DE1571296A1 - Metal-ceramic fusion and process for their manufacture - Google Patents

Metal-ceramic fusion and process for their manufacture

Info

Publication number
DE1571296A1
DE1571296A1 DE19661571296 DE1571296A DE1571296A1 DE 1571296 A1 DE1571296 A1 DE 1571296A1 DE 19661571296 DE19661571296 DE 19661571296 DE 1571296 A DE1571296 A DE 1571296A DE 1571296 A1 DE1571296 A1 DE 1571296A1
Authority
DE
Germany
Prior art keywords
arrangement
metallic
metallic closure
alumina
heated
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.)
Pending
Application number
DE19661571296
Other languages
German (de)
Inventor
Clarke Maurice George
Near Rugby
Moore James William
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Publication of DE1571296A1 publication Critical patent/DE1571296A1/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/24—Manufacture or joining of vessels, leading-in conductors or bases
    • H01J9/26—Sealing together parts of vessels
    • H01J9/265—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps
    • H01J9/266—Sealing together parts of vessels specially adapted for gas-discharge tubes or lamps specially adapted for gas-discharge lamps
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/64—Burning or sintering processes
    • C04B35/645—Pressure sintering
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
    • C04B35/653—Processes involving a melting step
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B37/00—Joining burned ceramic articles with other burned ceramic articles or other articles by heating
    • C04B37/02—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles
    • C04B37/021—Joining burned ceramic articles with other burned ceramic articles or other articles by heating with metallic articles in a direct manner, e.g. direct copper bonding [DCB]
    • 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
    • H01J5/02—Vessels; Containers; Shields associated therewith; Vacuum locks
    • H01J5/04—Vessels or containers characterised by the material thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/36—Seals between parts of vessels; Seals for leading-in conductors; Leading-in conductors
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/656—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes characterised by specific heating conditions during heat treatment
    • C04B2235/6567—Treatment time
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2235/00—Aspects relating to ceramic starting mixtures or sintered ceramic products
    • C04B2235/65—Aspects relating to heat treatments of ceramic bodies such as green ceramics or pre-sintered ceramics, e.g. burning, sintering or melting processes
    • C04B2235/66—Specific sintering techniques, e.g. centrifugal sintering
    • C04B2235/666—Applying a current during sintering, e.g. plasma sintering [SPS], electrical resistance heating or pulse electric current sintering [PECS]
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/32—Ceramic
    • C04B2237/34—Oxidic
    • C04B2237/343—Alumina or aluminates
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/30—Composition of layers of ceramic laminates or of ceramic or metallic articles to be joined by heating, e.g. Si substrates
    • C04B2237/40—Metallic
    • C04B2237/403—Refractory metals
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2237/00—Aspects relating to ceramic laminates or to joining of ceramic articles with other articles by heating
    • C04B2237/50—Processing aspects relating to ceramic laminates or to the joining of ceramic articles with other articles by heating
    • C04B2237/76—Forming laminates or joined articles comprising at least one member in the form other than a sheet or disc, e.g. two tubes or a tube and a sheet or disc
    • C04B2237/765—Forming laminates or joined articles comprising at least one member in the form other than a sheet or disc, e.g. two tubes or a tube and a sheet or disc at least one member being a tube

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Discharge Lamp (AREA)
  • Ceramic Products (AREA)
  • Vessels And Coating Films For Discharge Lamps (AREA)

Description

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HSI1296HSI1296

Gemäss einem Ausführungsb ei spiel der Erfindung wird die Röhre aus einer rohrförmigen Hülle aus -dichter durcüais-ehei* nender Tonerdekeramik hergestellt und flache einfach© Abschluss scheiben aus Hiohium werden auf die folgend« Weise mit der Röhrenhülle verschmolzen.. Die Scheibe wird auf -das Ende der lo.hre aufgelegt und unter entspre-Ghen'&em Dam-eSc in .Stellung gehalt-en,. Die ganze Anordnung wird amf eiaae •von etwa 1-800-Ό .mit einer Gesciiwindigkeit und mit G-radienten erhitzt, dass die Zonerde diesea? Erhit Die Temperatur der Scheibe aus Niobium wird damn s-citeell ütoer den Schmelzpunkt der Tonerde '(205O0C) _angeho.ben0 wofeei ein wenig in die Oberfläche der Tonerde .einsinkt mjä. c Terbindung hergestellt wird.According to one embodiment of the invention, the tube is made from a tubular casing made of -dense durcüais -ehei * nender alumina ceramics, and flat, simple closing disks made of Hiohium are fused to the tube casing in the following manner Opened at the end of the lo.hre and held in .position under corre-Ghen '& em Dam-eSc. The whole arrangement is heated amf eiaae from about 1-800-Ό. At a rate and with gradients that the zone earth diesea? HEAT The temperature of the disc is made of niobium damn s-citeell ütoer the melting point of the alumina '(205O 0 C) 0 _angeho.ben wofeei .einsinkt a little in the surface of the alumina mjä. c The connection is established.

Diese stärkere Erhitzung wird nur für wenige SÄuaad/eaa . erhalten und dann wieder rückgängig gemacht<, so da©:B -di« Temperatür der Anordnung bei etwa 1800 .0 gleie!iblei%>®öa.d lisiert wird, um Spannungen zu beseitigen^ Die dann in entsprechender Weise abgekühlteThis stronger heating is only for a few SÄuaad / eaa. received and then undone <, so there ©: B -di « Temperature of the arrangement at around 1800 .0 same! Iblei%> ®öa.d is lized in order to eliminate tension ^ The then cooled in a corresponding manner

Bei anderen Ausführungsfornien können aus sere oder kappenförmige Terschlussstücke Tea^eiiäet werden, wi»e .sie &en verschiein,e;n, AusführungsfOrm-en vpaj Enatladungsröhreim. ©aatspreciaen Man kann auch rohrförmige Kappen %-eaiutzen ., um eine Lichtteogen-e-ntladungslampe äanach zu eTrakuiefen und mit G-a« W- fülleia-Andererseits kann auch eine Uetall- und/ode:r Iodideii»®;rge in die Eujhre ^eingeführt isweraen,, »Wienn die letzte j.n 4:3V Atmosphäre #ejs betreffe©d.en ©ases hergestelltN, embodiment-en vpaj Enatladungsröhreim; in other Ausführungsfornien wi 's .they & s verschiein, e can be eiiäet from sere or cap-shaped Terschlussstücke Tea ^. © aatspreciaen One can also tubular caps -eaiutzen% to a Lichtteogen-e-ntladungslampe to eTrakuiefen äanach and Ga "W-fülleia other hand, a Uetall- and / ode r Iodideii."®; rge in the Eujhre ^ introduced isweraen ,, »Wienn the last jn 4: 3V atmosphere #ejs concern © d.en © ases produced

Bei einer weiteren AHiSführuaa^sfprm wird die Inm-emfli.ie!h^ met aiii sehen AbS;chl:Uss;köf*peii« mit einer ,Sehut^seiaieiit; gie den Einwirkiiiafeaa ä.es Jietalle.f u-nwi/oder Me tall J ο &i te© imr ladungIn a further AHiSführeruaa ^ sfprm the inm-emfli.ie! H ^ met aiii see AbS; chl: Uss; köf * peii «with a, hat ^ seiaieiit; Pour the effects of the Jietalle.f u-nwi / or Me tall J ο & i te © imr charge

Die Erhitzung kann zu,S, «it Hilfe von unter Verwendung voaj flm^ffladÜBenflammen erfolgem? j#4öieh können auch andere Verfahren zut Erhitzung verwendetThe heating can be done with the help of voaj flm ^ fflad over flames? j # 4öieh, other methods used heating zut

Es ist auch möglich, andere hochschmelzende hitzebeständige Metalle oder Legierungen zu benutzen, vorausgesetzt, dass sie die entsprechenden Ausdehnungskoeffizienten aufweisen.It is also possible to use other high melting point heat resistant ones To use metals or alloys, provided that they have the appropriate expansion coefficients.

Claims (2)

' Patentansprüche ' Claims .. Verfahren zum Abdichten, der Hülle einer elektrischen Entladungslampe aus einem dichten lonerdekeramikmaterial mit einem metallischen Abschluss, dadurch g e k e η ze i c h η et, dass der metallische Verschluss an der gewünschten Stelle gegen die Röhrenhülle angedrückt wird, dass diese gesamte Anordnung allmählich auf 1800 G mit einem Temperaturgradienten erhitzt wird, bei dein die Tonerde nicht beschädigt wird, dass ä&e der metallische Versh luss dann rasch auf eine Temperatur oberhalb der Schmelzpunkte der Tonerde während einiger weniger Sekunden erhitzt und dabei in die -berfllche der Tonerde eingesenkt wird und dass die Temperatur ler Anordnung auf 18OvO0
langsam abgekühlt wird,.. Method for sealing the casing of an electric discharge lamp made of a dense ion earth ceramic material with a metallic closure, thereby geke η I show η et that the metallic closure is pressed at the desired point against the tube casing, that this entire arrangement gradually increases to 1800 G is heated with a temperature gradient in your the alumina is not damaged, that AE & E, the metallic Versh then ents rapidly to a temperature above the melting points of the clay during a few seconds, heated and is then lowered into the -berfllche of alumina and that the temperature ler Arrangement on 18OvO 0
is slowly cooled, der Anordnung auf 18000C gehalten und danach die Anordnungthe arrangement kept at 1800 0 C and then the arrangement 2. Entladungslampe mit einer Röhrenhülle aus einer dichten TonerSekeramik und einem metallischen Verschlusskörper, d ad u r c h g e ken η ζ e ic h η e t, dass der metallische Verschlusskör/er mit der R- lirenhülle ohne Benutzung von Bindematerial nach dem Verfahren des Anspruches 1 hergestellt wird.2. Discharge lamp with a tube envelope made of a dense TonerSekeramik and a metallic closure body, d ad urchge ken η ζ e ic h η et that the metallic closure body / he with the R- lirenhülle is produced according to the method of claim 1 without the use of binding material . BAD ORIGINALBATH ORIGINAL ÜÜ 9 833/1 49 6.:- ·, A :. . .ÜÜ 9 833/1 49 6.:- ·, A:. . .
DE19661571296 1965-02-12 1966-02-12 Metal-ceramic fusion and process for their manufacture Pending DE1571296A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB619865A GB1070135A (en) 1965-02-12 1965-02-12 Alumina ceramic gaseous envelope with fused seal

Publications (1)

Publication Number Publication Date
DE1571296A1 true DE1571296A1 (en) 1970-08-13

Family

ID=9810203

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19661571296 Pending DE1571296A1 (en) 1965-02-12 1966-02-12 Metal-ceramic fusion and process for their manufacture

Country Status (3)

Country Link
DE (1) DE1571296A1 (en)
GB (1) GB1070135A (en)
NL (1) NL6601872A (en)

Also Published As

Publication number Publication date
GB1070135A (en) 1967-05-24
NL6601872A (en) 1966-08-15

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