Content delivery technology, in which a request to download a content file to a downloader device is received from a remote device and the downloader device associated with the received request is identified. The operating method for the memory device comprises following steps. The bias member can exert a bias sufficient to cause the deformable seal to fill the channels, preventing fluid flow through the channels. 1 to about 2 wt % of one or more unsaturated heterocyclic compounds, based on the total weight of the poly encapsulant. A second sealing member, positioned near a proximal end of the distal tip portion, forms a fluid seal between the inner member and an inside surface of the delivery catheter. Heat is then applied to liquefy the brazing alloy which is drawn up into the metal wire fiber material by capillary affect created by the wire transport material.