smaller packages. HDI PCB is a printed circuit board with a higher wiring …
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.
