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:
Mar. 11, 2014
Filed:
Nov. 23, 2010
Jeong Hyoun Sung, Suwon-si, KR;
Jeong Hyoun Sung, Suwon-si, KR;
Samsung Electronics Co., Ltd., Gyeonggi-do, KR;
Abstract
Disclosed herein is a mask-less exposure apparatus to enlarge or reduce an exposure area in a scan direction and a control method thereof. The mask-less exposure apparatus includes a light source unit configured to supply light, a spatial light modulation unit configured to selectively transmit the light to a substrate, a drive pulse generation unit configured to generate a drive pulse signal and adjust an operation beginning time of the spatial light modulation unit, a substrate shape measurement unit configured to measure a scan-direction length of the substrate, and a drive pulse correction unit configured to correct a drive pulse signal interval so as to enlarge or reduce an exposure area of the substrate according to the scan-direction length of the substrate.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile