| 摘要 |
PROBLEM TO BE SOLVED: To provide a method of supplying a flux onto a printed wiring board by a spray method which is environmentally allowable and can increase throughput of the printed board and can supply a flux with high accuracy, and also to provide a nozzle system used in the method. SOLUTION: A flux solution is supplied to a storage bath 11 from a flux tank 15 for supplying the flux solution, and the flux solution is stored in the storage bath 11. After the flux solution is supplied to a nozzle 6 from the storage bath 11 to accumulate the flux solution in the nozzle 6, the flux solution is jet out from the nozzle 6 towards the printed board 2. The liquid level of the flux solution stored in the storage bath 11 is made nearly the same as the height of an leading edge part of the nozzle.
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