A connection frame for fastening a fan of a heat sink is provided. The roll is of the type that includes a surface coated with a pressure adhesive and a removable backing sheet. An electromagnetic field source is arranged in front of the external side of the dielectric window for generating an electromagnetic field within the plasma chamber. The terminals are devised as structures having a connect pin and can be installed with one-step installation process for elevating production efficiency and yield rate. The grapes of this new variety are produced on strong woody branches and stems and are well adapted to commercial handling.