SG11202104358YA - Environmental scanning electron microscopy analysis for contact lens coating selection and manufacturing - Google Patents

Environmental scanning electron microscopy analysis for contact lens coating selection and manufacturing

Info

Publication number
SG11202104358YA
SG11202104358YA SG11202104358YA SG11202104358YA SG11202104358YA SG 11202104358Y A SG11202104358Y A SG 11202104358YA SG 11202104358Y A SG11202104358Y A SG 11202104358YA SG 11202104358Y A SG11202104358Y A SG 11202104358YA SG 11202104358Y A SG11202104358Y A SG 11202104358YA
Authority
SG
Singapore
Prior art keywords
manufacturing
scanning electron
contact lens
electron microscopy
microscopy analysis
Prior art date
Application number
SG11202104358YA
Inventor
Xinfeng Shi
James Yuliang Wu
David B Cantu-Crouch
Original Assignee
Alcon Inc
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 Alcon Inc filed Critical Alcon Inc
Publication of SG11202104358YA publication Critical patent/SG11202104358YA/en

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02CSPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
    • G02C7/00Optical parts
    • G02C7/02Lenses; Lens systems ; Methods of designing lenses
    • G02C7/04Contact lenses for the eyes
    • G02C7/049Contact lenses having special fitting or structural features achieved by special materials or material structures
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B1/00Optical elements characterised by the material of which they are made; Optical coatings for optical elements
    • G02B1/10Optical coatings produced by application to, or surface treatment of, optical elements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00009Production of simple or compound lenses
    • B29D11/00038Production of contact lenses
    • B29D11/00048Production of contact lenses composed of parts with dissimilar composition
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00865Applying coatings; tinting; colouring
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29DPRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D11/00Producing optical elements, e.g. lenses or prisms
    • B29D11/00951Measuring, controlling or regulating
    • B29D11/0098Inspecting lenses
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N23/00Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
    • G01N23/22Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material
    • G01N23/225Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion
    • G01N23/2251Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by measuring secondary emission from the material using electron or ion using incident electron beams, e.g. scanning electron microscopy [SEM]
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N2223/00Investigating materials by wave or particle radiation
    • G01N2223/60Specific applications or type of materials
    • G01N2223/61Specific applications or type of materials thin films, coatings
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01JELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J37/00Discharge tubes with provision for introducing objects or material to be exposed to the discharge, e.g. for the purpose of examination or processing thereof
    • H01J37/26Electron or ion microscopes; Electron or ion diffraction tubes
    • H01J37/28Electron or ion microscopes; Electron or ion diffraction tubes with scanning beams

Landscapes

  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ophthalmology & Optometry (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Optics & Photonics (AREA)
  • General Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Biochemistry (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Eyeglasses (AREA)
SG11202104358YA 2018-11-30 2019-11-26 Environmental scanning electron microscopy analysis for contact lens coating selection and manufacturing SG11202104358YA (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US201862773535P 2018-11-30 2018-11-30
PCT/IB2019/060197 WO2020110006A1 (en) 2018-11-30 2019-11-26 Environmental scanning electron microscopy analysis for contact lens coating selection and manufacturing

Publications (1)

Publication Number Publication Date
SG11202104358YA true SG11202104358YA (en) 2021-06-29

Family

ID=69024437

Family Applications (1)

Application Number Title Priority Date Filing Date
SG11202104358YA SG11202104358YA (en) 2018-11-30 2019-11-26 Environmental scanning electron microscopy analysis for contact lens coating selection and manufacturing

Country Status (4)

Country Link
US (1) US11520167B2 (en)
EP (1) EP3887875A1 (en)
SG (1) SG11202104358YA (en)
WO (1) WO2020110006A1 (en)

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW473488B (en) 1998-04-30 2002-01-21 Novartis Ag Composite materials, biomedical articles formed thereof and process for their manufacture
US20100303911A1 (en) * 2009-06-01 2010-12-02 Heather Sheardown Hydrogel systems
WO2011156589A2 (en) * 2010-06-09 2011-12-15 Semprus Biosciences Corp. Non-fouling, anti-microbial, anti-thrombogenic graft-from compositions
PL2461767T3 (en) 2010-07-30 2013-09-30 Novartis Ag Silicone hydrogel lenses with water-rich surfaces
JP2015508425A (en) * 2011-12-14 2015-03-19 センプラス・バイオサイエンシーズ・コーポレイションSemprus Biosciences Corp. Surface-modified contact lenses
EP2791215A4 (en) * 2011-12-14 2015-07-22 Semprus Biosciences Corp Imbibing process for contact lens surface modification
EP3516430B1 (en) * 2016-09-20 2021-02-17 Alcon Inc. Hydrogel contact lenses with lubricious coating thereon

Also Published As

Publication number Publication date
WO2020110006A1 (en) 2020-06-04
US20200174283A1 (en) 2020-06-04
US11520167B2 (en) 2022-12-06
EP3887875A1 (en) 2021-10-06

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