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US3700311A Expired / Lapsed US ⏱️ 0.0 years remaining

Eight component 100x microscope objective

Assignee: American Optical Corp
•
Filing: 1971-11-22
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Granted: 1972-10-24
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Expires: 1991-11-22
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Abstract

Abstract An eight component apochromatic oil immersion microscope objective having a magnification of substantially 100X and a numerical aperture of substantially 1.30.

Inventors

  • 👤 Arthur H Shoemaker

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-30 14:45
CPC Classifications
G; G02; G02B; G02B21/00; G02B21/02

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 415 words
An apochromatic microscope objective having a magnification of substantially 100X and a numerical aperture of substantially 1.30 for forming an image of an object, said image being well corrected for chromatic aberrations, coma, astigmatism, and curvature of image field, said objective comprising the following components: a front plano-convex lens element I; a second concavo-convex lens element II; said front and second elements forming a doublet; a third concavo-convex lens III; a fourth convex-concave lens element IV; a fifth double convex lens element V; said fourth and fifth elements forming a doublet; a sixth double concave lens element VI; a seventh double convex lens element VII; said sixth and seventh elements forming a doublet; an eighth double convex lens element VIII; a ninth double concave lens element IX; said eighth and ninth elements forming a doublet; a tenth double convex lens element X; an eleventh concavo-convex lens element XI; said tenth and eleventh elements forming a doublet; a twelfth convex-concave lens XII; a thirteenth double concave lens element XIII; a fourteenth double convex lens element XIV; said thirteenth and fourteenth elements forming a doublet; the parameters of lens radii (R), thicknesses (T), spacings (S), refractive indices (ND), and Abbe numbers ( gamma ), being determined by the following relationship wherein radii, thicknesses, and spacings are expressed in millimeters: MAGNIFICATION 100X N.A. 1.30 Lens Radius Thickness Space Refractive Abbe R T S Index Number ND gamma S1 0.2031F R1 00 I T1 0.2900F ND1 1.51700 gamma 1 64.50 R2 - 0.9047F II T2 1.5976F ND2 1.96028 gamma 2 34.91 R3 - 1.5254F S2 0.0109F R4 - 6.1208F III T3 1.1162F ND3 1.78833 gamma 3 50.47 R5 - 3.3813F S3 0.1641F R6 7.9280F IV T4 0.6566F ND4 1.72029 gamma 4 34.59 R7 4.1993F V T5 2.5715F ND5 1.43381 gamma 5 94.92 R8 - 4.1993F S4 0.0547F R9 -12.4583F VI T6 0.6566F N 6 1.65002 gamma 6 39.13 R10 3.7889F VII T7 2.2433F ND7 1.43381 gamma 7 94.92 R11 -7.3601F S5 0.0547F R12 5.0884F VIII T8 2.3527F ND8 1.43381 gamma 8 94.92 R13 - 5.9260F IX T9 0.6566F ND9 1.72029 gamma 9 34.59 R14 14.3705F S6 0.0547F R15 5.9260FX T10 2.0791F ND10 1.43381 gamma 10 94.92 R16 - 5.9260F XI T11 0.6566F ND11 1.66983 gamma 11 39.19 R17 - 5.9260F S7 0.0547F R18 5.9260F XII T12 2.2980F ND12 1.72029 gamma 12 34.59 R19 2.6263F S8 0.9827F R20 - 1.8472FXIII T13 0.5471F ND13 1.78833 gamma 13 50.47 R21 4.1993F XIV T14 1.3678 ND14 1.78446 gamma 14 25.75 R22 - 4.1993F
Claim 2
Dependent Claim 415 words
An apochromatic microscope objective having a magnification of substantially 100X and a numerical aperture of substantially 1.30 for forming an image of an object, said image being well corrected for chromatic aberrations, coma, astigmatism, and curvature of image field, said objective comprising the following components: a front plano-convex lens element I; a second concavo-convex lens element II; said front and second elements forming a doublet; a third concavo-convex lens III; a fourth convex-concave lens element IV; a fifth double convex lens element V; said fourth and fifth elements forming a doublet; a sixth double concave lens element VI; a seventh double convex lens element VII; said sixth and seventh elements forming a doublet; an eighth double convex lens element VIII; a ninth double concave lens element IX; said eighth and ninth elements forming a doublet; a tenth double convex lens element X; an eleventh concavo-convex lens element XI; said tenth and eleventh elements forming a doublet; a twelfth convex-concave lens XII; a thirteenth double concave lens element XIII; a fourteenth double convex lens element XIV; said thirteenth and fourteenth elements forming a doublet; the parameters of lens radii (R), thicknesses (T), spacings (S), refractive indices (ND), and Abbe numbers ( gamma ), being determined by the following relationship wherein radii, thicknesses, and spacings are expressed in millimeters: MAGNIFICATION 100X N.A. 1.30 Lens Radius Thickness Space Refractive Abbe R T S Index Number ND gamma S1 0.2031F R1 00 I T1 0.2900F ND1 1.51700 gamma 1 64.50 R2 - 0.9047F II T2 1.5976F ND2 1.96028 gamma 2 34.91 R3 - 1.5254F S2 0.0109F R4 - 6.1208F III T3 1.1162F ND3 1.78833 gamma 3 50.47 R5 - 3.3813F S3 0.1641F R6 7.9280F IV T4 0.6566F ND4 1.72029 gamma 4 34.59 R7 4.1993F V T5 2.5715F ND5 1.43381 gamma 5 94.92 R8 - 4.1993F S4 0.0547F R9 -12.4583F VI T6 0.6566F N 6 1.65002 gamma 6 39.13 R10 3.7889F VII T7 2.2433F ND7 1.43381 gamma 7 94.92 R11 -7.3601F S5 0.0547F R12 5.0884F VIII T8 2.3527F ND8 1.43381 gamma 8 94.92 R13 - 5.9260F IX T9 0.6566F ND9 1.72029 gamma 9 34.59 R14 14.3705F S6 0.0547F R15 5.9260FX T10 2.0791F ND10 1.43381 gamma 10 94.92 R16 - 5.9260F XI T11 0.6566F ND11 1.66983 gamma 11 39.19 R17 - 5.9260F S7 0.0547F R18 5.9260F XII T12 2.2980F ND12 1.72029 gamma 12 34.59 R19 2.6263F S8 0.9827F R20 - 1.8472FXIII T13 0.5471F ND13 1.78833 gamma 13 50.47 R21 4.1993F XIV T14 1.3678 ND14 1.78446 gamma 14 25.75 R22 - 4.1993F
Claim 3
Dependent Claim 411 words
An apochromatic microscope objective having a magnification of substantially 100X and a numerical aperture of substantially 1.30 for forming an image of an object, said image being well corrected for chromatic aberrations, coma, astigmatism, and curvature of image field, said objective comprising the following components: a front plano-convex lens element I; a second concavo-convex lens element II; said front and second elements forming a doublet; a third concavo-convex lens III; a fourth convex-concave lens element IV; a fifth double convex lens element V; said forth and fifth elements forming a doublet; a sixth double concave lens element VI; a seventh double convex lens element VII; said sixth and seventh elements forming a doublet; an eighth double convex lens element VIII; a ninth double concave lens element IX; said eighth and ninth elements forming a doublet; a tenth double convex lens element X; eleventh concavo-convex lens element XI; said tenth and eleventh elements forming a doublet; a twelfth convex-concave lens XII; a thirteenth double concave lens element XIII; a fourteenth double convex lens element XIV said thirteenth and fourteenth elements forming a doublet; the parameters of lens radii (R), thicknesses (T), spacings (S), refractive indices (ND), and Abbe numbers ( gamma ), being determined by the following relationship wherein radii, thicknesses, and spacings are expressed in millimeters: F 1.8277 MAGNIFICATION 100X N.A. 1.30 Lens Radius Thickness Space Refractive Abbe R T S Index Number ND gamma S1 0.3711R1 Plano I T1 0.53 ND1 1.51700 gamma 1 64.54 R2 - 1.6535 II T2 2.92 ND2 1.96028 gamma 2 34.91 R3 - 2.788 S2 0.02 R4 -11.187 III T3 2.04 ND3 1.78833 gamma 3 50.47 R5 -6.180 S3 0.30 R6 14.490 IV T4 1.20 ND4 1.72029 gamma 4 34.59 R7 7.675 V T5 4.70 ND5 1.43381 gamma 5 94.92 R8 - 7.675 S4 0.10 R9 -22.770 VI T6 1.20 ND6 1.65002 gamma 6 39.13 R10 6.925 VII T7 4.10 ND7 1.43381 gamma 7 94.92 R11 -13.452 S5 0.10 R12 9.300 VIII T8 4.30 ND8 1.43381 gamma 8 94.92 R13 -10.831 IX T9 1.20 ND9 1.72029 gamma 9 34.59 R14 26.265 S6 0.10 R15 10.831 X T10 3.80 ND10 1.43381 gamma 10 94.92 R16 -10.831 XI 11 1.20 ND11 1.66983 gamma 11 39.19 R17 -10.831 S7 0.10 R18 10.831 XII T12 4.20 ND12 1.72029 gamma 12 34.59 R19 4.800 S8 1.796 R20 - 3.376 XIII T13 1.00 ND13 1.78833 gamma 13 50.47 R21 7.675 XIV T14 2.50 ND14 1.78446 gamma 14 25.75 R22 - 7.675
Claim 4
Dependent Claim 411 words
An apochromatic microscope objective having a magnification of substantially 100X and a numerical aperture of substantially 1.30 for forming an image of an object, said image being well corrected for chromatic aberrations, coma, astigmatism, and curvature of image field, said objective comprising the following components: a front plano-convex lens element I; a second concavo-convex lens element II; said front and second elements forming a doublet; a third concavo-convex lens III; a fourth convex-concave lens element IV; a fifth double convex lens element V; said forth and fifth elements forming a doublet; a sixth double concave lens element VI; a seventh double convex lens element VII; said sixth and seventh elements forming a doublet; an eighth double convex lens element VIII; a ninth double concave lens element IX; said eighth and ninth elements forming a doublet; a tenth double convex lens element X; eleventh concavo-convex lens element XI; said tenth and eleventh elements forming a doublet; a twelfth convex-concave lens XII; a thirteenth double concave lens element XIII; a fourteenth double convex lens element XIV said thirteenth and fourteenth elements forming a doublet; the parameters of lens radii (R), thicknesses (T), spacings (S), refractive indices (ND), and Abbe numbers ( gamma ), being determined by the following relationship wherein radii, thicknesses, and spacings are expressed in millimeters: F 1.8277 MAGNIFICATION 100X N.A. 1.30 Lens Radius Thickness Space Refractive Abbe R T S Index Number ND gamma S1 0.3711R1 Plano I T1 0.53 ND1 1.51700 gamma 1 64.54 R2 - 1.6535 II T2 2.92 ND2 1.96028 gamma 2 34.91 R3 - 2.788 S2 0.02 R4 -11.187 III T3 2.04 ND3 1.78833 gamma 3 50.47 R5 -6.180 S3 0.30 R6 14.490 IV T4 1.20 ND4 1.72029 gamma 4 34.59 R7 7.675 V T5 4.70 ND5 1.43381 gamma 5 94.92 R8 - 7.675 S4 0.10 R9 -22.770 VI T6 1.20 ND6 1.65002 gamma 6 39.13 R10 6.925 VII T7 4.10 ND7 1.43381 gamma 7 94.92 R11 -13.452 S5 0.10 R12 9.300 VIII T8 4.30 ND8 1.43381 gamma 8 94.92 R13 -10.831 IX T9 1.20 ND9 1.72029 gamma 9 34.59 R14 26.265 S6 0.10 R15 10.831 X T10 3.80 ND10 1.43381 gamma 10 94.92 R16 -10.831 XI 11 1.20 ND11 1.66983 gamma 11 39.19 R17 -10.831 S7 0.10 R18 10.831 XII T12 4.20 ND12 1.72029 gamma 12 34.59 R19 4.800 S8 1.796 R20 - 3.376 XIII T13 1.00 ND13 1.78833 gamma 13 50.47 R21 7.675 XIV T14 2.50 ND14 1.78446 gamma 14 25.75 R22 - 7.675

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-10-24 1976-04-24 1976-10-24 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-10-24 1980-04-24 1980-10-24 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-10-24 1984-04-24 1984-10-24 $7700.00 Window Closed / Lapsed

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