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Patent US5200869A successfully refreshed from Google Patents.
US5200869A
Expired / Lapsed
US
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Flying type thin film magnetic head having a transducing element
Assignee: TDK Corp
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Filing: 1991-02-22
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Granted: 1993-04-06
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Expires: 2011-02-22
Abstract
Abstract A thin film magnetic head has a slider and a thin film magnetic transducing element attached to an end surface of the slider, wherein the thin film magnetic transducing element is provided with bonding pads electrically connected to a conductor coil, and the bonding pads are extended to the surface opposite the surface of the slider which faces a magnetic recording medium.
Inventors
- 👤 Mikio Matsuzaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:05
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/48; G11B5/58; G11B5/60; G11B5/6005; G11B5/127; G11B5/31; G11B5/3103; G11B5/3106
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
103 words
A thin film magnetic head comprising: a slider having a first surface which faces a magnetic recording medium, a second surface opposite to said first surface and an end surface; and a thin film magnetic transducing element attached to the end surface of the slider, said thin film magnetic transducing element being provided with a bonding pad electrically connected to a conductor coil, said bonding pad having a first surface which is adjacent to the end surface of the slider and a connecting surface which is co-planar with the second surface of the slider and extends from the second surface of the slider.
Claim 2
Dependent Claim
103 words
A thin film magnetic head comprising: a slider having a first surface which faces a magnetic recording medium, a second surface opposite to said first surface and an end surface; and a thin film magnetic transducing element attached to the end surface of the slider, said thin film magnetic transducing element being provided with a bonding pad electrically connected to a conductor coil, said bonding pad having a first surface which is adjacent to the end surface of the slider and a connecting surface which is co-planar with the second surface of the slider and extends from the second surface of the slider.
Claim 3
Dependent Claim
35 words
The thin film magnetic head according to claim 1, wherein at least one groove is formed in the second surface of the slider which is opposite to the first surface facing the magnetic recording medium.
Claim 4
Dependent Claim
41 words
The thin film magnetic head according to claim 1, wherein at least one groove is formed in the second surface of the slider, in the direction of air flow, which is opposite to the first surface facing the magnetic recording medium.
Claim 5
Dependent Claim
24 words
The thin film magnetic head according to claim 1, wherein said first surface of the slider which faces the magnetic recording medium is flat.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-04-05 | 1996-10-05 | 1997-04-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-04-05 | 2000-10-05 | 2001-04-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-04-05 | 2004-10-05 | 2005-04-06 | $7700.00 | Window Closed / Lapsed |