US Patent 7123571 Compound objective lens with fold mirror
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Patent abstract
A compound objective lens includes a first lens element and a second lens element, the first element including a mirror surface for internally redirecting a radiation beam passing through the first element. The objective lens has a numerical aperture greater than 0.65, and the focal length F1 of the first element is related to the focal length F of the objective lens by the relation:
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US Patent 07123571 Compound objective lens with fold mirror US Patent 7123571 Compound objective lens with fold mirror
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Patent Number
0712357100
Patent Number
712357100
Edits on 22 May, 2023
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Official Website
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Infobox
Is a
Patent Jurisdiction
Patent Number
071235710
Date of Patent
October 17, 2006
0Patent Application Number
105102550
Date Filed
March 20, 2003
0Official Website
Patent Primary Examiner
Edits on 24 Sep, 2022
Golden AI
Infobox
Is a
Patent Jurisdiction
Patent Number
071235710
Date of Patent
October 17, 2006
0Patent Application Number
105102550
Date Filed
March 20, 2003
0Official Website
Patent Primary Examiner
Edits on 7 Jun, 2022
Golden AI
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Edits on 18 Nov, 2021
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US Patent 07123571 Compound objective lens with fold mirror
Infobox
Is a
Patent jurisdiction
Patent number
07123571
Date of patent
October 17, 2006
Patent application number
10510255
Date Filed
March 20, 2003
Patent primary examiner
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