DE537633C - Process for the production of a largely stable, easily processable lithium beryllium borate glass - Google Patents
Process for the production of a largely stable, easily processable lithium beryllium borate glassInfo
- Publication number
- DE537633C DE537633C DE1930537633D DE537633DD DE537633C DE 537633 C DE537633 C DE 537633C DE 1930537633 D DE1930537633 D DE 1930537633D DE 537633D D DE537633D D DE 537633DD DE 537633 C DE537633 C DE 537633C
- Authority
- DE
- Germany
- Prior art keywords
- borate glass
- production
- easily processable
- largely stable
- lithium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C3/00—Glass compositions
- C03C3/12—Silica-free oxide glass compositions
- C03C3/14—Silica-free oxide glass compositions containing boron
- C03C3/145—Silica-free oxide glass compositions containing boron containing aluminium or beryllium
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Measurement Of Radiation (AREA)
Description
Verfahren zur Herstellung eines weitgehendst beständigen, leicht verarbeitbaren Lithium-Beryllium-Borat-Glases Lithium-Beryllium-Borat-Glas wird bekanntlich als Fenster für Röntgenröhren benutzt, wenn es sich darum handelt, 'eine weiche Röntgenstrahlung (z. B. die für Strukturuntersuchungen häufig benutze Cu-K-Strahiung oder Fe-K-Strahlung) außerhalb der Röntgenröhre zu erhalten. Auch für die röntgenographische Aufnahme von luftempfindlichen Kristallmaterialien empfiehlt sich Lithium-Beryllium-Borat-Glas in Gestalt von Röhrchen oder Kapillaren, in denen das Kristallmaterial exponiert wird. Das gewöhnliche Lithium-Beryllium-Borat-Glas, wie es von verschiedenen Firmen hergestellt wird, weist nun zumeist mehrere Fehler auf: Es entglast (kristallisiert) bei der Verarbeitung leicht und kann infolgedessen nur schwierig zu Röhren oder Kapillaren verarbeitet werden.Process for the production of a largely stable, easy to process Lithium Beryllium Borate Glass is known as Lithium Beryllium Borate Glass Window for X-ray tubes used when it comes to 'a soft X-ray radiation (e.g. Cu-K radiation or Fe-K radiation, which is often used for structural investigations) outside of the x-ray tube. Also for radiographic imaging Lithium beryllium borate glass is recommended for air-sensitive crystal materials in the form of tubes or capillaries in which the crystal material is exposed will. The ordinary lithium beryllium borate glass, as used by various companies is produced, now usually has several defects: It devitrifies (crystallizes) easy to process and as a result can be difficult to tube or Capillaries are processed.
Es ist hygroskopisch und verändert sich daher unter dem EinfluB der Luftfeuchtigkeit bald. Aus diesem Grunde müssen die Fenster der Röntgenröhren mit einem guten Lack versehen werden. Letzterer erleidet aber wiederum unter dem Einfluß der Röntgenstrahlen eine Zersetzung, so daß der Lackanstrich zuweilen erneuert werden muß.It is hygroscopic and therefore changes under the influence Humidity soon. For this reason, the windows of the X-ray tubes must also be included be provided with a good paint. But the latter in turn suffers under the influence the X-rays cause a decomposition, so that the varnish is sometimes renewed got to.
Es ist nun durch systematische Untersuchung der verschiedensten Mischungsverhältnisse gelungen, zu einem Glase zu gelangen, bei dem die vorstehenden Fehler -soweit bisher Erfahrungen gesammelt werden konnten - nicht vorhanden sind. Das Mischungsverhältnis der Ausgangsmaterialien ist: etwa 4,3 Gewichtsteile Lithiumcarbonat, etwa 44 Gewichtsteile Berylliumcarbonat und etwa 18,5 Gewichtsteile Borsäure.It is now through systematic investigation of the most varied of mixing ratios succeeded in arriving at a glass in which the above errors - so far so far Experience could be gained - does not exist. The mixing ratio the starting materials are: about 4.3 parts by weight of lithium carbonate, about 44 parts by weight Beryllium carbonate and about 18.5 parts by weight boric acid.
Claims (1)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE537633T | 1930-07-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE537633C true DE537633C (en) | 1931-11-05 |
Family
ID=6557804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1930537633D Expired DE537633C (en) | 1930-07-02 | 1930-07-02 | Process for the production of a largely stable, easily processable lithium beryllium borate glass |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE537633C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1106800B (en) * | 1958-07-28 | 1961-05-18 | English Electric Valve Co Ltd | Charge storage disk of a television reception tube of the super orthicon type |
-
1930
- 1930-07-02 DE DE1930537633D patent/DE537633C/en not_active Expired
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1106800B (en) * | 1958-07-28 | 1961-05-18 | English Electric Valve Co Ltd | Charge storage disk of a television reception tube of the super orthicon type |
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