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:
Nov. 03, 2020

Filed:

Feb. 19, 2020
Applicant:

Kokusai Electric Corporation, Tokyo, JP;

Inventors:

Tomoyuki Yamada, Toyama, JP;

Tadashi Kontani, Toyama, JP;

Seiyo Nakashima, Toyama, JP;

Mikio Ohno, Toyama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 21/67 (2006.01); H01L 21/324 (2006.01);
U.S. Cl.
CPC ...
H01L 21/67017 (2013.01); H01L 21/324 (2013.01); H01L 21/67109 (2013.01);
Abstract

There is installed a configuration that includes a process container; a heater chamber exhaust duct configured to discharge an air that has cooled a space at which a heater is installed; a gas box exhaust duct configured to suck and discharge an atmosphere in a gas box; a scavenger exhaust duct configured to suck and discharge an atmosphere in a scavenger; a local exhaust duct configured to suck and discharge an atmosphere in a local exhaust port installed in a transfer chamber; an exhaust damper valve including an opening degree variable mechanism installed in at least one selected from the group of the heater chamber exhaust duct, the gas box exhaust duct, the scavenger exhaust duct, and the local exhaust duct; and a controller configured to remotely control an opening degree of the exhaust damper valve.


Find Patent Forward Citations

Loading…