CA1028069A - Oxidation resistant mask layer and process for producing recessed oxide region in a silicon body - Google Patents

Oxidation resistant mask layer and process for producing recessed oxide region in a silicon body

Info

Publication number
CA1028069A
CA1028069A CA218,278A CA218278A CA1028069A CA 1028069 A CA1028069 A CA 1028069A CA 218278 A CA218278 A CA 218278A CA 1028069 A CA1028069 A CA 1028069A
Authority
CA
Canada
Prior art keywords
mask layer
oxidation resistant
oxide region
silicon body
resistant mask
Prior art date
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.)
Expired
Application number
CA218,278A
Other languages
English (en)
French (fr)
Other versions
CA218278S (en
Inventor
Herbert S. Lehman
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.)
International Business Machines Corp
Original Assignee
International Business Machines 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 International Business Machines Corp filed Critical International Business Machines Corp
Application granted granted Critical
Publication of CA1028069A publication Critical patent/CA1028069A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
    • H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
    • H01L21/02126—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC
    • H01L21/0214—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material containing Si, O, and at least one of H, N, C, F, or other non-metal elements, e.g. SiOC, SiOC:H or SiONC the material being a silicon oxynitride, e.g. SiON or SiON:H
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02112—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer
    • H01L21/02123—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon
    • H01L21/02164—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates characterised by the material of the layer the material containing silicon the material being a silicon oxide, e.g. SiO2
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
    • H01L21/02227—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process
    • H01L21/0223—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate
    • H01L21/02233—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer
    • H01L21/02236—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor
    • H01L21/02238—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a process other than a deposition process formation by oxidation, e.g. oxidation of the substrate of the semiconductor substrate or a semiconductor layer group IV semiconductor silicon in uncombined form, i.e. pure silicon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
    • H01L21/314—Inorganic layers
    • H01L21/318—Inorganic layers composed of nitrides
    • H01L21/3185—Inorganic layers composed of nitrides of siliconnitrides
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
    • H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
    • H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
    • H01L21/31—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers
    • H01L21/32—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to form insulating layers thereon, e.g. for masking or by using photolithographic techniques; After treatment of these layers; Selection of materials for these layers using masks
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/70—Manufacture or treatment of devices consisting of a plurality of solid state components formed in or on a common substrate or of parts thereof; Manufacture of integrated circuit devices or of parts thereof
    • H01L21/71—Manufacture of specific parts of devices defined in group H01L21/70
    • H01L21/76—Making of isolation regions between components
    • H01L21/762—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers
    • H01L21/76202—Dielectric regions, e.g. EPIC dielectric isolation, LOCOS; Trench refilling techniques, SOI technology, use of channel stoppers using a local oxidation of silicon, e.g. LOCOS, SWAMI, SILO
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L23/00—Details of semiconductor or other solid state devices
    • H01L23/28—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection
    • H01L23/29—Encapsulations, e.g. encapsulating layers, coatings, e.g. for protection characterised by the material, e.g. carbon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02109—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates
    • H01L21/02205—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition
    • H01L21/02208—Forming insulating materials on a substrate characterised by the type of layer, e.g. type of material, porous/non-porous, pre-cursors, mixtures or laminates the layer being characterised by the precursor material for deposition the precursor containing a compound comprising Si
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
    • H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
    • H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
    • H01L21/02266—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by physical ablation of a target, e.g. sputtering, reactive sputtering, physical vapour deposition or pulsed laser deposition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
    • H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
    • H01L21/02104—Forming layers
    • H01L21/02107—Forming insulating materials on a substrate
    • H01L21/02225—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer
    • H01L21/0226—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process
    • H01L21/02263—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase
    • H01L21/02271—Forming insulating materials on a substrate characterised by the process for the formation of the insulating layer formation by a deposition process deposition from the gas or vapour phase deposition by decomposition or reaction of gaseous or vapour phase compounds, i.e. chemical vapour deposition
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
    • H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
    • H01L2924/0001—Technical content checked by a classifier
    • H01L2924/0002—Not covered by any one of groups H01L24/00, H01L24/00 and H01L2224/00
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/043—Dual dielectric
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/085—Isolated-integrated
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/114—Nitrides of silicon
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S148/00—Metal treatment
    • Y10S148/117—Oxidation, selective
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/26—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension
    • Y10T428/261—In terms of molecular thickness or light wave length

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Condensed Matter Physics & Semiconductors (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Power Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Element Separation (AREA)
  • Local Oxidation Of Silicon (AREA)
  • Bipolar Transistors (AREA)
CA218,278A 1974-03-13 1975-01-17 Oxidation resistant mask layer and process for producing recessed oxide region in a silicon body Expired CA1028069A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US450631A US3874919A (en) 1974-03-13 1974-03-13 Oxidation resistant mask layer and process for producing recessed oxide region in a silicon body

Publications (1)

Publication Number Publication Date
CA1028069A true CA1028069A (en) 1978-03-14

Family

ID=23788879

Family Applications (1)

Application Number Title Priority Date Filing Date
CA218,278A Expired CA1028069A (en) 1974-03-13 1975-01-17 Oxidation resistant mask layer and process for producing recessed oxide region in a silicon body

Country Status (7)

Country Link
US (1) US3874919A (e)
JP (1) JPS5339312B2 (e)
CA (1) CA1028069A (e)
DE (1) DE2509174A1 (e)
FR (1) FR2264393B1 (e)
GB (1) GB1452884A (e)
IT (1) IT1031235B (e)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL7506594A (nl) * 1975-06-04 1976-12-07 Philips Nv Werkwijze voor het vervaardigen van een halfge- leiderinrichting en halfgeleiderinrichting ver- vaardigd met behulp van de werkwijze.
JPS5922381B2 (ja) * 1975-12-03 1984-05-26 株式会社東芝 ハンドウタイソシノ セイゾウホウホウ
DE2557079C2 (de) * 1975-12-18 1984-05-24 Ibm Deutschland Gmbh, 7000 Stuttgart Verfahren zum Herstellen einer Maskierungsschicht
JPS56125859A (en) * 1980-03-06 1981-10-02 Fujitsu Ltd Manufacture of semiconductor device
JPS5762545A (en) * 1980-10-03 1982-04-15 Fujitsu Ltd Manufacture of semiconductor device
JPS5821842A (ja) * 1981-07-30 1983-02-08 インタ−ナシヨナル・ビジネス・マシ−ンズ・コ−ポレ−シヨン 分離領域の形成方法
EP0075875A3 (en) * 1981-09-28 1986-07-02 General Electric Company Method of making integrated circuits comprising dielectric isolation regions
JPS59188128A (ja) * 1983-04-06 1984-10-25 Ise Electronics Corp 窒化シリコン膜の形成方法
US4717631A (en) * 1986-01-16 1988-01-05 Rca Corporation Silicon oxynitride passivated semiconductor body and method of making same
NL8603111A (nl) * 1986-12-08 1988-07-01 Philips Nv Werkwijze voor het vervaardigen van een halfgeleiderinrichting waarbij een siliciumplak aan zijn oppervlak wordt voorzien van veldoxidegebieden.
US5260096A (en) * 1987-06-11 1993-11-09 Air Products And Chemicals, Inc. Structral articles
US5629531A (en) * 1992-06-05 1997-05-13 Cree Research, Inc. Method of obtaining high quality silicon dioxide passivation on silicon carbide and resulting passivated structures
US6022799A (en) * 1995-06-07 2000-02-08 Advanced Micro Devices, Inc. Methods for making a semiconductor device with improved hot carrier lifetime
US5710067A (en) * 1995-06-07 1998-01-20 Advanced Micro Devices, Inc. Silicon oxime film
JP3412037B2 (ja) * 1996-03-12 2003-06-03 株式会社デンソー 微細加工方法
JP3047822B2 (ja) * 1996-08-29 2000-06-05 日本電気株式会社 半導体装置の製造方法
US6090686A (en) * 1997-06-18 2000-07-18 Lucent Technologies, Inc. Locos isolation process using a layered pad nitride and dry field oxidation stack and semiconductor device employing the same
US6825051B2 (en) * 2002-05-17 2004-11-30 Asm America, Inc. Plasma etch resistant coating and process
US6946352B2 (en) * 2003-07-24 2005-09-20 Taiwan Semiconductor Manufacturing Company, Ltd. CMOS image sensor device and method
US6974781B2 (en) * 2003-10-20 2005-12-13 Asm International N.V. Reactor precoating for reduced stress and uniform CVD
TW201017888A (en) * 2008-10-22 2010-05-01 Au Optronics Corp Bottom-gate thin-film transistor and method for fabricating the same

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3765935A (en) * 1971-08-10 1973-10-16 Bell Telephone Labor Inc Radiation resistant coatings for semiconductor devices
JPS5432509B2 (e) * 1972-06-02 1979-10-15

Also Published As

Publication number Publication date
FR2264393B1 (e) 1982-06-04
DE2509174A1 (de) 1975-09-25
JPS50123275A (e) 1975-09-27
US3874919A (en) 1975-04-01
GB1452884A (en) 1976-10-20
FR2264393A1 (e) 1975-10-10
IT1031235B (it) 1979-04-30
JPS5339312B2 (e) 1978-10-20

Similar Documents

Publication Publication Date Title
CA1028069A (en) Oxidation resistant mask layer and process for producing recessed oxide region in a silicon body
EG10633A (en) Process for preparation"a coronary agent in special form and processes for its manufacture"
CA1006315A (en) Process and apparatus for producing oxide refractory material
CA962875A (en) Method of making a mask for a sandblast
GB1538869A (en) D-homo-20-keto-pregnanes and process for their manufacture
IL47770A0 (en) 18-methyl-19-nor-20-keto-pregnanes and process for their manufacture
JPS51115446A (en) Ppbenzoquinone diketals and process for manufacture thereof
JPS51125325A (en) Iminoalkyliminophosphonate and manufacturing process and use therefor
AU7989375A (en) Method of manufacturing a contact body
JPS536297A (en) Manufacturing process for trichlorosilan and silicon tetrachloride
GB1544702A (en) Spiropyrans and processes for producing spiropyrans
AU468041B2 (en) A process for the preparation of antimony oxide-containing oxidation catalysts and catalysts obtained thereby
JPS51136600A (en) Process for preparing gammaaferric oxide*3*
JPS5282691A (en) Manufacture of silver catalysts and method of manufacturing ethylene oxide using said catalysts
AU8760075A (en) 3-fluorobenzodia zepines and processes for their preparation
CH608415A5 (en) Method and device for producing blanks out of flat material and use of the blank
JPS5259095A (en) Process for preparing gammaaferric oxide*3*
JPS5259096A (en) Process for preparing gammaaferric oxide*3*
JPS528012A (en) Manufacture of titanium oxide mold goods
GB2012739B (en) Chromic oxide production
JPS5286070A (en) Method of manufacturing concocted oxide
JPS5210308A (en) Manufacture of titanium oxide mold goods
JPS51119630A (en) Process for forming chrome oxide coating
CA1010157A (en) Oxide isolated integrated circuit structure and method for fabricating
JPS547274A (en) Method of producing semiconductor surface oxide film