Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Kunio Ueno0
Yuichi Hamada0
Date of Patent
August 25, 2009
0Patent Application Number
113985480
Date Filed
April 6, 2006
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A sample analyzer is provided that is capable of eliciting sufficient performance of an avalanche photodiode, and performing high-precision analysis of the sample. The sample analyzer is provided with a WBC detection section that uses the avalanche photodiode as a photoreceptor element. The WBC detection section is provided with a flow cell, semiconductor light source, side collective lens, dichroic mirror, and avalanche photodiode. The side collective lens is a lens with a high NA (numeric aperture), and an aspheric lens with a small aberration. The sample analyzer prepares a scattergram using side fluorescent light signals and side scattered light signals to classify white blood cells into five categories.
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