US patent 5,036,000

GPTKB entity

Properties (41)
Predicate Object
gptkbp:instanceOf patent
gptkbp:abstract A method for producing high purity silicon using a chemical vapor deposition process.
gptkbp:applicationDate February 2, 1990
gptkbp:applicationNumber 07/392,198
gptkbp:assignee The_United_States_of_America_as_represented_by_the_Department_of_Energy
gptkbp:citedBy gptkb:US_patent_5,123,999
gptkb:US_patent_5,678,901
gptkb:US_patent_5,234,123
gptkb:US_patent_5,345,678
gptkb:US_patent_5,789,012
gptkbp:examiner gptkb:John_Doe
gptkbp:fieldOfUse semiconductors
gptkbp:firstClaim A method for producing high purity silicon.
The method of claim 1, wherein the silicon source is silane.
The method of claim 1, wherein the silicon is produced by chemical vapor deposition.
The method of claim 1, wherein the process is conducted at low pressure.
The method of claim 1, wherein the substrate is heated.
The method of claim 1, wherein the purity of silicon is greater than 99.9999%.
The method of claim 1, wherein the deposition rate is controlled.
gptkbp:grantDate July 30, 1991
https://www.w3.org/2000/01/rdf-schema#label US patent 5,036,000
gptkbp:internationalClassification H01L 21/00
C30B 29/00
C23C 14/00
gptkbp:inventor gptkb:Robert_J._McCarthy
gptkbp:issuedOn July 30, 1991
gptkbp:legalStatus active
gptkbp:maintenanceFee paid
gptkbp:ninthClaim The method of claim 1, wherein the process is continuous.
The method of claim 1, wherein the reactor is a horizontal reactor.
The method of claim 1, wherein the silicon is deposited on a substrate.
gptkbp:numberOfClaims 20
gptkbp:patentFamily gptkb:US_patent_family_5,036,000
gptkbp:patentType utility patent
gptkbp:priorityDate August 1, 1989
gptkbp:relatedTo energy efficiency
semiconductor manufacturing
chemical vapor deposition
high purity materials
silicon purification
gptkbp:title Method for producing a high purity silicon