JPS5255545A - Stepwise lens - Google Patents

Stepwise lens

Info

Publication number
JPS5255545A
JPS5255545A JP12843375A JP12843375A JPS5255545A JP S5255545 A JPS5255545 A JP S5255545A JP 12843375 A JP12843375 A JP 12843375A JP 12843375 A JP12843375 A JP 12843375A JP S5255545 A JPS5255545 A JP S5255545A
Authority
JP
Japan
Prior art keywords
stepwise
lens
stepwise lens
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
JP12843375A
Other languages
Japanese (ja)
Inventor
Henrii Aperudoon Rojiyaa
Harii Andaason Reimondo
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.)
3M Co
Original Assignee
Minnesota Mining and Manufacturing Co
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 Minnesota Mining and Manufacturing Co filed Critical Minnesota Mining and Manufacturing Co
Priority to JP12843375A priority Critical patent/JPS5255545A/en
Publication of JPS5255545A publication Critical patent/JPS5255545A/en
Pending legal-status Critical Current

Links

JP12843375A 1975-10-27 1975-10-27 Stepwise lens Pending JPS5255545A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12843375A JPS5255545A (en) 1975-10-27 1975-10-27 Stepwise lens

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12843375A JPS5255545A (en) 1975-10-27 1975-10-27 Stepwise lens

Publications (1)

Publication Number Publication Date
JPS5255545A true JPS5255545A (en) 1977-05-07

Family

ID=14984617

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12843375A Pending JPS5255545A (en) 1975-10-27 1975-10-27 Stepwise lens

Country Status (1)

Country Link
JP (1) JPS5255545A (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511563A (en) * 1967-11-14 1970-05-12 Minnesota Mining & Mfg Projector

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3511563A (en) * 1967-11-14 1970-05-12 Minnesota Mining & Mfg Projector

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