IT985720B - Apparecchio e procedimento per esaminare lenti oftalmiche dopo il trattamento delle loro super fici - Google Patents

Apparecchio e procedimento per esaminare lenti oftalmiche dopo il trattamento delle loro super fici

Info

Publication number
IT985720B
IT985720B IT50906/73A IT5090673A IT985720B IT 985720 B IT985720 B IT 985720B IT 50906/73 A IT50906/73 A IT 50906/73A IT 5090673 A IT5090673 A IT 5090673A IT 985720 B IT985720 B IT 985720B
Authority
IT
Italy
Prior art keywords
procedure
treatment
ophthalmic lenses
examining
examining ophthalmic
Prior art date
Application number
IT50906/73A
Other languages
English (en)
Original Assignee
American Optical Corp
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 American Optical Corp filed Critical American Optical Corp
Application granted granted Critical
Publication of IT985720B publication Critical patent/IT985720B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
    • G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
    • G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
    • G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
    • G01M11/02—Testing optical properties
IT50906/73A 1972-06-26 1973-06-19 Apparecchio e procedimento per esaminare lenti oftalmiche dopo il trattamento delle loro super fici IT985720B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26619372A 1972-06-26 1972-06-26

Publications (1)

Publication Number Publication Date
IT985720B true IT985720B (it) 1974-12-20

Family

ID=23013565

Family Applications (1)

Application Number Title Priority Date Filing Date
IT50906/73A IT985720B (it) 1972-06-26 1973-06-19 Apparecchio e procedimento per esaminare lenti oftalmiche dopo il trattamento delle loro super fici

Country Status (11)

Country Link
US (1) US3746450A (it)
AU (1) AU5615473A (it)
CA (1) CA987095A (it)
CH (1) CH560388A5 (it)
DE (1) DE2326254A1 (it)
ES (1) ES415145A1 (it)
FR (1) FR2237191A1 (it)
IL (1) IL42245A0 (it)
IT (1) IT985720B (it)
NL (1) NL7308471A (it)
ZA (1) ZA733120B (it)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3802761A (en) * 1972-12-07 1974-04-09 Us Navy Optical waveguide edge coupler using graded index profile
US3873209A (en) * 1973-12-10 1975-03-25 Bell Telephone Labor Inc Measurement of thin films by optical waveguiding technique
DE2848590A1 (de) * 1978-11-09 1980-05-22 Leitz Ernst Gmbh Optische anordnung zur reflexionsmikroskopischen untersuchung biologischer gewebe und organoberflaechen
DE3724001A1 (de) * 1987-07-21 1989-02-02 Vieweg Annelie Verfahren zur identifizierung des werkstoffes von brillenglaesern
US4962746A (en) * 1988-11-23 1990-10-16 Ngk Spark Plug Co., Ltd. Mixing liquid ratio detector device
JPH02244106A (ja) * 1989-03-17 1990-09-28 Hitachi Ltd 薄膜光学定数の測定方法及びそれを用いて作製した光集積回路もしくは半導体素子
US6788399B2 (en) * 2001-11-30 2004-09-07 Bausch & Lomb Incorporated Ophthalmic article inspection system
CN108802182A (zh) * 2018-06-14 2018-11-13 国网宁夏电力有限公司电力科学研究院 基于掠射激励内表面波的发电机护环检测方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323410A (en) * 1963-10-04 1967-06-06 Waters Associates Inc Critical angle refractometer
US3533888A (en) * 1964-12-18 1970-10-13 Corning Glass Works Glass article and method of production
US3486808A (en) * 1966-03-14 1969-12-30 Bausch & Lomb Gradient refractive index optical lenses
US3586872A (en) * 1969-04-21 1971-06-22 Bell Telephone Labor Inc Apparatus including a thin film waveguide for nonlinear interaction of optical waves

Also Published As

Publication number Publication date
NL7308471A (it) 1973-12-28
CH560388A5 (it) 1975-03-27
AU5615473A (en) 1974-11-28
CA987095A (en) 1976-04-13
FR2237191A1 (it) 1975-02-07
IL42245A0 (en) 1973-07-30
ES415145A1 (es) 1976-02-16
DE2326254A1 (de) 1974-01-24
ZA733120B (en) 1974-04-24
US3746450A (en) 1973-07-17

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