NOVELTY - Solar cell module (100), comprises: a circuit board (110); many solar cells (120) disposed on a first surface of the circuit board; many metal terminals (112) formed on the first surface of the circuit board; and many wires electrically connecting the solar cells and the metal terminals, where the circuit board has a second surface opposite to the first surface and a rear surface comprising openings corresponding to the metal terminals, the openings exposing the metal terminals to an exterior of the solar cell module, thus forming contact terminals (114) for the solar cell module.    USE - The solar cell module is useful in solar circuit module and energy conversion module (all claimed).    ADVANTAGE - The solar cell module: exhibits reduced thickness while having external contact terminals and can be manufactured by changing the structure or material of a printed circuit board substrate; and reduces the processing time.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for:    (1) a solar circuit module, comprising: a metal circuit board; many solar cells disposed on the first surface of the metal circuit board; many wires electrically connecting the solar cells and the metal circuit board; and a transparent resin at least partially surrounding the first surface of the metal circuit board and a second surface of the metal circuit board opposite the first surface of the metal circuit board, where the transparent resin comprises many holes exposing portions of the metal circuit board to an exterior of the solar circuit module, thus forming contact terminals for the solar circuit module; and    (2) an energy conversion module, comprising: a substrate, the substrate having the first surface and the second surface opposing the first surface; many solar cells disposed on the first surface of the substrate; many metal terminals formed on the first surface of the substrate; and many wires formed to electrically connect the solar cells and the metal terminals; a transparent resin at least partially surrounding the solar cells; and a transparent panel disposed on the transparent resin, where the second surface of the substrate comprises many openings in correspondence with the metal terminals to expose the metal terminals to an exterior of the energy conversion module, thus forming contact terminals of the energy conversion module.    DESCRIPTION OF DRAWING(S) - The figure shows a schematic view of a solar cell module.    Solar cell module (100)    Circuit board (110)    Metal terminals (112)    Contact terminals (114)    Many solar cells (120)