(19)
(11) EP 0 328 065 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
17.04.1991 Bulletin 1991/16

(43) Date of publication A2:
16.08.1989 Bulletin 1989/33

(21) Application number: 89102142.0

(22) Date of filing: 08.02.1989
(51) International Patent Classification (IPC)4: H01K 1/56
(84) Designated Contracting States:
BE DE FR GB NL

(30) Priority: 09.02.1988 US 153863

(71) Applicant: GTE PRODUCTS CORPORATION
Wilmington Delaware 19801 (US)

(72) Inventor:
  • Shaffer, John W..
    Montoursville, PA 17754 (US)

(74) Representative: Hague, Alison Jane et al
Frank B. Dehn & Co. Imperial House 15-19 Kingsway
London WC2B 6UZ
London WC2B 6UZ (GB)


(56) References cited: : 
   
       


    (54) Improved getter for incandescent lamps


    (57) This invention relates to incandescent lamps and more particularly to the gettering of such lamps. In accordance with the present invention there is provided an improved method of gettering an incandescent lamp. The method comprises introducing a fill gas and a getter compound comprising a silane compound, or a partially halogenated derivative thereof, into an unsealed lamp envelope; sealing the lamp envelope; and heating the sealed envelope, for a sufficient period of time, and at a temperature sufficient to activate the getter to perform its desired gettering function prior to the thermal decomposition thereof.







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