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.
Patent No.:
Date of Patent:
Jun. 22, 2004
Filed:
Nov. 07, 2002
Yoshitomo Nagahashi, Gunma-ken, JP;
Nikon Corporation, Tokyo, JP;
Abstract
This invention is an exposure apparatus with an environmental control chamber for forming a closed space. An air conditioning device for circulating air in the closed space along a predetermined course of flow path. A main body of an exposure device which is disposed in a closed space formed by the environmental control chamber at a predetermined position along the predetermined course of flow path from the air conditioning device and exposes a substrate with a predetermined pattern. A heat-discharging box disposed in the environmental control chamber at least on the downstream side of the flow path from the main body of the exposure device and accommodating a first heat source which is detachable from the main body of the device.