Process of CCL Production by Vacuum Laminator

2021-05-21 11:44

The process principle of German lauffer vacuum laminator to produce ordinary CCL is not complicated. Please sort out the data in the industry and notify to delete any infringement.

The current production mode of copper clad laminate is generally intermittent. German lauffer vacuum laminator processing CCL production process is: synthesis and preparation of resin glue (glue); Immersion and drying (gluing) of semi-finished products; Lamination molding-pressing by vacuum laminator; Shearing and packaging. The simple point is to first carry out the composite resin layer production method, followed by the semi-cured sheet production method.

Here you introduce the preparation of CCL: first of all, according to the formula of epoxy resin, curing agent, inorganic filler, amino silane and organic solvent are added to the glue container in turn, and then stirred to dissolve completely and mature for several hours to make glue with certain viscosity. The 7628 electronic grade glass cloth is infiltrated with glue solution and baked for 5 to 6 minutes at 170 ℃ to make a semi-cured sheet with a gelling time of 150s. Eight prepreg sheets were laminated, 35 micron electrolytic copper foil was added to the upper and lower layers respectively, and then put into a mirror steel plate. Finally, they were placed in a vacuum laminator for lamination at a pressure of 2.94mpa(30kgf/cm2), and the curing conditions were 190 degrees and baked for 60min to obtain a laminated substrate (CCL).

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