US4683202A

GPTKB entity

Statements (16)
Predicate Object
gptkbp:instanceOf gptkb:US_patent
gptkbp:allows A method of producing a semiconductor device with improved reliability by forming an insulating film and a conductive film in a specific sequence.
gptkbp:application US06/744,370
gptkbp:assignee gptkb:Hitachi_Ltd
gptkbp:country gptkb:United_States
gptkbp:cpcClassification H01L21/00
gptkbp:fieldOfInvention semiconductor device manufacturing
gptkbp:filingDate 1985-06-10
https://www.w3.org/2000/01/rdf-schema#label US4683202A
gptkbp:inventedBy gptkb:Masahiro_Asano
gptkbp:priorityDate 1984-06-11
gptkbp:publicationDate 1987-07-28
gptkbp:status expired
gptkbp:title Method of producing a semiconductor device
gptkbp:bfsParent gptkb:polymerase_chain_reaction
gptkbp:bfsLayer 5