GLASS CAPABLE OF BEING MACHINED BY LASER
A glass capable of being machined by means of a laser through the ablation or evaporation by the laser beam energy absorbed, characterized in that it has a composition satisfying the following requirements: 60 <= SIO2 + B2O3 <= 79 mol %, 5 <= AL2O3 + TiO2 <= 20 mol % and 5 <= LI2O + N...
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| Main Authors | , |
|---|---|
| Format | Patent |
| Language | English French Japanese |
| Published |
29.01.2004
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| Edition | 7 |
| Subjects | |
| Online Access | Get full text |
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| Abstract | A glass capable of being machined by means of a laser through the ablation or evaporation by the laser beam energy absorbed, characterized in that it has a composition satisfying the following requirements: 60 <= SIO2 + B2O3 <= 79 mol %, 5 <= AL2O3 + TiO2 <= 20 mol % and 5 <= LI2O + Na2O + K2O + Rb2O + Cs2O + MgO + CaO + SrO + BaO <= 20 mol %, with the proviso that 5 <= TIO2 <= 20 mol %. The glass capable of being machined by a laser exhibits a lowered threshold value for laser machining and also a reduced thermal expansion coefficient.
L'invention concerne un verre pouvant être usiné au moyen d'un laser, par ablation ou évaporation produite par l'énergie absorbée du faisceau laser, et qui est caractérisé en ce qu'il répond aux conditions suivantes : 60 </= SIO2 + B2O3 </= 79 % molaire, 5 </= AL2O3 + TiO2 </= 20 % molaire et 5 </= LI2O + Na2O + K2O + Rb2O + Cs2O + MgO + CaO + SrO + BaO </= 20 % molaire, à condition que 5 </= TiO2 </= 20 % molaire. Ce verre pouvant être usiné par laser présente une valeur de seuil réduite d'usinage laser, ainsi qu'un coefficient d'expansion thermique réduit. |
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| AbstractList | A glass capable of being machined by means of a laser through the ablation or evaporation by the laser beam energy absorbed, characterized in that it has a composition satisfying the following requirements: 60 <= SIO2 + B2O3 <= 79 mol %, 5 <= AL2O3 + TiO2 <= 20 mol % and 5 <= LI2O + Na2O + K2O + Rb2O + Cs2O + MgO + CaO + SrO + BaO <= 20 mol %, with the proviso that 5 <= TIO2 <= 20 mol %. The glass capable of being machined by a laser exhibits a lowered threshold value for laser machining and also a reduced thermal expansion coefficient.
L'invention concerne un verre pouvant être usiné au moyen d'un laser, par ablation ou évaporation produite par l'énergie absorbée du faisceau laser, et qui est caractérisé en ce qu'il répond aux conditions suivantes : 60 </= SIO2 + B2O3 </= 79 % molaire, 5 </= AL2O3 + TiO2 </= 20 % molaire et 5 </= LI2O + Na2O + K2O + Rb2O + Cs2O + MgO + CaO + SrO + BaO </= 20 % molaire, à condition que 5 </= TiO2 </= 20 % molaire. Ce verre pouvant être usiné par laser présente une valeur de seuil réduite d'usinage laser, ainsi qu'un coefficient d'expansion thermique réduit. |
| Author | TSUNETOMO, KEIJI KOYO, HIROTAKA |
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| Discipline | Medicine Chemistry Sciences |
| DocumentTitleAlternate | VERRE POUVANT ÊTRE USINÉ PAR LASER |
| Edition | 7 |
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| Notes | Application Number: WO2003JP09227 |
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| RelatedCompanies | NIPPON SHEET GLASS COMPANY, LIMITED TSUNETOMO, KEIJI KOYO, HIROTAKA |
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| Snippet | A glass capable of being machined by means of a laser through the ablation or evaporation by the laser beam energy absorbed, characterized in that it has a... |
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| SubjectTerms | 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 |
| Title | GLASS CAPABLE OF BEING MACHINED BY LASER |
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