Patent ID: 11859153
Assignee: CHANGXIN MEMORY TECHNOLOGIES, INC.
Field: Chemical engineering (Chemistry)
Classification: CPC B  C  F  H | IPC B  C  F  H

Claim 8:
9. The method according to claim 1, wherein the solidifying the dewetting chemical agent in the liquid phase remaining on the surface of the substrate, to obtain the dewetting chemical agent in the solid phase comprises:
controlling the fifth speed of the substrate in a range of 5 rpm to 50 rpm, controlling the temperature of the chamber in a range of −120° C. to −40° C., and controlling the pressure of the chamber in a range of 0.1 mTorr to 100 mTorr; and, and wherein the removing the dewetting chemical agent in the solid phase comprises:
controlling the sixth speed of the substrate in a range of 100 rpm to 1000 rpm, and the temperature of the chamber in a range of 20° C. to 50° C.