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Glass-ceramic joining material and use thereof
US8999869B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-8999869-B2 |
| Application number | US-201313867223-A |
| Country | US |
| Kind code | B2 |
| Filing date | Apr 22, 2013 |
| Priority date | May 4, 2012 |
| Publication date | Apr 7, 2015 |
| Grant date | Apr 7, 2015 |
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Abstract
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The glass-ceramic joining material, which is suitable for bonding or joining at low processing temperatures, especially less than 800° C., is composed of a BaO—SiO 2 —CaO—B 2 O 3 —Al 2 O 3 system and has a coefficient of thermal expansion α (20-300) ≧9.5·10 −6 K −1 .
First claim
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I claim: 1. An article comprising a bond between at least two metal components; wherein said bond comprises a glass-ceramic joining material and said metal components are joined by said joining material; wherein said glass-ceramic joining material has a coefficient of thermal expansion α (20-300) ≧9.5·10 −6 K −1 ; and wherein said glass-ceramic joining material, apart from at most impurities, is free of ZnO and free of PbO, and comprises, in mol % based on oxide content:…
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Frequently asked questions
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- What does patent US8999869B2 cover?
- The glass-ceramic joining material, which is suitable for bonding or joining at low processing temperatures, especially less than 800° C., is composed of a BaO—SiO 2 —CaO—B 2 O 3 —Al 2 O 3 system and has a coefficient of thermal expansion α (20-300) ≧9.5·10 −6 K −1 .
- Who is the assignee on this patent?
- Schott Ag
- What technology area does this patent fall under?
- Primary CPC classification G03C8/24. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Tue Apr 07 2015 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).