PREPREG AND USE THEREOF
PURPOSE:To strongly perform adhesion of a fluorine resin layer to a metal layer by making the surface side of the fluorine resin layer unsintered. CONSTITUTION:A fluorine resin layer is formed on the surface of a cloth-like base material 1 such as glass fiber to be a prepreg. This fluorine resin lay...
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Zusammenfassung: | PURPOSE:To strongly perform adhesion of a fluorine resin layer to a metal layer by making the surface side of the fluorine resin layer unsintered. CONSTITUTION:A fluorine resin layer is formed on the surface of a cloth-like base material 1 such as glass fiber to be a prepreg. This fluorine resin layer consists of a sintered fluorine resin layer 3 and an unsintered fluorine resin layer 2 on the front surface side, and the layer 2 is easy to flow while having large adhesive strength when a metal layer such as a copper foil is stuck to the surface thereof so as to prevent generation of the void. As a result, a prepreg able to strongly stick the metal layer to the surface thereof is provided. |
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