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
GB1957039A
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.)
VACUUM SCIENCE PRODUCTS Ltd
Original Assignee
VACUUM SCIENCE PRODUCTS 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 VACUUM SCIENCE PRODUCTS LtdfiledCriticalVACUUM SCIENCE PRODUCTS Ltd
Priority to GB1957039ApriorityCriticalpatent/GB531558A/en
Publication of GB531558ApublicationCriticalpatent/GB531558A/en
531,558. Electron multipliers. BOSCH, J. G. VAN DEN. July 5, 1939, No. 19570. [Class 39 (i)] In multipliers wherein the collector or output anode 20 is arranged between secondary emitting electrodes 16, 19 the anode is in the form of a perforated plate whose apertures 22 are in line with those in the pre-electrode 16. The secondary emitting electrodes 16 are of the form described in Specification 516,621 and all but the first have an associated grid 18 as described in Specification 531,541.
GB1957039A1939-07-051939-07-05Improvements in electron multipliers
ExpiredGB531558A
(en)