NOVELTY - An insulating reflector body have spaced grooves formed in one face while an IR lamp is arranged in each groove and spaced from the side walls of the groove to provide an annular space for the passage of cooling air between lamp and groove wall. An IR transmissive plate is arranged in contact with the grooved face of the reflector body to isolate each lamp from the lamps in the adjacent grooves and to isolate the lamps from a process zone (11) of a furnace (10). Each groove has a highly reflective surface to direct IR light from lamp to process zone through IR transmissive plate.    USE - For firing multi zone heating furnaces (claimed) for solar cell processing.    ADVANTAGE - Effectively double the heating rate and furnace processing throughput of the advanced materials such as silicon, selenium, germanium or gallium-based solar cell wafers. Operationally configures the power, cooling systems, and belt speed not only to control zones separately from each other, but also to control individual lamps, to achieve a wide range of thermal profiles longitudinally along the materials process flow path throughout the various zones to produce solar cells with significantly improved performance and efficiencies. Permits operation of commercial IR lamps at or near the maximum permissible power levels without pushing lamp temperatures beyond the safe operating temperature at which the quartz lamp envelopes begin to soften, lose rigidity, sag and eventually fail. Focuses output of the IR lamps into a high power beam of energy directed into the process zone for superior usable power density in the process zone. Provides spacing ribs between adjacent channels to prevent lamps from heating adjacent lamps, confining and directing the IR radiation toward the process zone. Create and define an annular coolant passage surrounding the length of the lamp thorough which cooling air/gas is passed. Performs sufficient IR isolation, separates coolant gas or air to individual lamps, and separates the coolant air flow from the process zone so that very light fragile wafers are not disturbed by turbulent air flow.    DETAILED DESCRIPTION - INDEPENDENT CLAIMS are also included for the following:    (1) a heating method for product in industrial processing furnace;    (2) and an improved multi zone IR lamp thermal processing heating furnaces.    DESCRIPTION OF DRAWING(S) - The figure shows the schematic side view of the furnace with isolation heating zone integrated in burn out zone, quench zone, stop quench zone, and annealing zone.    Furnace (10)    Process zone (11)    Conveyor belt (13)    Burn-out zone (14)    Spike zone modules (16)