{
  "$type": "site.standard.document",
  "description": "A glass having a SiO2-Al2O3-B2O3-RO (RO is at least one of MgO, CaO, BaO, SrO and ZnO) based composition, a temperature corresponding to 10 poise being 1570 DEG C or higher and an alkali content of 0.01 to 0.2% and a ZrO2 content of 0.01 to 0.3%, as expressed in % by mass. And, a glass having a…",
  "path": "/patents/1072695",
  "publishedAt": "2005-11-09T00:00:00.000Z",
  "site": "at://did:plc:oql6ds5vnff4ugar6rruliwd/site.standard.publication/3mn3ohu7oxx5w",
  "tags": [
    "B60R16/005",
    "NIPPON ELECTRIC GLASS CO [JP]"
  ],
  "textContent": "A glass having a SiO2-Al2O3-B2O3-RO (RO is at least one of MgO, CaO, BaO, SrO and ZnO) based composition, a temperature corresponding to 10 poise being 1570 DEG C or higher and an alkali content of 0.01 to 0.2% and a ZrO2 content of 0.01 to 0.3%, as expressed in % by mass. And, a glass having a SiO2-Al2O3-B2O3-RO (RO is at least one of MgO, CaO, BaO, SrO and ZnO) based composition, a density of 2.5 g/cm or less, an average thermal expansion coefficient of 25 to 36x10/ DEG C in a temperature range of 30 to 380 DEG C, a strain point of 640 DEG C or higher and an alkali content of 0.01 to 0.2% and a ZrO2 content of not less than 0.01% and less than 0.4%, as expressed in % by mass.",
  "title": "Glass for display substrate"
}