Liquid agent application apparatus

A liquid agent application apparatus comprising:

• an application nozzle configured to move up and down with respect to a board and relatively move in a horizontal plane direction with respect to the board:
• an application valve configured to switch between a first state in which supply of a liquid agent to the application nozzle is performed and a second state in which the supply of the liquid agent to the application nozzle is stopped;
• and
• a control device configured to control the application nozzle and the application valve to:
• lower the application nozzle from above the board toward a predetermined position on the board,
• switch the application valve to the first state at a supply start timing,
• switch the application valve to the second state after an application time that starts at the supply start timing, and
• raise the application nozzle after a timing at which a tip end of the application nozzle reaches a lowering end and the application valve is switched to the second state,
• wherein the supply start timing is set to a time that is retroactive by the application time from an expected time when the tip end reaches the lowering end, the expected time is set such that a time period from the time when the application nozzle reaches the lowering end to the time when the application nozzle is raised is as short as possible.