The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Oct. 30, 2018

Filed:

Mar. 11, 2015
Applicant:

Tokyo Electron Limited, Tokyo, JP;

Inventors:

Kazuyuki Mitsuoka, Yamanashi, JP;

Hiroki Ohno, Yamanashi, JP;

Takehiko Orii, Yamanashi, JP;

Takayuki Toshima, Kumamoto, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); H01L 21/02 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67017 (2013.01); H01L 21/02057 (2013.01); H01L 21/02101 (2013.01);
Abstract

Disclosed is a separation and regeneration apparatus including: a supercritical processing unit configured to generate a mixed gas including a first fluorine-containing organic solvent having a first boiling point and a second fluorine-containing organic solvent having a second boiling point lower than the first boiling point; and a distillation tank configured to store hot water having a temperature between the first boiling point and the second boiling point, in which the mixed gas is input into the hot water to be separated into the first fluorine-containing organic solvent in a liquid state and the second fluorine-containing organic solvent in a gas state, in which an introduction line configured to guide the mixed gas from the supercritical processing unit to the distillation tank is provided and a distal end of the introduction line is disposed in the hot water.


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