Patent ID: 6600137
Filing Date: 2003-07-29
Classification: B23K,H05K

Abstract:
A heating apparatus capable of heating an object such that an electronic component is bonded to a bonding base object via the object, said heating apparatus comprising:a conveyance section operable to convey the bonding base object in a conveyance direction, said conveyance section comprising a pair of rail sections; a heating chamber to heat the object, said heating chamber being operable to supply a gas at a specified flow rate as a heating source, said heating chamber being operable to supply the gas in a bonding base object direction, which intersects the conveyance direction; a heating device constructed and arranged to heat the gas to a specified temperature; a heated gas flow path control member comprising a shield plate, said heated gas flow path control member being disposed on one of said pair of rail sections at a position between an inside of said heating chamber and an outside of said heating chamber, said heated gas flow path control member operable to block heated gas from escaping to the outside of said heating chamber by changing a flow path of the heated gas from a first flow path to a second flow path, the first flow path having a first direction of flow from the inside of said heating chamber to the outside of said heating chamber, the second flow path having a second direction of flow from the outside of said heating chamber to the inside of said heating chamber; and a gas supply heat quantity control unit operable to set a quantity of heat of the gas to a first quantity of heat when heat treatment for the object is not required and to set the quantity of heat of the gas to a second quantity of heat when heat treatment for the object is required such that the first quantity of heat is smaller than the second quantity of heat, wherein a first portion of the gas supplied in the bonding base object direction is supplied onto the bonding base object, wherein a second portion of the gas supplied in the bonding base object direction is supplied beyond the bonding base object, and wherein said heating chamber is further operable to direct the second portion of the gas to said heating device such that the second portion of the gas is reheated, thereby internally recirculating the gas.