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05-312020

Multi-layer PCB design suggestions and examples (4, 6, 8, 10, and 12-layer PCB boards) illustrate the PCB design requirements: A. The surface is a complete ground plane (shield); B. There are no adjacent parallel wiring layers; C . All signal layers are as close as possible to the ground plane; D. The key signals are adjacent to the ground layer and do not cross the partition.

05-302020

Why to use SMT technology in PCB assembly

Why to use SMT technology in PCB assembly? The pursuit of miniaturization of electronic products, the previously used perforated plug-in components have been unable to shrink, The functions of electronic products are more complete etc..

05-302020

Introduction about PCB SMT technology

SMT technology is surface mount technology (Surfacd Mounting Technolegy referred to as SMT) is a new generation of electronic assembly technology, it will traditional electronic components Compressed parts become only a few tenths of the volume, thus achieving high density, high reliability, miniaturization and low cost of electronic product assembly, And the automation of production.

05-292020

What is the pcb assembly process

What is the pcb assembly process？The basic process components of SMT include: screen printing (or dispensing), placement (curing), spi, reflow soldering, cleaning, testing, and repair.

05-292020

The main testing methods after PCB assembly

The technological process of pcb assembly processing is complicated and cumbersome, and problems may occur in each link. To ensure that the product quality is qualified, various types of testing equipment need to be used to detect faults and defects and solve the problems in time. So what are the common detection equipment in processing? What are the functions? The following will organize and introduce them for everyone.

05-282020

How to calculate PCB assembly cost

How should the price of PCB assembly be calculated? To discuss the PCB assembly price and how to calculate the SMT processing price, we must first fully understand what is smt, understand the SMT process, and the price discussion after the equipment is easier to understand.

05-282020

Instruction about PCB surface finish

There are several different surface finish in PCB manufacturing, customers can select the one which most suitable their products, we introduced a few types as following: HASL hot air leveling, Chemical Nickel Gold (ENIG), Gold plating, ENEPIG etc.

05-272020

The selection of FR4 laminate material

There are many brands of FR4 material in the market, some brands are popular and used widely, customers can select the suitable FR4 material by themself. What kind of laminate is also related to your product. Some high-end products need to use good laminate, and some low-end products don't need such good laminate.

05-272020

The rules to manufacture flexible printed circuit boards

In the production process of Flexible printed circuit boards, in order to save costs, improve production efficiency, and shorten the production cycle, they will panelization production instead of single-piece production. In flex pcb panelization, several principles need to be followed.

05-262020

The features of printed circuit boards for medical industry

Among all medical PCB boards, FR-4 is the most widely used. For medical PCB design, the choice of FR-4 sheet will vary according to the positioning of its own products and the control of raw material prices. For large hospital institutions, it is necessary to choose reliable medical PCB circuit board manufacturers.

05-262020

The major difficulties to manufacture multilayer PCB

Compared with traditional PCB products, high-end multilayer PCBs have the characteristics of more board thickness, more layers, dense lines, more through holes, large unit size, and thin dielectric layers. This article briefly describes the main processing difficulties encountered in the production of high-level multilayer PCB, and introduces the control points of key production processes for high-level mutilayer circuit boards for reference.

05-252020

The introduction for 4 types of flexible circuit boards

The introduction for 4 types of flexible circuit boards, include: Single-sided flexible circuit board, Double-sided flexible circuit board, Multi-layer flexible circuit board and Rigid-flex circuit board.

05-252020

How to calculate PCB price

The cost calculation of the PCB industry is the most special and complicated in all industries. From cutting, pressing, forming, to FQC, packaging, and finished storage, it needs to be based on the material cost, labor cost, and manufacturing cost of each process. Perform step-by-step accounting and accumulate costs in batches based on the order product number.

05-242020

The factors to affect PCB price

The PCB price is affected by many factors, it includes: Different materials, The different production processes, Different difficulties of PCB itself, Different customer requirements, Different PCB manufacturers, Different payment methods etc.

05-242020

The difference between Rigid PCB and Flex PCB

Both rigid circuit boards and flexible circuit boards have similarities and differences before. For the flexible circuit board, the application of the rigid circuit board is more extensive. Because the rigid circuit board appeared earlier, most of the design elements of the rigid circuit board have been applied to the design of the flexible circuit board. What is the difference between flexible circuit boards?

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