Optics: measuring and testing – By shade or color – With color transmitting filter
Reexamination Certificate
2007-04-24
2007-04-24
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
By shade or color
With color transmitting filter
C250S458100
Reexamination Certificate
active
11176287
ABSTRACT:
A biochip reader has a microlens plate having a plurality of microlenses, a light source which applies coherent light to the microlens plate as excitation light, a dichroic mirror which transmits or reflects outgoing light from the microlens plate, and reflects or transmits fluorescence occurring on a biochip, a photographing section, a lens which collects the light reflected or transmitted on the dichroic mirror into the photographing section, a barrier filter provided between the dichroic mirror and the photographing section, and a driving section which drives the microlens plate, wherein while the driving section drives the microlens plate, excitation light diverged or collected by the plurality of microlenses scans a surface of the biochip. Each of the microlenses having arbitrary size are provided on the microlens plate at arbitrary positions, An outgoing angle at each microlens of divergence light or collection light is limited to a narrow angle.
REFERENCES:
patent: 6888630 (2005-05-01), Tanaami et al.
patent: 2001-194309 (2001-07-01), None
patent: 2001-194310 (2001-07-01), None
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patent: 2004-138420 (2004-05-01), None
Sugiyama Yumiko
Suzuki Yasunori
Tanaami Takeo
Punnoose Roy M.
Sughrue & Mion, PLLC
Toatley , Jr. Gregory J.
Yokogawa Electric Corporation
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