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Title:
IMAGE LOCKING SYSTEM FOR DNA MICRO-ARRAY SYNTHESIS
Document Type and Number:
WIPO Patent Application WO2005114551
Kind Code:
A3
Abstract:
An image locking system for DNA micro-array synthesis provides a feedback system to stabilize or lock the image with respect to an image capture device, such as a camera and/or microscope. The image locking system includes the use of detection or reference marks. When a shift in image position is detected, a correction signal is sent to one of two mirrors, moving the image to correct for the shift in image position. The system comprises a first light beam directed towards a micromirror device that forms an alignment pattern on a reaction cell and a second light beam directed towards the micromirror device that forms a micro-array image on an active surface of the reaction cell. A camera captures the alignment pattern and an alignment mark. A computer calculates a correction signal to realign the alignment pattern with the alignment mark when movement is detected.

Inventors:
CERRINA FRANCESCO (US)
LI MO-HUANG (US)
KIM CHANG-HAN (US)
Application Number:
PCT/US2005/010116
Publication Date:
July 27, 2006
Filing Date:
March 25, 2005
Export Citation:
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Assignee:
WISCONSIN ALUMNI RES FOUND (US)
CERRINA FRANCESCO (US)
LI MO-HUANG (US)
KIM CHANG-HAN (US)
International Classes:
G06K9/00; B01J19/00; G02B7/182; G02B17/00; G02B26/08; G02F1/33; G06K9/68
Foreign References:
US6375903B12002-04-23
US6768820B12004-07-27
US6998219B22006-02-14
US20020146847A12002-10-10
Other References:
KERTH ET AL.: "Excimer Laser Projection Lithography on a Full-Filed Scanning Projection System", IEEE, 1986, pages 299 - 301, XP001160816
See also references of EP 1747524A4
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