| 发明名称 |
Alumino Earth-Alkali Silicate Glasses with High Thermal Capacity for Light Bulbs and Use Thereof |
| 摘要 |
An alumino earth-alkali silicate glass for lamp bulbs of tungsten halogen incandescent lamps has the following glass composition (% by weight) that reduces discoloration during operation of the lamp bulb: <tables id="TABLE-US-00001" num="1"> <table frame="none" colsep="0" rowsep="0"> <tgroup align="left" colsep="0" rowsep="0" cols="3"> <colspec colname="OFFSET" colwidth="42PT" align="left"/> <colspec colname="1" colwidth="35PT" align="left"/> <colspec colname="2" colwidth="140PT" align="center"/> <THEAD> <ROW> <ENTRY/> <ENTRY/> </ROW> <ROW> <ENTRY/> <entry namest="OFFSET" nameend="2" align="center" rowsep="1"/> </ROW> </THEAD> <TBODY VALIGN="TOP"> <ROW> <ENTRY/> <ENTRY>SiO<SUB>2</SUB></ENTRY> <ENTRY>55.0-62.5 </ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>Al<SUB>2</SUB>O<SUB>3</SUB></ENTRY> <ENTRY>14.5-18.5 </ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>B<SUB>2</SUB>O<SUB>3</SUB></ENTRY> <ENTRY>0.8-4.0 </ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>BaO</ENTRY> <ENTRY>7.5-17.0 </ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>CaO</ENTRY> <ENTRY>6.5-13.5 </ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>MgO</ENTRY> <ENTRY>1.0-5.5 </ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>SrO</ENTRY> <ENTRY>0-2.0</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>ZrO<SUB>2</SUB></ENTRY> <ENTRY>0-1.5</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>TiO<SUB>2</SUB></ENTRY> <ENTRY>0-1.0</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>ZnO</ENTRY> <ENTRY>0-0.5</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>CeO<SUB>2</SUB></ENTRY> <ENTRY>0-0.3</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>R<SUB>2</SUB>O</ENTRY> <ENTRY><0.03</ENTRY> </ROW> <ROW> <ENTRY/> <ENTRY>H<SUB>2</SUB>O</ENTRY> <ENTRY>0.025-0.042 </ENTRY> </ROW> <ROW> <ENTRY/> <entry namest="OFFSET" nameend="2" align="center" rowsep="1"/> </ROW> </TBODY> </TGROUP> </TABLE> </TABLES>
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| 申请公布号 |
US2005099128(A1) |
申请公布日期 |
2005.05.12 |
| 申请号 |
US20040905345 |
申请日期 |
2004.12.29 |
| 申请人 |
TELUX LAMPENROHR GMBH |
发明人 |
BERGMANN HANNELORE;BERGMANN HANS-JURGEN |
| 分类号 |
C03C3/087;C03C3/091;C03C4/00;H01J61/30;H01K1/28;(IPC1-7):H01J17/16 |
主分类号 |
C03C3/087 |
| 代理机构 |
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| 地址 |
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