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:
Oct. 17, 1995
Filed:
Jul. 19, 1994
Iain Hueton, Los Altos Hills, CA (US);
Ezra Van Gelder, Belmont, CA (US);
Molecular Dynamics, Inc., Sunnyvale, CA (US);
Abstract
A high-speed fluorescence scanner for scanning a sample at equal angles is disclosed. The scanner has most of its optical components, including a light beam source, a detector, and various filters, lenses, and reflectors, in a fixed position, removed from the scan head. The lightweight scan head contains a single reflector and lens combination which is reciprocated rapidly along one axis to lengthen and shorten a region of the path of a collimated excitation beam and to form a scan line on a sample. The fluorescence emission may be gathered by the lens of the scan head and directed back, generally along the optical path of the excitation beam, to a detector. Another embodiment of the scanner places the light source, in miniature form, directly on the scan head. The sample may be translated in an axis orthogonal to the scan line in order to stimulate fluorescent emission from a two-dimensional portion of the sample. The design of the optical assembly currently permits scan speeds of up to approximately 100 inches per second.