A thermal interface material made with a phase change polymer and a fusible filler material. The support structure circumscribes a pump chamber and includes a first sealing surface, an opposing second sealing surface, and a fluid transfer end interposed between the sealing surfaces. The reconstruction loop reconstructs a current frame according to the residues and prediction information. The target image and each adjacent image respectively has a maximum gray level. A leaf spring member is mounted in each accommodating groove.