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Production process of high-precision silver paste porous multilayer carbon film surface mount plate

patent name production process of high-precision silver paste porous multilayer carbon film surface mount plate [5] patent applicant Xu Lijun main applicant address 311300, No. 220 Qianwang street, Lin'an City, Zhejiang Province inventor Xu Lijun application (patent) No X application date 2005.03.28 certification date approval Announcement No. approval announcement date 2005.09.07 create a batch of new material industry clusters with core competitiveness and strong driving force, distinctive characteristics and complementary advantages CD-ROM No. d0536 main classification No. h05k3/46 classification No. h05k3/46; H05K3/42； The invention relates to a production process of silver paste perforated double-sided circuit board. The technical problem to be solved is to overcome the shortcomings of the background technology and provide an improvement of the production process of silver paste porous multilayer carbon film surface mount plate, which should have the characteristics of high product quality, short production cycle and low production cost. The technical scheme provided is: the production process of high-precision silver paste porous multi-layer carbon film surface mount board, including blanking, drilling, printed circuit layer, printed solder resist layer, through-hole silk screen printing, printed protective layer, punching shape, electrical inspection and testing, packaging process, and a scraping and pressing process is added to the through-hole silk screen printing process. Add a procedure for printing carbon film before punching the profile. The scraping and grouting procedure is that the bottom of the road plate is padded with a special pad. After the plate is placed on the surface of the road plate, use an elastic scraper to scrape 1 on the back of the plate The first is the pressure of the force sensor of the tension machine, so that the silver slurry can fully enter the slurry hole. Add pre drying process before punching the profile procedure. Sovereignty item 1. The production process of high-precision silver paste porous multi-layer carbon film surface mount board includes blanking, drilling, printed circuit layer, printed solder resist layer, through-hole silk screen printing, printed protective layer, punching shape, urban road lighting design standard CJJ 45 (9) 1 electrical inspection and testing, and packaging process, which is characterized by a scraping and pressing procedure in the through-hole silk screen printing process. International application international announcement entry date of the country patent agency Hangzhou Jiuzhou Patent Office Co., Ltd. institutional address agent Wang Hongxin; Tang Zhengzhong