IT1237803B - Procedimento per la preparazione di polveri fini di alluminio nitruro - Google Patents

Procedimento per la preparazione di polveri fini di alluminio nitruro

Info

Publication number
IT1237803B
IT1237803B IT02279389A IT2279389A IT1237803B IT 1237803 B IT1237803 B IT 1237803B IT 02279389 A IT02279389 A IT 02279389A IT 2279389 A IT2279389 A IT 2279389A IT 1237803 B IT1237803 B IT 1237803B
Authority
IT
Italy
Prior art keywords
preparation
aluminum powders
nitride aluminum
fine nitride
fine
Prior art date
Application number
IT02279389A
Other languages
English (en)
Other versions
IT8922793A0 (it
Inventor
Luigi Contursi
Original Assignee
Temav Spa
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 Temav Spa filed Critical Temav Spa
Priority to IT02279389A priority Critical patent/IT1237803B/it
Publication of IT8922793A0 publication Critical patent/IT8922793A0/it
Priority to DE9090203420T priority patent/DE69002096D1/de
Priority to EP90203420A priority patent/EP0434165B1/en
Priority to US07/629,997 priority patent/US5151260A/en
Application granted granted Critical
Publication of IT1237803B publication Critical patent/IT1237803B/it

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B21/00—Nitrogen; Compounds thereof
    • C01B21/06—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron
    • C01B21/072—Binary compounds of nitrogen with metals, with silicon, or with boron, or with carbon, i.e. nitrides; Compounds of nitrogen with more than one metal, silicon or boron with aluminium
    • C01B21/0726—Preparation by carboreductive nitridation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Ceramic Products (AREA)
IT02279389A 1989-12-21 1989-12-21 Procedimento per la preparazione di polveri fini di alluminio nitruro IT1237803B (it)

Priority Applications (4)

Application Number Priority Date Filing Date Title
IT02279389A IT1237803B (it) 1989-12-21 1989-12-21 Procedimento per la preparazione di polveri fini di alluminio nitruro
DE9090203420T DE69002096D1 (de) 1989-12-21 1990-12-18 Verfahren zur herstellung von feinen pulvern aus aluminiumnitrid.
EP90203420A EP0434165B1 (en) 1989-12-21 1990-12-18 Process for preparing fine powders of aluminiumnitride
US07/629,997 US5151260A (en) 1989-12-21 1990-12-19 Process for preparing fine powders of aluminum nitride

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02279389A IT1237803B (it) 1989-12-21 1989-12-21 Procedimento per la preparazione di polveri fini di alluminio nitruro

Publications (2)

Publication Number Publication Date
IT8922793A0 IT8922793A0 (it) 1989-12-21
IT1237803B true IT1237803B (it) 1993-06-17

Family

ID=11200502

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02279389A IT1237803B (it) 1989-12-21 1989-12-21 Procedimento per la preparazione di polveri fini di alluminio nitruro

Country Status (4)

Country Link
US (1) US5151260A (it)
EP (1) EP0434165B1 (it)
DE (1) DE69002096D1 (it)
IT (1) IT1237803B (it)

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JPH04124004A (ja) * 1990-09-13 1992-04-24 Tokuyama Soda Co Ltd 窒化アルミニウム粉末の製造方法
US5312571A (en) * 1993-01-07 1994-05-17 Norton Company Shaped bodies and the production thereof
US9769354B2 (en) 2005-03-24 2017-09-19 Kofax, Inc. Systems and methods of processing scanned data
US8749839B2 (en) 2005-03-24 2014-06-10 Kofax, Inc. Systems and methods of processing scanned data
US9576272B2 (en) 2009-02-10 2017-02-21 Kofax, Inc. Systems, methods and computer program products for determining document validity
US9767354B2 (en) 2009-02-10 2017-09-19 Kofax, Inc. Global geographic information retrieval, validation, and normalization
TWI492166B (zh) 2012-01-12 2015-07-11 Kofax Inc 行動影像擷取和處理的系統和方法
US10146795B2 (en) 2012-01-12 2018-12-04 Kofax, Inc. Systems and methods for mobile image capture and processing
US9355312B2 (en) 2013-03-13 2016-05-31 Kofax, Inc. Systems and methods for classifying objects in digital images captured using mobile devices
EP2973226A4 (en) 2013-03-13 2016-06-29 Kofax Inc CLASSIFICATION OF OBJECTS ON DIGITAL IMAGES RECORDED BY MOBILE DEVICES
US9208536B2 (en) 2013-09-27 2015-12-08 Kofax, Inc. Systems and methods for three dimensional geometric reconstruction of captured image data
US20140316841A1 (en) 2013-04-23 2014-10-23 Kofax, Inc. Location-based workflows and services
JP2016518790A (ja) 2013-05-03 2016-06-23 コファックス， インコーポレイテッド モバイル装置を用いて取込まれたビデオにおけるオブジェクトを検出および分類するためのシステムおよび方法
US9386235B2 (en) 2013-11-15 2016-07-05 Kofax, Inc. Systems and methods for generating composite images of long documents using mobile video data
US9760788B2 (en) 2014-10-30 2017-09-12 Kofax, Inc. Mobile document detection and orientation based on reference object characteristics
JP2016155727A (ja) * 2015-02-25 2016-09-01 丸祥電器株式会社 多面体形状窒化アルミニウム粉末およびその製造方法
US10242285B2 (en) 2015-07-20 2019-03-26 Kofax, Inc. Iterative recognition-guided thresholding and data extraction
US9779296B1 (en) 2016-04-01 2017-10-03 Kofax, Inc. Content-based detection and three dimensional geometric reconstruction of objects in image and video data
WO2018134259A1 (en) 2017-01-18 2018-07-26 Evonik Degussa Gmbh Process for producing aluminum nitride and a special aluminum nitride itself
US11062176B2 (en) 2017-11-30 2021-07-13 Kofax, Inc. Object detection and image cropping using a multi-detector approach
CN115108537B (zh) * 2022-07-10 2023-09-19 湖南大学 一种氮化铝粉体及其制备方法和包括氮化铝粉体的覆铜板

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2137638A (en) * 1937-08-13 1938-11-22 George A Breon & Company Inc Aluminum hydroxide hydrogel and process for making it
US3114720A (en) * 1960-06-06 1963-12-17 Universal Oil Prod Co Manufacture of spherical alumina
JPS54121442A (en) * 1978-03-13 1979-09-20 Power Reactor & Nuclear Fuel Dev Corp Microwave heating device for radioactive material
JPS5515946A (en) * 1978-07-19 1980-02-04 Toray Ind Inc Production of metal nitride fine powder
JPS615A (ja) * 1984-06-11 1986-01-06 Tokuyama Soda Co Ltd 印象材
US4788167A (en) * 1986-11-20 1988-11-29 Minnesota Mining And Manufacturing Company Aluminum nitride/aluminum oxynitride/group IVB metal nitride abrasive particles derived from a sol-gel process
KR910001300B1 (ko) * 1986-11-28 1991-03-02 가와사키세이데쓰 가부시키가이샤 질화 알루미늄 분말의 제조방법
US4784686A (en) * 1987-04-24 1988-11-15 The United States Of America As Represented By The United States Department Of Energy Synthesis of ultrafine powders by microwave heating
JPS6456309A (en) * 1987-08-26 1989-03-03 Matsushita Electric Works Ltd Production of aluminum nitride powder
US4929433A (en) * 1987-10-22 1990-05-29 Alfred University Method for the preparation of sinterable nitrides
US4985225A (en) * 1987-10-26 1991-01-15 Matsushita Electric Works, Ltd. Process for producing aluminum nitride powders

Also Published As

Publication number Publication date
DE69002096D1 (de) 1993-08-05
IT8922793A0 (it) 1989-12-21
EP0434165A1 (en) 1991-06-26
EP0434165B1 (en) 1993-06-30
US5151260A (en) 1992-09-29

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19961217