James E. Opfer

Person

Palo Alto, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method for sputter depositing thin films
- Patent number 4,834,855
- Issue date May 30, 1989
- Hewlett-Packard Company
- Darrel R. Bloomquist
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Planetary substrate carrier method and apparatus
- Patent number 4,790,921
- Issue date Dec 13, 1988
- Hewlett-Packard Company
- Darrel R. Bloomquist
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
System and method for depositing plural thin film layers on a subst...
- Patent number 4,663,009
- Issue date May 5, 1987
- Hewlett-Packard Company
- Darrel R. Bloomquist
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film magnetic recording film
- Patent number 4,631,202
- Issue date Dec 23, 1986
- Hewlett-Packard Company
- James E. Opfer
- G11 - INFORMATION STORAGE
Information Patent Grant
Target for sputter depositing thin films
- Patent number 4,626,336
- Issue date Dec 2, 1986
- Hewlett-Packard Company
- Darrel R. Bloomquist
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Thin film magnetic recording media
- Patent number 4,610,911
- Issue date Sep 9, 1986
- Hewlett-Packard Company
- James E. Opfer
- G11 - INFORMATION STORAGE
Information Patent Grant
Superconductive magnetic shield and method of making same
- Patent number 4,221,834
- Issue date Sep 9, 1980
- Develco, Inc.
- James E. Opfer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Apparatus for measuring externally of the human body magnetic susce...
- Patent number 4,079,730
- Issue date Mar 21, 1978
- The Board of Trustees of the Leland Stanford Junior University
- John P. Wikswo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Method for measuring externally of the human body magnetic suscepti...
- Patent number 3,980,076
- Issue date Sep 14, 1976
- The Board of Trustees of Leland Stanford Junior University
- John P. Wikswo
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE

James E. Opfer

Person

Patents Grantslast 30 patents

Method for sputter depositing thin films

Planetary substrate carrier method and apparatus

System and method for depositing plural thin film layers on a subst...

Thin film magnetic recording film

Target for sputter depositing thin films

Thin film magnetic recording media

Superconductive magnetic shield and method of making same

Apparatus for measuring externally of the human body magnetic susce...

Method for measuring externally of the human body magnetic suscepti...