| 摘要 |
PROBLEM TO BE SOLVED: To provide a surface-treatment apparatus, which is enabled to reduce the size, to improve plating quality and to reduce an amount of plating solution.SOLUTION: A tank 100 comprises: a liquid receiver 2 for receiving a treating liquid Q having fallen along a plate-shaped work 10; a liquid-residence portion 4 for causing the treating liquid Q to be brought into abutment against the plate-shaped work 10; and a liquid outflow portion 6 for causing the treating liquid Q having flowed over and down from the liquid-residence portion 4, to flow down toward the plate-shaped work 10. The liquid outflow portion 6 is constituted to protrude a leading end 6a from a connection portion 5 of the liquid-residence portion 4 to the side wall 4a (or the side wall 2a of the liquid receiver 2) of the liquid residence portion 4. |
