Apparatus and method for measuring cured state of reaction...

Details Apparatus and method for measuring cured state of reaction... Apparatus and method for measuring cured state of reaction...

2008-01-29

2008-01-29

Porta, David (Department: 2884)

Radiant energy

Invisible radiant energy responsive electric signalling

Ultraviolet light responsive means

Reexamination Certificate

active

11013536

ABSTRACT:
A reaction curable resin is irradiated with ultraviolet light having wavelengths of 250 to 380 nm. A screen image of luminance value, which is obtained by extracting only a specific wavelength component of the reflected ultraviolet light, is recorded, and the cured state of an ultraviolet curable resin is quantified from a captured image and displayed. At the same time, the spectral characteristics of reflected light are measured by an ultraviolet spectroscope and a cured state is quantified in accordance with the change rate of absorbances obtained from a change of spectral characteristics by combining the spectral characteristic with a luminance value image and displayed.

REFERENCES:
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patent: 2002/0103439 (2002-08-01), Zeng et al.
patent: 2003/0074095 (2003-04-01), Neubauer et al.
patent: 2004/0036027 (2004-02-01), Horton et al.
patent: 6-294734 (1994-10-01), None
patent: 2000-55806 (2000-02-01), None

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