Patent ID: 11938503
Assignee: CANON KABUSHIKI KAISHA
Field: Chemical engineering (Chemistry)
Classification: CPC B | IPC B

Claim 0:
1. An ultrafine bubble-containing liquid manufacturing apparatus comprising:
an ultrafine bubble generating unit configured to generate ultrafine bubbles with a diameter of less than 1.0 μm by bringing a liquid into film boiling, including:
a heater;
a flow path for leading the liquid to the heater;
a controller configured to drive the heater and cause film boiling in the liquid led to the heater; and
an ejection opening for ejecting liquid containing ultrafine bubbles generated by the film boiling; and

a container configured to collect the liquid in a sealed space cut off from outside air immediately after being ejected from the ejection opening,
wherein the apparatus is configured such at least 99.8% of bubbles in the liquid collected in the container are the ultrafine bubbles.