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1. WO2020142307 - METHODS FOR FORMING FILMS CONTAINING SILICON BORON WITH LOW LEAKAGE CURRENT

Publication Number WO/2020/142307
Publication Date 09.07.2020
International Application No. PCT/US2019/068270
International Filing Date 23.12.2019
IPC
H01L 21/02 2006.1
HELECTRICITY
01BASIC ELECTRIC ELEMENTS
LSEMICONDUCTOR DEVICES; ELECTRIC SOLID STATE DEVICES NOT OTHERWISE PROVIDED FOR
21Processes or apparatus specially adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
02Manufacture or treatment of semiconductor devices or of parts thereof
CPC
C23C 16/0209
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
16Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
02Pretreatment of the material to be coated
0209by heating
C23C 16/34
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
16Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
22characterised by the deposition of inorganic material, other than metallic material
30Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
34Nitrides
C23C 16/345
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
16Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
22characterised by the deposition of inorganic material, other than metallic material
30Deposition of compounds, mixtures or solid solutions, e.g. borides, carbides, nitrides
34Nitrides
345Silicon nitride
C23C 16/45512
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
16Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
44characterised by the method of coating
455characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
45512Premixing before introduction in the reaction chamber
C23C 16/45523
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
16Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
44characterised by the method of coating
455characterised by the method used for introducing gases into reaction chamber or for modifying gas flows in reaction chamber
45523Pulsed gas flow or change of composition over time
C23C 16/50
CCHEMISTRY; METALLURGY
23COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
CCOATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
16Chemical coating by decomposition of gaseous compounds, without leaving reaction products of surface material in the coating, i.e. chemical vapour deposition [CVD] processes
44characterised by the method of coating
50using electric discharges
Applicants
  • APPLIED MATERIALS, INC. [US]/[US]
Inventors
  • YANG, Chuanxi
  • YU, Hang
  • KAMATH, Sanjay
  • PADHI, Deenesh
  • KIM, Honggun
  • LEE, Euhngi
  • HUANG, Zubin
  • KEDLAYA, Diwakar N.
  • CHENG, Rui
  • JANAKIRAMAN, Karthik
Agents
  • DOUGHERTY, Chad M.
  • VER STEEG, Steven H.
Priority Data
62/787,66602.01.2019US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) METHODS FOR FORMING FILMS CONTAINING SILICON BORON WITH LOW LEAKAGE CURRENT
(FR) PROCÉDÉS DE FORMATION DE FILMS CONTENANT DU BORE DE SILICIUM À FAIBLE COURANT DE FUITE
Abstract
(EN)
Methods for forming the silicon boron nitride layer are provided. The method includes positioning a substrate on a pedestal in a process region within a process chamber, heating a pedestal retaining the substrate, and introducing a first flow of a first process gas and a second flow of a second process gas to the process region. The first flow of the first process gas contains silane, ammonia, helium, nitrogen, argon, and hydrogen. The second flow of the second process gas contains diborane and hydrogen. The method also includes forming a plasma concurrently with the first flow of the first process gas and the second flow of the second process gas to the process region and exposing the substrate to the first process gas, the second process gas, and the plasma to deposit the silicon boron nitride layer on the substrate.
(FR)
L'invention concerne des procédés de formation de la couche de nitrure de bore de silicium. Le procédé consiste à : positionner un substrat sur un socle dans une région de traitement à l'intérieur d'une chambre de traitement, chauffer un socle retenant le substrat, et introduire un premier flux d'un premier gaz de traitement et un second flux d'un second gaz de traitement dans la région de traitement. Le premier flux du premier gaz de traitement contient du silane, de l'ammoniac, de l'hélium, de l'azote, de l'argon et de l'hydrogène. Le second flux du second gaz de traitement contient du diborane et de l'hydrogène. Le procédé consiste également à former un plasma simultanément avec le premier flux du premier gaz de traitement et le second flux du second gaz de traitement vers la région de traitement et à exposer le substrat au premier gaz de traitement, le second gaz de traitement, et le plasma pour déposer la couche de nitrure de bore de silicium sur le substrat.
Also published as
Latest bibliographic data on file with the International Bureau