US patent 5,034,000

GPTKB entity

Properties (31)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing high purity silicon using a chemical vapor deposition process.
gptkbp:applicationNumber 07/407,052
gptkbp:applicationType utility
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_Energy
gptkbp:citedBy gptkb:US_patent_5,456,789
gptkb:US_patent_5,123,999
gptkb:US_patent_5,567,890
gptkb:US_patent_5,234,567
gptkb:US_patent_5,345,678
gptkbp:classification H01L 21/00
C01B 33/38
C23C 14/00
gptkbp:country gptkb:United_States
gptkbp:expirationDate July 23, 2008
gptkbp:fieldOfUse semiconductors
https://www.w3.org/2000/01/rdf-schema#label US patent 5,034,000
gptkbp:inventor gptkb:Robert_J._McCarthy
gptkbp:issuedOn July 23, 1991
gptkbp:legalStatus active
gptkbp:patentFamily gptkb:US_patent_family_5,234,567
gptkb:US_patent_family_5,034,000
gptkb:US_patent_family_5,123,999
gptkb:US_patent_family_5,456,789
gptkb:US_patent_family_5,567,890
gptkb:US_patent_family_5,345,678
gptkbp:priorityDate March 30, 1989
gptkbp:relatedTo chemical vapor deposition
high purity materials
silicon purification
gptkbp:title Method for producing a high purity silicon