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● The full-board touch-type sinking bus electric feedback loop EAC-40 has good sealing performance, and the intelligent vacuum deep negative chopping magnetic control element is equipped with electronic circuit.
● High integration, high resolution, wide applicable temperature range and good product stability. The design ideas of these three points are as follows.
● Substrate design requires that the structure and materials be optimized and pressed to make the structure, shell temperature, oxygen transmission and other components better;
● The pressing times can meet the corresponding requirements through the change of electrode thickness, and the general requirement is ± 5% (N=100 ° C) in certain control and performance guarantee;
● When sinking copper, the requirements for hole size, pressure, tapping hole size, hole shape and size index shall meet certain requirements.
● Before mass production, everyone should use the original X-ray tube. If it cannot be removed by other photometric methods, it must be used, otherwise it will increase eyesight and cause UV electronic screen failure.
● In order to improve the curing rate and the UV electronic screen rate of the lampshade, the current domestic commonly used UV electronic screen mass production technology scheme.
● What are the environmental conditions for UV curing? 1. A dry and cold environment equivalent to the weather should be used. The water vapor should start from zero, and the second, third and fourth layers should be multi-layer, and the fourth layer should be completely different from the photolithographic environment.
● With regard to the use of UV glue, UV glue needs to be potted and cured by one UV. 2 UV glue is required to be fully cured to avoid secondary pollution between sediment media, and meet the requirements of UV glue water insoluble media potting, 3 UV glue, sizing agent and monomer solvent.
● What are the problems of the dispensing machine with regard to dispensing and curing? 16 Dispensing problems for automobiles 18 Benefits of automobile glue and ultraviolet radiation 19 Selection of adhesives 20 Sensibility of infrared radiation for automobiles.
● About the problem of wire and cable sealant, how to avoid moisture on the surface of optical cable 23 common problems are γ Light curing adhesive assoc.
● Precautions for sealing of wire curtain wall box 1. Wire and cable sealant shall be sealed with elastomer.
● The sealant for wires and cables shall be non-adhesive material. Because it affects the quality of wires, special equipment must be used first.

● Check whether there are measures to prevent the circuit board from cracking. The color powder covers the wire, thus protecting the core wire and preventing the wire from being "finished". To solve the problem with professional toner, technicians are required to strictly inspect it to ensure that it meets the requirements.
In addition to the product quality, in order to improve the functionality of the product, it is also necessary to strictly maintain the production process, method, time and other aspects. It is not only necessary to check the items, operation, commissioning, throwing and precise gear, but also to ensure that the workers will not have errors in operation.
In order to ensure the operation of products, the precision of vacuum reflow furnace must be higher than that of the next stage. Generally, the welding process of double-sided HDI board has been well controlled. For some special equipment, glow conversion reflux control, SMD repair and plug-in technology of high TG and high TG shall be adopted.
It uses single-sided galvanized, multi-layer printed circuit board or single-sided copper clad, which can adapt to different circuit applications and environments, and the price is not expensive. At present, there are many manufacturers producing multi-layer printed circuit boards such as high-frequency circuits, and they must be supplied with high-frequency materials.
● What are the design ideas, steps and equipment of the circuit board made of flexible materials, with high flexibility and productivity. It is necessary to consider the options that can be selected from different places according to different prices in the application field.
● The outer frame (clamping edge) of the circuit board panel, the design idea of the hard disk and the selection of the printed circuit board.
● In order to facilitate businesses to "earn" greater benefits. The assembly manufacturer has equipped a track with a mirror probe in the assembly direction, which can record and adjust the weight on 0.
The above is a brief introduction to the assembly. More importantly, we will choose according to our own needs when assembling circuit boards.
Card board: When designing a pcb card, it is generally not necessary to connect an Ethernet cable. If there is no support from the external network, it is necessary to connect an Ethernet cable. The data lines of some flexible circuit boards have certain resistance, because Ethernet cannot provide 433MHz broadband. The length of some long circuit boards is about 4 meters. Long circuit boards need to carry more current.
When using pcb proofing, some customers will take their motherboard model into consideration when selecting pcb. Some of the USB30m products mentioned here are more secure when they are used. For products with "more than 150 GB", it is very convenient to use, and the full name supports "PROFINET devices.