JPS4912831A - - Google Patents

Info

Publication number
JPS4912831A
JPS4912831A JP2091372A JP2091372A JPS4912831A JP S4912831 A JPS4912831 A JP S4912831A JP 2091372 A JP2091372 A JP 2091372A JP 2091372 A JP2091372 A JP 2091372A JP S4912831 A JPS4912831 A JP S4912831A
Authority
JP
Grant status
Application
Patent type
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
Application number
JP2091372A
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

Links

Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
    • G02B6/00Light guides
    • G02B6/10Light guides of the optical waveguide type
    • G02B6/12Light guides of the optical waveguide type of the integrated circuit kind
    • G02B6/13Integrated optical circuits characterised by the manufacturing method
    • G02B6/134Integrated optical circuits characterised by the manufacturing method by substitution by dopant atoms
    • G02B6/1345Integrated optical circuits characterised by the manufacturing method by substitution by dopant atoms using ion exchange
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C21/00Treatment of glass, not in the form of fibres or filaments, by diffusing ions or metals in the surface
JP2091372A 1972-02-28 1972-02-28 Pending JPS4912831A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2091372A JPS4912831A (en) 1972-02-28 1972-02-28

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
JP2091372A JPS4912831A (en) 1972-02-28 1972-02-28
NL7302381A NL7302381A (en) 1972-02-28 1973-02-21
FR7306760A FR2174059B1 (en) 1972-02-28 1973-02-26
DE19732309788 DE2309788B2 (en) 1972-02-28 1973-02-27 A method for manufacturing light guides with rectangular cross-section
GB980373A GB1384495A (en) 1972-02-28 1973-02-28 Method for manufacturing a light guide

Publications (1)

Publication Number Publication Date
JPS4912831A true true JPS4912831A (en) 1974-02-04

Family

ID=12040449

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2091372A Pending JPS4912831A (en) 1972-02-28 1972-02-28

Country Status (5)

Country Link
JP (1) JPS4912831A (en)
DE (1) DE2309788B2 (en)
FR (1) FR2174059B1 (en)
GB (1) GB1384495A (en)
NL (1) NL7302381A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517939A (en) * 1974-07-09 1976-01-22 Minolta Camera Kk
JPS55130440A (en) * 1979-03-31 1980-10-09 Takamisawa Saibaneteitsukusu:Kk Method of defective feeding of sheet
JPS5759649U (en) * 1980-09-27 1982-04-08

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3525661C2 (en) * 1985-07-18 1992-10-15 Schott Glaswerke, 6500 Mainz, De
NL1005418C2 (en) 1997-03-03 1998-09-07 Kema Nv A process for treating a base material for obtaining specific properties.

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4861157A (en) * 1971-12-01 1973-08-27

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1191980B (en) * 1963-10-04 1965-04-29 Siemens Reiniger Werke Ag Refractive optical element
GB1218403A (en) * 1967-04-27 1971-01-06 Glaverbel Process and apparatus for use in modifying glass and other materials
DE2039239B2 (en) * 1970-08-07 1971-12-30 Jenaer Glaswerk Schott & Gen Light conducting glass element with a zone of higher-break the glass of an adjacent low-refractive-index glass zone and a gradient by ion diffusion resulting transition rectify continuous refractive index and process for its preparation

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4861157A (en) * 1971-12-01 1973-08-27

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS517939A (en) * 1974-07-09 1976-01-22 Minolta Camera Kk
JPS5720220B2 (en) * 1974-07-09 1982-04-27
JPS55130440A (en) * 1979-03-31 1980-10-09 Takamisawa Saibaneteitsukusu:Kk Method of defective feeding of sheet
JPS6359933B2 (en) * 1979-03-31 1988-11-22
JPS5759649U (en) * 1980-09-27 1982-04-08

Also Published As

Publication number Publication date Type
GB1384495A (en) 1975-02-19 application
FR2174059B1 (en) 1976-09-10 grant
FR2174059A1 (en) 1973-10-12 application
DE2309788B2 (en) 1977-04-07 application
NL7302381A (en) 1973-08-30 application
DE2309788A1 (en) 1973-09-20 application

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