JPS6417005A - Curved reflecting mirror - Google Patents

Curved reflecting mirror

Info

Publication number
JPS6417005A
JPS6417005A JP17239587A JP17239587A JPS6417005A JP S6417005 A JPS6417005 A JP S6417005A JP 17239587 A JP17239587 A JP 17239587A JP 17239587 A JP17239587 A JP 17239587A JP S6417005 A JPS6417005 A JP S6417005A
Authority
JP
Japan
Prior art keywords
films
reflecting mirror
refractive index
film
peripheral part
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.)
Pending
Application number
JP17239587A
Other languages
Japanese (ja)
Inventor
Ichiro Yamada
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Aviation Electronics Industry Ltd
Original Assignee
Japan Aviation Electronics Industry Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Japan Aviation Electronics Industry Ltd filed Critical Japan Aviation Electronics Industry Ltd
Priority to JP17239587A priority Critical patent/JPS6417005A/en
Publication of JPS6417005A publication Critical patent/JPS6417005A/en
Pending legal-status Critical Current

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  • Optical Elements Other Than Lenses (AREA)

Abstract

PURPOSE:To form a curved reflecting mirror having a high reflectivity without decreasing the reflectivity even in a peripheral part by continuously changing the film thicknesses in the respective film plane directions of 1st films and 2nd films and/or the mixing ratios of plural materials constituting said films and specifying the optical film thicknesses of the respective parts constant in the predetermined direction of a reflecting mirror. CONSTITUTION:The 1st film 14 consisting of a material having a low refractive index and the 2nd films 15 consisting of a material having the refractive index higher than the refractive index of the 1st films 14 are alternately laminated on the concave curved surfaces of a substrate 11. The film thickness (d) of both the 1st films 14 and the 2nd films 15 is continuously reduced nearer the peripheral part B than the central part A of the reflecting mirror of this embodiment and the optical film thickness nd in the respective parts of both the 1st films 14 and the 2nd films 15 is so set as to attain lambda/4 in the incoming direction of the light in parallel with the optical axis of the reflecting mirror. The high reflectivity is thereby obtd. over the entire surface of the reflecting mirror.
JP17239587A 1987-07-10 1987-07-10 Curved reflecting mirror Pending JPS6417005A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP17239587A JPS6417005A (en) 1987-07-10 1987-07-10 Curved reflecting mirror

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP17239587A JPS6417005A (en) 1987-07-10 1987-07-10 Curved reflecting mirror

Publications (1)

Publication Number Publication Date
JPS6417005A true JPS6417005A (en) 1989-01-20

Family

ID=15941140

Family Applications (1)

Application Number Title Priority Date Filing Date
JP17239587A Pending JPS6417005A (en) 1987-07-10 1987-07-10 Curved reflecting mirror

Country Status (1)

Country Link
JP (1) JPS6417005A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011203359A (en) * 2010-03-24 2011-10-13 Stanley Electric Co Ltd Reflector using dielectric layer and method for producing the same

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62103602A (en) * 1985-10-31 1987-05-14 Toshiba Corp Optical device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62103602A (en) * 1985-10-31 1987-05-14 Toshiba Corp Optical device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011203359A (en) * 2010-03-24 2011-10-13 Stanley Electric Co Ltd Reflector using dielectric layer and method for producing the same

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