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1.Three-element objective lens with reduced spherical aberration and chromatic difference of spherical aberration 失效
Title translation: 减少球面像差和球面像差差的三元物镜公开(公告)号:US2663222A
公开(公告)日:1953-12-22
申请号:US21224851
申请日:1951-02-23
Applicant: FARRAND OPTICAL CO INC
Inventor: SEYMOUR ROSIN , BOTTALICO ANGELA M
IPC: G02B9/04
CPC classification number: G02B9/04
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公开(公告)号:US2787701A
公开(公告)日:1957-04-02
申请号:US31000352
申请日:1952-09-17
Applicant: FARRAND OPTICAL CO INC
Inventor: SEYMOUR ROSIN
CPC classification number: G01J3/10 , G02B19/0023 , G02B19/0047
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3.Monochromator with slit reflecting mirrors in collimated light beams 失效
Title translation: 在准直光束中具有狭缝反射镜的单色器公开(公告)号:US2595706A
公开(公告)日:1952-05-06
申请号:US8355149
申请日:1949-03-26
Applicant: FARRAND OPTICAL CO INC
Inventor: SEYMOUR ROSIN
IPC: G01J3/16
CPC classification number: G01J3/16
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公开(公告)号:US2588414A
公开(公告)日:1952-03-11
申请号:US69623746
申请日:1946-09-11
Applicant: FARRAND OPTICAL CO INC
Inventor: SEYMOUR ROSIN
IPC: G02B13/18
CPC classification number: G02B13/18
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