Patent ID: 11867460
Assignee: GEN-PROBE INCORPORATED
Field: Basic materials chemistry (Chemistry)
Classification: CPC F  A  B | IPC A  B  F

Claim 16:
17. An apparatus comprising:
a fluid chamber containing a freezing liquid;
a liquid dispenser; and
a gas injector;
wherein the liquid dispenser is configured to move relative to the fluid chamber so that the liquid dispenser is aligned above a target zone located along a surface of the freezing liquid contained in the fluid chamber, and the liquid dispenser is configured to dispense a droplet of liquid onto the surface of the freezing liquid contained in the fluid chamber at the target zone;
wherein the gas injector is configured to move relative to the fluid chamber so that the gas injector is aligned above the target zone located along the surface of the freezing liquid contained in the fluid chamber, and the gas injector is configured to inject a gas stream transversely to the surface of the freezing liquid contained in the fluid chamber at the target zone.