Environmentally-friendly heavy lanthanum flint optical glass

Environmentally-friendly heavy lanthanum flint optical glass

  • CN 104,736,490 A
  • Filed: 09/27/2013
  • Published: 06/24/2015
  • Est. Priority Date: 09/29/2012
  • Status: Active Application
First Claim
Patent Images

1. ClaimsI, environment friendly heavy-lanthanide flint optical glass, it is characterised in that its percentage by weight composition contains:

  • La203;

    30〜

    50%、

    Ti02 ;

    3〜

    15%、

    Nb205;

    5 12%, density is 4. 56g/cm3Hereinafter, refractive index is 1. 85 1. 95, and Abbe number is 25 35, and transition temperature is less than 670 °

    C.2nd, environment friendly heavy-lanthanide flint optical glass as claimed in claim 1, it is characterised in that its percentage by weight, which is constituted, is:

    Si02;

    2〜

    15%、

    B203;

    10〜

    25%、

    La203

    30〜

    50%、

    Zr02;

    2 —

    15%, Ti02;

    3〜

    15%、

    Nb205;

    5〜

    12%、

    SrO;

    More than 5% but less than 20%, BaO;

    4〜

    15%.3rd, environment friendly heavy-lanthanide flint optical glass as claimed in claim 2, it is characterised in that wherein:

    Si02

    2〜



    10% 、

    Zr02 ;

    4〜



    10%.4th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 2, it is characterised in that wherein:

    B203

    12〜

    20%、

    SrO :

    More than 5. 5% but less than 15%.5th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 2, it is characterised in that wherein:

    SrO :

    More than 5. 5% but less than 15%, BaO;

    6〜

    12%.6th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 1 or 2, it is characterised in that wherein:

    La203;

    32—

    40%, Ti02

    5〜

    12%、

    Nb205

    8〜

    12%.7th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 2, it is characterised in that wherein:

    Si02

    B203

    La203

    Zr02

    Nb205, SrO, BaO total amount is more than or equal to 85%.8th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 2, it is characterised in that wherein:

    Si02

    B203

    La203

    Zr02

    Nb205, SrO, BaO total amount is more than or equal to 88%.9th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 2, it is characterised in that wherein:

    Si02

    B203

    La203

    Zr02

    Nb205, SrO, BaO total amount is more than or equal to 90%.10th, environment friendly heavy-lanthanide flint optical glass, it is characterised in that its percentage by weight, which is constituted, is:

    Si02;

    2〜

    15%、

    B203;

    10〜

    25%、

    La203

    30〜

    50%、

    Zr02;

    2〜

    15%、

    Ti02 ;

    3〜

    15%、

    Nb205;

    5〜

    12%、

    SrO;

    More than 5% but less than 20%, BaO;

    4〜

    15%.I I, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    Si02

    2〜



    10% .12nd, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    Zr02;

    4〜



    10%.13rd, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    B203

    12〜

    20%、

    SrO :

    More than 5. 5% but less than 15%.14th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    SrO :

    More than 5. 5% but less than 15%, BaO;

    6〜

    12%.15th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    Ti02

    5〜

    12%.16th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    La203;

    32〜

    40%、

    Ti02

    5〜

    12%、

    Nb205

    8〜

    12%.17th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    Si02

    B203

    La203

    Zr02

    Nb205, SrO, BaO total amount is more than or equal to 85%.18th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    Si02

    B203

    La203

    Zr02

    Nb205, SrO, BaO total amount is more than or equal to 88%.19th, environment friendly heavy-lanthanide flint optical glass as claimed in claim 10, it is characterised in that wherein:

    Si02

    B203

    La203

    Zr02

    Nb205, SrO, BaO total amount is more than or equal to 90%.20th, the gas preform being made of the environment friendly heavy-lanthanide flint optical glass as described in any claim in claim 1 19.21st, the optical element being made of the environment friendly heavy-lanthanide flint optical glass as described in any claim of claim 1 19.22nd, the optical instrument being made of the environment friendly heavy-lanthanide flint optical glass as described in any claim of claim 1 19.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×