The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 27, 2007
Filed:
Oct. 20, 2003
Masaaki Kusumi, Kanagawa, JP;
Mitsuru Ohno, Kanagawa, JP;
Michio Okano, Kanagawa, JP;
Hideki Nakamori, Saitama, JP;
Touru Sumiya, Saitama, JP;
Akitaka Tsunogae, Shizuoka, JP;
Tomoyuki Nakada, Shizuoka, JP;
Teruyuki Miura, Shizuoka, JP;
Yoshihiko Ohkawara, Shizuoka, JP;
Masaaki Kusumi, Kanagawa, JP;
Mitsuru Ohno, Kanagawa, JP;
Michio Okano, Kanagawa, JP;
Hideki Nakamori, Saitama, JP;
Touru Sumiya, Saitama, JP;
Akitaka Tsunogae, Shizuoka, JP;
Tomoyuki Nakada, Shizuoka, JP;
Teruyuki Miura, Shizuoka, JP;
Yoshihiko Ohkawara, Shizuoka, JP;
Sony Manufacturing Systems Corporation, Tokyo, JP;
Abstract
In a magnetic sensor () including a substrate () having a magnetism-sensitive element () formed thereon, a hard membrane () is formed on the outermost surface, an organic film () to relieve the stress caused by the hard membrane () is formed under the hard membrane (), and an inorganic film () to relieve the stress caused by the organic film () is formed between the organic film () and magnetism-sensitive element (). Also, an intermediate film formed from an element having a large force of bonding to carbon may be formed between the organic film () and hard membrane (). Thus, the magnetic sensor (MR sensor, for example) can be protected against an external shock.