CH486119A - Process for coating the inner wall of the bulb of an incandescent lamp provided with a tungsten filament with a gettering layer - Google Patents

Process for coating the inner wall of the bulb of an incandescent lamp provided with a tungsten filament with a gettering layer

Info

Publication number
CH486119A
CH486119A CH1300868A CH1300868A CH486119A CH 486119 A CH486119 A CH 486119A CH 1300868 A CH1300868 A CH 1300868A CH 1300868 A CH1300868 A CH 1300868A CH 486119 A CH486119 A CH 486119A
Authority
CH
Switzerland
Prior art keywords
bulb
coating
wall
incandescent lamp
tungsten filament
Prior art date
Application number
CH1300868A
Other languages
German (de)
Inventor
Hendrik Beuvens Herman Joseph
Jacob Schuitemaker Jan
Original Assignee
Philips Nv
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 Philips Nv filed Critical Philips Nv
Publication of CH486119A publication Critical patent/CH486119A/en

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J7/00—Details not provided for in the preceding groups and common to two or more basic types of discharge tubes or lamps
    • H01J7/14—Means for obtaining or maintaining the desired pressure within the vessel
    • H01J7/18—Means for absorbing or adsorbing gas, e.g. by gettering
    • H01J7/183—Composition or manufacture of getters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K1/00—Details
    • H01K1/52—Means for obtaining or maintaining the desired pressure within the vessel
    • H01K1/54—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering
    • H01K1/56—Means for absorbing or absorbing gas, or for preventing or removing efflorescence, e.g. by gettering characterised by the material of the getter

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Discharge Lamp (AREA)
CH1300868A 1967-09-02 1968-08-30 Process for coating the inner wall of the bulb of an incandescent lamp provided with a tungsten filament with a gettering layer CH486119A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL6712083A NL6712083A (en) 1967-09-02 1967-09-02

Publications (1)

Publication Number Publication Date
CH486119A true CH486119A (en) 1970-02-15

Family

ID=19801100

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1300868A CH486119A (en) 1967-09-02 1968-08-30 Process for coating the inner wall of the bulb of an incandescent lamp provided with a tungsten filament with a gettering layer

Country Status (7)

Country Link
AT (1) AT284959B (en)
BE (1) BE720328A (en)
CH (1) CH486119A (en)
ES (1) ES357740A1 (en)
GB (1) GB1182883A (en)
NL (1) NL6712083A (en)
SE (1) SE330573B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1173866B (en) * 1984-03-16 1987-06-24 Getters Spa PERFECT METHOD FOR MANUFACTURING NON-VARIABLE PORTABLE GETTER DEVICES AND GETTER DEVICES SO PRODUCED
GB2245415A (en) * 1990-06-22 1992-01-02 Philips Electronic Associated Infrared detector with a getter

Also Published As

Publication number Publication date
GB1182883A (en) 1970-03-04
AT284959B (en) 1970-10-12
BE720328A (en) 1969-03-03
NL6712083A (en) 1969-03-04
ES357740A1 (en) 1970-03-16
SE330573B (en) 1970-11-23

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Legal Events

Date Code Title Description
PL Patent ceased