BIO-CHIP READING DEVICE

Japanese Patent JP3689901

B2

PROBLEM TO BE SOLVED: To permit miniaturization, cost reduction and the enhancement of accuracy by arranging a plurality of the spectroscopic data of a sample to the empty region between sample images in the image corresponding to the sample.
SOLUTION: The light (exciting light) emitted from a light source 1 becomes parallel light by a lens 2 to be reflected by a dichroic mirror 3, and the reflected light is condensed through an object lens 4 to irradiate the surface of a sample 5. The sample 5 emits fluorescence (different from exciting light in wavelength) by this irradiation light and this fluorescence again returns to the object lens 4 to be incident on the dichroic mirror 3. The fluorescence from the sample 5 transmitted through the dichroic mirror 3 is diffracted by a diffraction lattice 6 and the angle of diffraction thereof corresponds to a wavelength. The light diffracted by the diffraction lattice 6 is condensed on a photodetector 8 through a lens 7. As the photodetector 8, for example, a camera is used. For example, when spots of a plurality of samples are arranged to a bio-chip, spectroscopic images (spectra) are obtained on the photodetector 8 at positions spatially shifted at every samples.

Takeo Tanaami

JP14939999A

August 31, 2005

May 28, 1999

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Yokogawa Electric Corporation

G01J3/18; G01J3/40; G01J3/46; G01N21/27; G01N21/75; G01N33/483; G01N33/53; G01N33/566; G01N37/00; (IPC1-7): G01N21/27; G01J3/18; G01J3/40; G01J3/46; G01N21/75; G01N33/483; G01N33/566

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WO1999023466A1
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