Robert Douglas Hempstead

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Yorktown Heights, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Thin film head having negative magnetostriction
- Patent number 4,242,710
- Issue date Dec 30, 1980
- International Business Machines Corporation
- Robert D. Hempstead
- G11 - INFORMATION STORAGE
Information Patent Grant
Corrosion resistant thin film head assembly and method for making
- Patent number 4,130,847
- Issue date Dec 19, 1978
- International Business Machines Corporation
- Nephi L. Head
- G11 - INFORMATION STORAGE
Information Patent Grant
Antiferromagnetic-ferromagnetic exchange bias films
- Patent number 4,103,315
- Issue date Jul 25, 1978
- International Business Machines Corporation
- Robert Douglas Hempstead
- B82 - NANO-TECHNOLOGY
Information Patent Grant
Low coercivity iron-silicon material, shields, and process
- Patent number 4,049,522
- Issue date Sep 20, 1977
- International Business Machines Corporation
- Norman George Ainslie
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Magnetoresistive sandwich including sensor electrically parallel wi...
- Patent number 4,024,489
- Issue date May 17, 1977
- International Business Machines Corporation
- Christopher Henry Bajorek
- G11 - INFORMATION STORAGE