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
GB12504/36A
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.)
British Thomson Houston Co Ltd
Original Assignee
British Thomson Houston Co 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 British Thomson Houston Co LtdfiledCriticalBritish Thomson Houston Co Ltd
Publication of GB472064ApublicationCriticalpatent/GB472064A/en
H01J40/00—Photoelectric discharge tubes not involving the ionisation of a gas
H01J40/02—Details
H01J40/04—Electrodes
H01J40/06—Photo-emissive cathodes
Landscapes
Non-Insulated Conductors
(AREA)
Abstract
472,064. Photo-electric cells. BRITISH THOMSON-HOUSTON CO., Ltd. May 2, 1936, No. 12504. Convention date, May 3, 1935. Drawing to Specification. [Class 39 (i)] Electrical connection with the transparent cathode film is effected through a metal layer, preferably of silver, which is in the form of a ring surrounding a portion of the cathode and is in direct contact with the leading-in wire.
GB12504/36A1935-05-031936-05-02Improvements in and relating to photo-cathodes for photo-cells
ExpiredGB472064A
(en)