Statements (18)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
glass-ceramic material
|
| gptkbp:color |
transparent to yellowish
|
| gptkbp:composition |
lithium aluminosilicate
|
| gptkbp:countryOfOrigin |
gptkb:Germany
|
| gptkbp:developedBy |
1960s
|
| https://www.w3.org/2000/01/rdf-schema#label |
ZERODUR glass-ceramic
|
| gptkbp:manufacturer |
gptkb:SCHOTT_AG
|
| gptkbp:notableFor |
gptkb:Keck_Observatory_mirrors
Very Large Telescope mirrors |
| gptkbp:property |
high chemical stability
high mechanical strength very low thermal expansion |
| gptkbp:usedFor |
precision optics
metrology equipment telescope mirrors |
| gptkbp:bfsParent |
gptkb:Schott_AG
gptkb:Schott |
| gptkbp:bfsLayer |
6
|