JPS57204001A - Non-fogging glass lens - Google Patents
Non-fogging glass lensInfo
- Publication number
- JPS57204001A JPS57204001A JP56089069A JP8906981A JPS57204001A JP S57204001 A JPS57204001 A JP S57204001A JP 56089069 A JP56089069 A JP 56089069A JP 8906981 A JP8906981 A JP 8906981A JP S57204001 A JPS57204001 A JP S57204001A
- Authority
- JP
- Japan
- Prior art keywords
- lens
- fogging
- glass
- acrylate
- inorg
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
- G02B1/18—Coatings for keeping optical surfaces clean, e.g. hydrophobic or photo-catalytic films
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/10—Optical coatings produced by application to, or surface treatment of, optical elements
-
- G—PHYSICS
- G02—OPTICS
- G02C—SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY HAVE THE SAME FEATURES AS SPECTACLES; CONTACT LENSES
- G02C7/00—Optical parts
- G02C7/02—Lenses; Lens systems ; Methods of designing lenses
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Ophthalmology & Optometry (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Health & Medical Sciences (AREA)
- Eyeglasses (AREA)
- Surface Treatment Of Optical Elements (AREA)
Abstract
PURPOSE:To prevent fogging of a lens consisting of inorg. glass when temp. changes abruptly by forming a hygroscopic resin layer of relatively large water absorptivity on one or both surfaces of said lens. CONSTITUTION:A hygroscopic resin of relatively large water absorptivity is laminated on the surface of a lens consisting of inorg. glass by a casting, dipping or spraying method, whereby an intended non-fogging glass lens is obtained. The moisture condensed on the lens surfaces when temp. changes abruptly is absorbed into the resin by this, whereby the fogging of the lens is prevented. The layer obtd. by curing a UV curing resin compsn. constituted of polyhydric alcohol (meth)acrylate (e.g.; triethylene glycol diacrylate) and epoxy acrylate or tetrahydrofurfuryl acrylate is suitable as the hygroscopic resin layer.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56089069A JPS57204001A (en) | 1981-06-10 | 1981-06-10 | Non-fogging glass lens |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56089069A JPS57204001A (en) | 1981-06-10 | 1981-06-10 | Non-fogging glass lens |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS57204001A true JPS57204001A (en) | 1982-12-14 |
Family
ID=13960559
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP56089069A Pending JPS57204001A (en) | 1981-06-10 | 1981-06-10 | Non-fogging glass lens |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57204001A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62179701U (en) * | 1986-05-07 | 1987-11-14 |
-
1981
- 1981-06-10 JP JP56089069A patent/JPS57204001A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS62179701U (en) * | 1986-05-07 | 1987-11-14 |
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