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Computer disk substrate, the process for making same, and the material made thereof

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B32B-003/10
  • B32B-005/02
  • C04B-035/503
출원번호 US-0868217 (1997-06-03)
발명자 / 주소
  • Pyzik Aleksander J.
  • Han Chan
  • Deshmukh Uday V.
  • Nilsen Kevin J.
  • Perettie Donald J.
  • Prunier
  • Jr. Arthur R.
출원인 / 주소
  • The Dow Chemical Company
대리인 / 주소
    Nilsen
인용정보 피인용 횟수 : 10  인용 특허 : 26

초록

A hard drive disk substrate is formed of a multi-phase ceramic-based material having at least two phases with amorphous phases being present in an amount less than about 1 volume percent based on the volume of the ceramic-based material or at least one phase being free metal. A process for producing

대표청구항

[ What is claimed is:] [1.] A hard drive disk substrate comprised of an aluminum-boron-carbon composite, the composite having from about four volume percent to about thirty volume percent of free aluminum metal, the composite having a density greater than ninety eight percent of theoretical density

이 특허에 인용된 특허 (26)

  1. Zedalis Michael S. (Randolph NJ) Gilman Paul S. (Suffern NY), Aluminum based metal matrix composites.
  2. Pyzik Aleksander J. (Midland MI) Nilsson Robert T. (Traverse City MI), B4C/Al cermets and method for making same.
  3. Pyzik Aleksander J. (Midland MI), Boron carbide-aluminum cermets having microstructures tailored by a post-densification heat treatment.
  4. Halverson Danny C. (Manteca CA) Pyzik Aleksander J. (Seattle WA) Aksay Ilhan A. (Seattle WA), Boron-carbide-aluminum and boron-carbide-reactive metal cermets.
  5. Tenhover Michael A. (4 Buttonwood La. East Amherst NY 14051) Ruppel Irving R. (996 Colvin Blvd. Kenmore NY 14217), Ceramic substrates and magnetic data storage components prepared therefrom.
  6. MacPherson John A. (San Diego CA) Johnson Ernest V. (Phillipston MA), Ceramic support arm for movably positioning transducers.
  7. Chiu Raymond C. (Woodbury MN) Smith Robert G. (Vadnais Heights MN) Weaver Billy Lee (Eagan MN), Ceramic wafers and thin film magnetic heads.
  8. Holt Joseph B. (San Jose CA) Dunmead Stephen D. (Davis CA) Halverson Danny C. (Modesto CA) Landingham Richard L. (Livermore CA), Cermet materials prepared by combustion synthesis and metal infiltration.
  9. Bayer Thomas (Boeblingen DEX) Hinkel Holger (Boeblingen DEX) Kleischmann Kurt (Wildberg DEX) Kuenzel Ulrich (Kusterdingen DEX) Schfer Rolf (Gaertringen-Rohrau DEX), Composite magnetic disk with Si and SiC substrate.
  10. Hoover Herbert L. (Big Flats NY) Miller Roger A. (Painted Post NY) Pinckney Linda R. (Corning NY) Wedding Brent M. (Corning NY), Discs for memory storage devices.
  11. Das Sontosh K. (Randolph NJ) Zedalis Michael S. (Randolph NJ) Gilman Paul S. (Suffern NY), Dual processing of aluminum base metal matrix composites.
  12. Halverson Danny C. (Manteca CA) Landingham Richard L. (Livermore CA), Infiltration processing of boron carbide-, boron-, and boride-reactive metal cermets.
  13. Claar Terry D. (Newark DE), Macrocomposite bodies.
  14. Ahlert Richard H. (San Jose CA) Howard James K. (Morgan Hill CA) Ullah Muhammad I. (Morgan Hill CA) Umphress Richard D. (Morgan Hill CA), Magnetic disk with boron carbide overcoat layer.
  15. Carden Robin A. (Costa Mesa CA), Metal matrix compositions and method of manufacture thereof.
  16. Carden Robin A., Metal matrix compositions for substrates used to make magnetic disks for hard disk drives.
  17. Aghajanian Michael K. (Newark DE) Newkirk Marc S. (Newark DE) Kennedy Christopher R. (Newark DE) Kantner Robert C. (Newark DE) Rocazella Michael A. (Oxford PA) Weinstein Jerry G. (Newark DE) White Da, Method for in situ tailoring the component of ceramic articles.
  18. Pyzik Aleksander J. (Midland MI) Ott Jack J. (Hemlock MI) Jankowski Scott J. (Midland MI), Method for making composite articles that include complex internal geometry.
  19. Askay Ilhan A. (Bellevue WA) Milius David L. (Seattle WA) Yasrebi Mehrdad (Clackamas OR) Kim Gyeung H. (Seattle WA) Sarikaya Mehmet (Seattle WA), Method of making ceramic/metal composites with layers of high and low metal content.
  20. Pyzik Aleksander J. (Seattle WA) Aksay Ilhan A. (Seattle WA), Multipurpose boron carbide-aluminum composite and its manufacture via the control of the microstructure.
  21. Nakamura Tsunehiko (Kokubu JPX), Non-magnetic ceramics for recording/reproducing heads and method of producing the same.
  22. Claar Terry D. (Newark DE) Mason Steven M. (Norwood PA) Pochopien Kevin P. (Newark DE) White Danny R. (Elkton MD) Johnson William B. (Newark DE), Process for preparing self-supporting bodies and products produced thereby.
  23. Jatkar Arun D. (Monroe NY) Varall ; Jr. Alfred J. (Middletown NY) Schelleng Robert D. (Suffern NY), Process for producing composite material.
  24. Annacone William R. (52 Rockview Rd. Southport CT 06490) Felis Kenneth P. (150 Gay Bowers Rd. Fairfield CT 06430) Speliotis Dennis E. (22 Ingleside Rd. Lexington MA 02173), Rigid disc substrate comprising a central hard core substrate with a hard, thermally and mechanically matched overlying.
  25. Claar Terry D. (Newark DE) Mason Steven M. (Norwood PA) Pochopien Kevin P. (Newark DE) White Danny R. (Elkton MD) Johnson William B. (Newark DE) Aghajanian Michael K. (Bel Air MD), Self-supporting bodies.
  26. Tenhover Michael A. (East Amherst NY), Ultra-smooth ceramic substrates and magnetic data storage media prepared therefrom.

이 특허를 인용한 특허 (10)

  1. Pyzik, Aleksander J.; Newman, Robert A.; Chartier, Mark A.; Wetzel, Amy M.; Haney, Christopher N., Aluminum boron carbide composite and method to form said composite.
  2. Li, Dong; Marcus, Steven; Haukka, Suvi P.; Li, Wei-Min, Atomic layer deposition of metal carbide films using aluminum hydrocarbon compounds.
  3. Kaga, Youichirou; Imamura, Hisayuki; Watanabe, Junichi, Circuit board and semiconductor module using this, production method for circuit board.
  4. Piltingsrud Douglas Howard ; Starcke Steven Francis, Composite disk substrates.
  5. Sutardja, Sehat, Glassy metal disk.
  6. Boutaghou,Zine Eddine, Heating/cooling based system for obtaining a disc drive servo signal.
  7. Elers, Kai-Erik; Haukka, Suvi P.; Saanila, Ville Antero; Kaipio, Sari Johanna; Soininen, Pekka Juha, Method for depositing nanolaminate thin films on sensitive surfaces.
  8. Pyzik, Aleksander J.; Newman, Robert A., Method of bonding aluminum-boron-carbon composites.
  9. Fox Richard T. ; Pyzik Aleksander J. ; Han Chan ; Nilsson Robert T., Method of controlling infiltration of complex-shaped ceramic-metal composite articles and the products produced thereby.
  10. Haukka, Suvi; Givens, Michael; Shero, Eric; Winkler, Jerry; Räisänen, Petri; Asikainen, Timo; Zhu, Chiyu; Anttila, Jaakko, Titanium aluminum and tantalum aluminum thin films.
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