导航
At present, the main products of SMT patches are lead-free soldering process, lead soldering process and red plastic soldering process. And its point calculation method is also very similar, but many users do not know much about the calculation and
Read MoreThis paper mainly introduces: single-sidedcircuit board, double-sided board HASL board, double-sided board plating gold, multilayer board tin ENIG board,multilayer board plating gold, multilayer board ; the different process of these kinds ofcircuit
Read MoreIn order to ensure the quality of products, various testing equipment is needed to detect faults and defects and solve problems in a timely manner. So what are the common detection equipment in SMT chip processing?
Read MoreIn the face of fierce competition in the market, the cost of PCB circuit board materials is also rising. More and more manufacturers are monopolizing the market at low prices in order to improve their core competitiveness.
Read MoreOSP is Organic Solderability Preservatives. OSP is to grow a layer of organic skin film on the clean bare copper surface by chemical method. The film has oxidation resistance, heat shock resistance and moisture resistance, which is used to protect th
Read MoreMisunderstanding 1: a signal above GHz is a high-speed signal? When "high-speed signal" is mentioned in layout design, it is necessary to make clear what is "high speed".
Read MoreGenerally, there are no more than 4 kinds of plate splicing requirements. The number of layers, copper thickness and surface finishing technology requirements of each type of plate are the same. In addition, negotiate with the manufacturer's engineer
Read MoreSMT chip production is divided into two stages, one is offline preparation. The second is online debugging. Each factory has different details according to the model and management mode of its own mounter.
Read More"Halogen" is Greek, which originally means saline alkali land. Halogen or halogen elements include five chemical elements, namely fluorine, chlorine, bromine, iodine and astatine. In the electronics sector, only bromine and chlorine are of the most i
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