GB1004869A - Improvements in sodium-vapour discharge lamps - Google Patents

Improvements in sodium-vapour discharge lamps

Info

Publication number
GB1004869A
GB1004869A GB39449/61A GB3944961A GB1004869A GB 1004869 A GB1004869 A GB 1004869A GB 39449/61 A GB39449/61 A GB 39449/61A GB 3944961 A GB3944961 A GB 3944961A GB 1004869 A GB1004869 A GB 1004869A
Authority
GB
United Kingdom
Prior art keywords
layer
envelope
gold
discharge tube
sodium
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
Application number
GB39449/61A
Other languages
English (en)
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.)
Philips Electronics UK Ltd
Original Assignee
Philips Electronic and Associated 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 Philips Electronic and Associated Industries Ltd filed Critical Philips Electronic and Associated Industries Ltd
Publication of GB1004869A publication Critical patent/GB1004869A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J61/00—Gas-discharge or vapour-discharge lamps
    • H01J61/02—Details
    • H01J61/30—Vessels; Containers
    • H01J61/35—Vessels; Containers provided with coatings on the walls thereof; Selection of materials for the coatings

Landscapes

  • Vessels And Coating Films For Discharge Lamps (AREA)
GB39449/61A 1960-11-07 1961-11-03 Improvements in sodium-vapour discharge lamps Expired GB1004869A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEN19153A DE1147316B (de) 1960-11-07 1960-11-07 Natriumdampfentladungslampe

Publications (1)

Publication Number Publication Date
GB1004869A true GB1004869A (en) 1965-09-15

Family

ID=7340791

Family Applications (1)

Application Number Title Priority Date Filing Date
GB39449/61A Expired GB1004869A (en) 1960-11-07 1961-11-03 Improvements in sodium-vapour discharge lamps

Country Status (4)

Country Link
DE (1) DE1147316B (enrdf_load_stackoverflow)
GB (1) GB1004869A (enrdf_load_stackoverflow)
NL (1) NL270957A (enrdf_load_stackoverflow)
OA (1) OA00753A (enrdf_load_stackoverflow)

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE613900C (de) * 1933-06-27 1935-05-28 Patra Patent Treuhand Doppelwandige elektrische Leuchtroehre
DE1761684U (de) * 1956-02-03 1958-02-20 Philips Nv Elektrische entladungsroehre.

Also Published As

Publication number Publication date
NL270957A (enrdf_load_stackoverflow)
DE1147316B (de) 1963-04-18
OA00753A (fr) 1967-07-15

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