John Niemel

US Patent:

6495002, Dec 17, 2002

Filed:

Apr 6, 2001

Appl. No.:

09/826861

Inventors:

C. Christopher Klepper - Radford VA
John Niemel - Alexandria VA
Robert C. Hazelton - Radford VA
Edward J. Yadlowsky - Radford VA
Michael D. Keitz - Blacksburg VA

Assignee:

Hy-Tech Research Corporation - Radford VA

International Classification:

C23C 1434

US Classification:

20419238, 20429841

Abstract:

A method and apparatus for depositing a ceramic film on a substrate by vacuum arc deposition, includes a vacuum chamber, a cathode comprised of an electrically conductive ceramic material to be deposited on a substrate, an electrically insulating member about the cathode, a heater for preheating the cathode to a predetermined temperature, an anode positioned downstream of the cathode and including an opening to allow ions of the ceramic material from the cathode to flow therethrough, a substrate support positioned downstream of the anode, and a plurality of magnetic members disposed around the vacuum chamber for guiding the ions from the cathode in a predetermined direction.

US Patent:

6562418, May 13, 2003

Filed:

May 14, 2001

Appl. No.:

09/855160

Inventors:

Marvin S. Morrow - Kingston TN
Donald E. Schechter - Ten Mile TN
Chin-Chi Tsai - Oak Ridge TN
C. Christopher Klepper - Radford VA
John Niemel - Alexandria VA
Robert C. Hazelton - Radford VA

Assignee:

BWXT Y-12 LLC - Oak Ridge TN

International Classification:

B22F 312

US Classification:

427580, 427569, 419 37, 419 38

Abstract:

Boron powders are sintered and densified utilizing a microwave environment for so doing.

US Patent:

20030059333, Mar 27, 2003

Filed:

Nov 7, 2002

Appl. No.:

10/289644

Inventors:

Marvin Morrow - Kingston TN, US
Donald Schechter - Ten Mile TN, US
Chin-Chi Tsai - Oak Ridge TN, US
C. Klepper - Radford VA, US
John Niemel - Alexandria VA, US
Robert Hazelton - Radford VA, US

International Classification:

C22C029/14
B22F003/12

US Classification:

419/036000

Abstract:

Boron powders are sintered and densified utilizing a microwave environment for so doing.