NOVELTY - Process (P1) for making integrated back-sheet (30) for back contact solar cell module with many electrically connected solar cells, comprises: e.g. (a) providing polymeric wire mounting layer (38) having opposite first and second sides, and lengthwise length and direction and crosswise direction; (b) providing many elongated electrically conductive wires (42, 44) and adhering electrically conductive wires to first side of polymeric wire mounting layer in lengthwise direction; and (c) providing glass back-sheet (32) and adhering second side of polymeric wire mounting layer to glass back-sheet.    USE - The process is useful for making integrated back-sheet, which is useful for back contact solar cell module.    ADVANTAGE - The process provides the integrated back-sheet, which: exhibits improved transparency, impact resistance, penetration resistance, moisture resistance, UV light resistance, thermal stability and weatherability; and prevents the occurrence of short circuits in the solar cells; utilizes the electrically conductive wires that provides strength, current carrying ability, low bulk resistivity and wire handling properties, hence provides the modules with integrated back circuitry, and improved efficiency and lifetime.    DETAILED DESCRIPTION - Process (P1) for making an integrated back-sheet (30) for a back contact solar cell module with many electrically connected solar cells, comprises: (a) providing a polymeric wire mounting layer (38) having opposite first and second sides, and a lengthwise length and direction and a crosswise direction perpendicular to the lengthwise direction; (b) providing many elongated electrically conductive wires (42, 44) and adhering the electrically conductive wires to the first side of the polymeric wire mounting layer in the lengthwise direction of the polymeric wire mounting layer; (c) providing a glass back-sheet (32), and adhering the second side of the polymeric wire mounting layer to the glass back-sheet; (d) providing a polymeric interlayer dielectric layer having opposite first and second sides, and a lengthwise length and direction and a crosswise direction perpendicular to the lengthwise direction, and forming openings in the polymeric interlayer dielectric layer, where the openings are arranged in many columns extending in the lengthwise direction of the polymeric interlayer dielectric layer; (e) arranging the columns of openings in the interlayer dielectric layer over the electrically conductive wires adhered to the wire mounting layer so that the openings in each column of openings are aligned with and over one of the electrically conductive wires; and (f) attaching the polymeric interlayer dielectric layer to polymeric wire mounting layer. The electrically conductive wires: are aligned with the lengthwise direction of the polymeric wire mounting layer, where each electrically conductive wire has a cross sectional area of at least 70 square mils along their length; are not touching each other upon being adhered to the polymeric wire mounting layer; and extend at least two times the length of a solar cell of the back-contact solar cell module. INDEPENDENT CLAIMS are also included for:    (1) a process (P2) for making a back-contact solar cell module, comprising: providing a solar cell array of at least four solar cells each having a front light receiving surface, an active layer that generates an electric current when the front light receiving surface is exposed to light, and a rear surface opposite the front surface, where the rear surface has positive and negative polarity electrical contacts on it, and at least two of the solar cells of the solar cell array arranged in a column; the step (a) and (b) as above per se, where the electrically conductive wires extend at least the length of a column of the solar cells in the solar cell array; the step (d) as above per se; placing the interlayer dielectric layer between the rear surface of the solar cells of the solar cell array and the first side of the wire mounting layer; arranging the columns of openings in the interlayer dielectric layer over the electrically conductive wires adhered to the wire mounting layer so that the openings in each column of openings are aligned with and over one of the electrically conductive wires, and aligning the openings in the interlayer dielectric layer with the positive and negative polarity contacts on the rear surfaces solar cells of the solar cell array, where the positive and negative polarity electrical contacts on the solar cells are electrically connected to the electrically conductive wires through the openings in the polymeric interlayer dielectric layer; adhering the polymeric interlayer dielectric layer to the first surface of the polymeric wire mounting layer and to the rear surface of the solar cells of the solar cell array; and the step (c) as above per se;    (2) an integrated back sheet for the solar cell module, comprising: the polymeric wire mounting layer having a length of at least two times the length of a solar cell in the solar cell module; the elongated electrically conductive wires adhered to the first side of the polymeric wire mounting layer in the lengthwise direction of the polymeric wire mounting layer, where at least one of the electrically conductive wires is cut at least at one selected point along the length of the electrically conductive wires; and the glass back-sheet attached to the second side of the polymeric wire mounting layer;    (3) a solar cell module (M1), comprising: the solar cell array of at least four solar cells arranged in at least one column having a length; the polymeric wire mounting layer; the elongated electrically conductive wires; the polymeric interlayer dielectric layer having openings arranged in the columns extending in the lengthwise direction of the polymeric interlayer dielectric layer, where (i) the interlayer dielectric layer adheres to the rear surface of the solar cells of the solar cell array and to the first side of the wire mounting layer, (ii) the columns of openings in the interlayer dielectric layer are arranged over the electrically conductive wires adhered to the wire mounting layer so that the openings in each column of openings are aligned with and over one of the electrically conductive wires, and (iii) the openings in interlayer dielectric layer are aligned with the positive and negative polarity contacts on the rear surfaces solar cells of the solar cell array; and the glass back-sheet attached to the second side of polymeric wire mounting layer; and    (4) a solar cell module (M2).    DESCRIPTION OF DRAWING(S) - The figure shows a schematic representation of back-sheets with integrated wire circuits.    Integrated glass back-sheet (30)    Glass back-sheet (32)    Wire mounting layer (38)    Conductive wires (42, 44)