Method and device with durable contact on silicon carbide

Semiconductor device manufacturing: process – Forming schottky junction – Combined with formation of ohmic contact to semiconductor...

Reexamination Certificate

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C438S570000, C438S572000, C438S581000, C438S582000, C438S931000, C257S077000, C257S471000, C257SE21359, C257SE21368, C257SE21470

Reexamination Certificate

active

07618884

ABSTRACT:
A Schottky barrier silicon carbide device has a Re Schottky metal contact. The Re contact27is thicker than 250 Angstroms and may be between 2000 and 4000 Angstroms. A termination structure is provided by ion milling an annular region around the Schottky contact.

REFERENCES:
patent: 5399883 (1995-03-01), Baliga
patent: 5925895 (1999-07-01), Sriram et al.
patent: 6229193 (2001-05-01), Bandic et al.
patent: 6703276 (2004-03-01), Alok et al.
patent: 7262434 (2007-08-01), Okamura et al.
patent: 2001/0019165 (2001-09-01), Bandic et al.
patent: 0518683 (1992-12-01), None
patent: 61059879 (1986-03-01), None
First Office Action of China Patent Office (CPO) in corresponding Chinese Patent Application No. 200580008778.6, translation of text into English provided, dated Jun. 27, 2008, pp. 1 through 8.
Kennou S et al.: An Interface Study of Vapor-deposited Rhenium with the Two (0001) Polar Faces of Single Crystal 6H-SiC, Diamond and Related Materials, Elsevier Science Publishers, Amsterdam, NL. vol. 6, No. 10, Aug. 1, 1997, pp. 1424-1427, XP004096956 ISSN: 0925-9635 *the whole document*.
Chen J S et al.: “Stability of Rhenium Thin Films on Single Crystal (001) Beta-SiC”, Jan. 15, 1994, Journal of Applied Physics, American Institute of Physics. New York, US, pp. 897-901, XP0000425455 ISSN: 0021-8979 *the whole document*.
Shalish I et al.: “Thermal Stability of Re Schottky Contacts to 6H-SiC”, IEEE Electron Device Letters, IEEE Service Center, New York, NY, US, vol. 21, No. 12, Dec. 1, 2000, XP011018880, ISSN: 0741-3106 *the whole document*.

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