GLASS CERAMIC HAVING SPECIFIC THERMAL EXPANSION CHARACTERISTICS

The present invention relates to glass ceramics with improved thermal expansion properties and uses thereof in precision parts. In one aspect of the present invention, provided is a LAS glass ceramic which has an average coefficient of thermal expansion CTE of 0 ± 0.1 × 10^(-6)/K or less in the rang...

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Bibliographische Detailangaben
1. Verfasser:	MITRA INA
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	CHEMICAL COMPOSITION OF GLASSES, GLAZES, OR VITREOUSENAMELS CHEMISTRY GLASS JOINING GLASS TO GLASS OR OTHER MATERIALS METALLURGY MINERAL OR SLAG WOOL SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS,MINERALS OR SLAGS SURFACE TREATMENT OF GLASS
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Beschreibung
Zusammenfassung:	The present invention relates to glass ceramics with improved thermal expansion properties and uses thereof in precision parts. In one aspect of the present invention, provided is a LAS glass ceramic which has an average coefficient of thermal expansion CTE of 0 ± 0.1 × 10^(-6)/K or less in the range of 0 to 50℃ and has thermal hysteresis of < 0.1 ppm within a temperature range of at least 10 to 35℃. 본 발명은 열 팽창 특성이 개선된 유리 세라믹 및 정밀 부품에서의 이의 용도에 관한 것이다.