Compositions: ceramic – Ceramic compositions – Glass compositions – compositions containing glass other than...
Patent
1998-06-16
2000-12-05
Marcheschi, Michael
Compositions: ceramic
Ceramic compositions
Glass compositions, compositions containing glass other than...
501 46, 501 47, 501 48, 501 13, 501901, 359483, C03C 316, C03C 317, C03C 319, C03C 321, C03C 400
Patent
active
061566845
ABSTRACT:
In a light polarization control element using a stress-optical coefficient glass, the stress-optical coefficient glass is substantially composed of a phosphorous acid glass containing 20 to 60 percent by weight of P.sub.2 O.sub.5 and 40 to 73 percent by weight of BaO and PbO.
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Tashiro, Megumi, "The Effects of the Polarisation of the Constituent Ions on the Photoelastic Birefringence of the Glass," Journal of the Society of Glass Technology, pp. 352-362. No Date.
Sato Kouichi
Tachiwana Kazuo
Hoya Corporation
Marcheschi Michael
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