JPS5590825A - Reflection reference plate - Google Patents
Reflection reference plateInfo
- Publication number
- JPS5590825A JPS5590825A JP16432278A JP16432278A JPS5590825A JP S5590825 A JPS5590825 A JP S5590825A JP 16432278 A JP16432278 A JP 16432278A JP 16432278 A JP16432278 A JP 16432278A JP S5590825 A JPS5590825 A JP S5590825A
- Authority
- JP
- Japan
- Prior art keywords
- reflecting
- reference plate
- film
- vacuum deposition
- silver mirror
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
- G02B5/12—Reflex reflectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Photometry And Measurement Of Optical Pulse Characteristics (AREA)
Abstract
PURPOSE:To provide a reflection reference plate which has excellent reproducibility by forming a reflecting film on one side surface of an optical material by vacuum deposition or silver mirror reaction or the like. CONSTITUTION:A reflecting film 4 is formed integrally with an optical material 3 made of transparent glass plate or the like on one side surface of the material 3 by means of vacuum deposition or silver mirror reaction or the like. Thus, it can eliminate unnecessary spectral characteristics to thereby enhance its reproducibility. When fine ruggedness is formed on the reflecting surface of the material 3 as a diffusing surface 31 and the film 4 is formed thereon, it can eliminate the directivity of the reflecting lights to thereby omit the precise optical axis alignment procedure. Further, when the flatness of the diffusing surface 31 is altered, it can obtain a reference plate having arbitrary reflecting amount.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16432278A JPS6013451B2 (en) | 1978-12-29 | 1978-12-29 | reflective reference plate |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16432278A JPS6013451B2 (en) | 1978-12-29 | 1978-12-29 | reflective reference plate |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5590825A true JPS5590825A (en) | 1980-07-09 |
JPS6013451B2 JPS6013451B2 (en) | 1985-04-08 |
Family
ID=15790947
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16432278A Expired JPS6013451B2 (en) | 1978-12-29 | 1978-12-29 | reflective reference plate |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6013451B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5838821A (en) * | 1981-08-31 | 1983-03-07 | Canon Inc | Light measuring device for camera |
US4662745A (en) * | 1986-02-05 | 1987-05-05 | Atlantic Richfield Company | Reflectance and luminescence calibration plate having a near-Lambertian surface and method for making the same |
US4995198A (en) * | 1984-09-17 | 1991-02-26 | Atlantic Richfield Company | Method for making a reflectance calibration plate having a near-Lambertian surface |
-
1978
- 1978-12-29 JP JP16432278A patent/JPS6013451B2/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5838821A (en) * | 1981-08-31 | 1983-03-07 | Canon Inc | Light measuring device for camera |
JPS634648B2 (en) * | 1981-08-31 | 1988-01-29 | Canon Kk | |
US4995198A (en) * | 1984-09-17 | 1991-02-26 | Atlantic Richfield Company | Method for making a reflectance calibration plate having a near-Lambertian surface |
US4662745A (en) * | 1986-02-05 | 1987-05-05 | Atlantic Richfield Company | Reflectance and luminescence calibration plate having a near-Lambertian surface and method for making the same |
Also Published As
Publication number | Publication date |
---|---|
JPS6013451B2 (en) | 1985-04-08 |
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