1. A stress component measurement method comprising a stress component comparison step that compares a Raman spectrum obtained in a predetermined area (hereinafter called as a reference area) of a reference specimen to which a given stress component is applied with the stress component,
a correlation data production step that conducts the stress component comparison step on each of the multiple reference areas to which a different stress component is applied and that produces correlation data indicating a correlation between the Raman spectrum and the stress component by the use of a multivariate analysis method based on the result of the stress component comparison step, and
a stress component calculation step that calculates a stress component applied to a measurement area based on a Raman spectrum obtained in an area (hereinafter called as a measurement area) of a measurement specimen whose composition is the same as that of the reference specimen and the correlation data.
2. A stress component measurement device comprising a stress component comparison section that compares a Raman spectrum obtained in a predetermined area (hereinafter called as a reference area) of a reference specimen to which a given stress component is applied with the stress component,
a correlation data production section that obtains comparison results conducted by the stress component comparison section for each of the multiple reference areas to which a different stress component is applied and that produces correlation data indicating a correlation between the Raman spectrum and the stress component by applying a multivariate analysis method to the comparison results, a correlation data storage section that stores the correlation data, and
a stress component calculation section that calculates a stress component applied to a measurement area based on a Raman spectrum obtained in an area (hereinafter called as a measurement area) of a measurement specimen whose composition is the same as that of the reference specimen and the correlation data.
3. The stress component measurement method described in claim 1, wherein
the correlation data indicates a correlation between a peak shift value, a peak intensity value and a spectrum FWHM (Full Width at Half Maximum) of the Raman spectrum and each stress component.
4. A stress component measurement device comprising a stress component comparison section that compares a Raman spectrum obtained in a predetermined area (hereinafter called as a reference area) of a reference specimen to which a given stress component is applied with the stress component,
a correlation data production section that obtains comparison results conducted by the stress component comparison section for each of the multiple reference areas to which a different stress component is applied and that produces correlation data indicating a correlation between the Raman spectrum and the stress component based on the comparison results,
a correlation data storage section that stores the correlation data, and
a stress component calculation section that calculates a stress component applied to a measurement area based on a Raman spectrum obtained in an area (hereinafter called as a measurement area) of a measurement specimen whose composition is the same as that of the reference specimen and the correlation data.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1-7. (canceled)
8. A chassis for an illuminating unit comprising:
support surfaces on at least two opposed sides of the chassis, on which optical sheets are to be placed; and
stand walls at outer sides of the support surfaces; wherein
one of the stand walls on at least one of the opposed sides includes locking pieces protruding from the stand wall, the at least one of the opposed sides being a lower side in a normal usage state, and the locking pieces being arranged to lock a lower side of the optical sheets.
9. The chassis for an illuminating unit according to claim 8, wherein the stand walls are provided on all the sides around an entire periphery of the chassis, and the locking pieces are arranged so as to protrude from all the stand walls, which are arranged to lock all the sides around the optical sheets.
10. The chassis for an illuminating unit according to claim 8, wherein the locking pieces are unitary with the stand walls.
11. The chassis for an illuminating unit according to claim 8, wherein a distance between edges of the locking pieces protruding from the stand walls on two opposed sides of the chassis is longer than a length between two opposed sides of the optical sheets, the two opposed sides of the optical sheets corresponding to two opposed sides of the chassis.
12. An illuminating unit comprising the chassis for an illuminating unit according to claim 8.
13. A display device comprising the illuminating unit according to claim 12.
14. A television receiver comprising the illuminating unit according to claim 12.
15. A television receiver comprising the display device according to claim 13.