William T Osborne

US Patent:

51068281, Apr 21, 1992

Filed:

Jul 20, 1987

Appl. No.:

7/075491

Inventors:

Rameshwar N. Bhargava - Ossining NY
William N. Osborne - Ringwood NJ
Walter K. Zwicker - Scarborough NY

Assignee:

North American Philips Corporation - New York NY

International Classification:

B05D 512
H01L 3912
C01B 1504
C04B 3505

US Classification:

505 1

Abstract:

Superconducting oxides in the A, B, Cu oxide ternary system, where A is yttrium or a rare earth and B is an alkaline earth, are formed as thin films on a substrate by a sol-gel technique.

US Patent:

55106706, Apr 23, 1996

Filed:

Jul 19, 1994

Appl. No.:

8/277446

Inventors:

William N. Osborne - Ringwood NJ
Petrus J. M. Prinsen - Eindhoven, NL
Edwin A. Montie - Eindhoven, NL

Assignee:

Philips Electronics North American Corporation - New York NY

International Classification:

H01J 2946

US Classification:

313450

Abstract:

A focussing lens for an electron beam device is formed by a helically coiled resistance layer of a fired suspension of a conductive material of a mixture of a lead rathenate, a lead titanate and a ruthenium oxide in a glass formed of silicon dioxide, aluminum oxide and lead oxide.

US Patent:

60482443, Apr 11, 2000

Filed:

Feb 2, 1998

Appl. No.:

9/017095

Inventors:

William N. Osborne - Ringwood NJ
Petrus J. M. Prinsen - Eindhoven, NL
Edwin A. Montie - Eindhoven, NL
Edward C. Cosman - Eindhoven, NL

Assignee:

Philips Electronics N. A. Corporation - New York NY

International Classification:

B05D 512

US Classification:

445 36

Abstract:

A method for providing a resistive focusing lens structure for an electron beam device including forming a suspension of particles of a mixture of, by weight, of about 33-50% of an oxidic conductive material including about 40-60% of a lead ruthenate, about 25-38% of a lead titanate and about 2-15% of a ruthenium oxide, and of about 50-67% of a glass including about 30-40% of silicon dioxide (SiO. sub. 2), about 3-7. 5% alumina (Al. sub. 2 O. sub. 3), and about 53-67% of lead oxide (PbO) in a suspending medium consisting essentially of a non-acidic liquid having a boiling point of less than 150. degree. C. , applying the suspension to an inside surface of a glass member to thereby provide a coating of the particles on the inside surface, firing the coating at a temperature of 700-900. degree. C. and before of after firing the coating, patterning the coating. The present method provides highly reproducible resistive focusing lens structures.