FR857723A - Procédé permettant de sceller dans le verre un objet en tungstène - Google Patents
Procédé permettant de sceller dans le verre un objet en tungstèneInfo
- Publication number
- FR857723A FR857723A FR857723DA FR857723A FR 857723 A FR857723 A FR 857723A FR 857723D A FR857723D A FR 857723DA FR 857723 A FR857723 A FR 857723A
- Authority
- FR
- France
- Prior art keywords
- sealing
- glass
- tungsten
- tungsten object
- 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
- C03C27/00—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing
- C03C27/02—Joining pieces of glass to pieces of other inorganic material; Joining glass to glass other than by fusing by fusing glass directly to metal
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J5/00—Details relating to vessels or to leading-in conductors common to two or more basic types of discharge tubes or lamps
- H01J5/20—Seals between parts of vessels
- H01J5/22—Vacuum-tight joints between parts of vessel
- H01J5/26—Vacuum-tight joints between parts of vessel between insulating and conductive parts of vessel
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
- H01J2893/00—Discharge tubes and lamps
- H01J2893/0033—Vacuum connection techniques applicable to discharge tubes and lamps
- H01J2893/0037—Solid sealing members other than lamp bases
- H01J2893/0041—Direct connection between insulating and metal elements, in particular via glass material
- H01J2893/0043—Glass-to-metal or quartz-to-metal, e.g. by soldering
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Glass Compositions (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL54839T | 1938-07-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR857723A true FR857723A (fr) | 1940-09-26 |
Family
ID=32844951
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR857723D Expired FR857723A (fr) | 1938-07-13 | 1939-07-12 | Procédé permettant de sceller dans le verre un objet en tungstène |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE435393A (xx) |
CH (1) | CH214493A (xx) |
DE (1) | DE1079288B (xx) |
FR (1) | FR857723A (xx) |
GB (1) | GB532451A (xx) |
NL (1) | NL54839C (xx) |
-
1938
- 1938-07-13 NL NL54839D patent/NL54839C/xx active
-
1939
- 1939-07-10 DE DEP2151D patent/DE1079288B/de active Pending
- 1939-07-10 GB GB2009939A patent/GB532451A/en not_active Expired
- 1939-07-11 BE BE435393D patent/BE435393A/xx unknown
- 1939-07-12 CH CH214493D patent/CH214493A/de unknown
- 1939-07-12 FR FR857723D patent/FR857723A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
BE435393A (xx) | 1939-08-31 |
GB532451A (en) | 1941-01-24 |
CH214493A (de) | 1941-04-30 |
DE1079288B (de) | 1960-04-07 |
NL54839C (xx) | 1943-02-15 |
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