HOT BLAST HEATER, AND WARP MEASURING DEVICE

摘要

PROBLEM TO BE SOLVED: To provide a small-sized hot blast heater which can lessen installation area and can measure the warp of a printed board. SOLUTION: The interior of a reflow furnace casing 21 for soldering an electronic part onto a printed board 20 by giving hot blast to this printed board 20 is divided above and below into the side of a heating casing 24 and the side of a thermostat vessel 23, and besides the heating casing 24 is provide at the bottom of a metallic plate 22.