JPS5253447A - Measuring method - Google Patents
Measuring methodInfo
- Publication number
- JPS5253447A JPS5253447A JP12910575A JP12910575A JPS5253447A JP S5253447 A JPS5253447 A JP S5253447A JP 12910575 A JP12910575 A JP 12910575A JP 12910575 A JP12910575 A JP 12910575A JP S5253447 A JPS5253447 A JP S5253447A
- Authority
- JP
- Japan
- Prior art keywords
- measuring method
- permitting
- rapidly
- fall
- refractive index
- 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
Landscapes
- Length Measuring Devices By Optical Means (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
PURPOSE: To measure simply and rapidly the thickness, refractive index or the like of the object being measured in a non-contact and - destructive manner by permitting luminous fluxes having a wave width to fall on the object to form interference fringes by the transmitted and reflected light.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50129105A JPS6024402B2 (en) | 1975-10-27 | 1975-10-27 | Measuring method |
US05/734,245 US4072422A (en) | 1975-10-27 | 1976-10-20 | Apparatus for interferometrically measuring the physical properties of test object |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP50129105A JPS6024402B2 (en) | 1975-10-27 | 1975-10-27 | Measuring method |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5253447A true JPS5253447A (en) | 1977-04-30 |
JPS6024402B2 JPS6024402B2 (en) | 1985-06-12 |
Family
ID=15001182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP50129105A Expired JPS6024402B2 (en) | 1975-10-27 | 1975-10-27 | Measuring method |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6024402B2 (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49109060A (en) * | 1973-01-12 | 1974-10-17 |
-
1975
- 1975-10-27 JP JP50129105A patent/JPS6024402B2/en not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS49109060A (en) * | 1973-01-12 | 1974-10-17 |
Also Published As
Publication number | Publication date |
---|---|
JPS6024402B2 (en) | 1985-06-12 |
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