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.)
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.)
Hitachi Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Hitachi Ltd
Nippon Telegraph and Telephone Corp
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 Hitachi Ltd, Nippon Telegraph and Telephone CorpfiledCriticalHitachi Ltd
Priority to JP2371279ApriorityCriticalpatent/JPS55117270A/ja
Publication of JPS55117270ApublicationCriticalpatent/JPS55117270A/ja
Publication of JPS6343899B2publicationCriticalpatent/JPS6343899B2/ja
H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
H10B—ELECTRONIC MEMORY DEVICES
H10B69/00—Erasable-and-programmable ROM [EPROM] devices not provided for in groups H10B41/00 - H10B63/00, e.g. ultraviolet erasable-and-programmable ROM [UVEPROM] devices
Landscapes
Semiconductor Memories
(AREA)
JP2371279A1979-03-011979-03-01Junction breakdown type field programmable cell array semiconductor device
GrantedJPS55117270A
(en)