Patent US5068759A successfully refreshed from Google Patents.
US5068759A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thin film magnetic head of small size capable of certainly and stably connecting lead wires
Assignee: TDK Corp
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Filing: 1990-03-29
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Granted: 1991-11-26
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Expires: 2010-03-29
Abstract
Abstract A thin film magnetic head comprises a slider having an air bearing surface, a reading/writing element formed in an end surface of the slider and bonding pads formed in a side surface different from the end surface in which the reading/writing element is formed.
Inventors
- 👤 Mikio Matsuzaki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:42
CPC Classifications
G; G11; G11B; G11B5/00; G11B5/127; G11B5/31; G11B5/3103; G11B5/3106
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
62 words
A thin film magnetic head comprising: a slider having an air bearing surface, an end surface, and first and second side surfaces; a reading/writing element formed in said end surface; a first bonding pad for the reading/writing element formed in said first side surface; a first groove formed in said first side surface so as to extend through said first bonding pad.
Claim 2
Dependent Claim
62 words
A thin film magnetic head comprising: a slider having an air bearing surface, an end surface, and first and second side surfaces; a reading/writing element formed in said end surface; a first bonding pad for the reading/writing element formed in said first side surface; a first groove formed in said first side surface so as to extend through said first bonding pad.
Claim 3
Dependent Claim
19 words
The thin film magnetic head according to claim 1, wherein the air bearing surface of the slider is flat.
Claim 4
Dependent Claim
21 words
The thin film magnetic head according to claim 1, further comprising: a second bonding pad formed in said first side surface.
Claim 5
Dependent Claim
21 words
The thin film magnetic head according to claim 1, further comprising: a second bonding pad formed in said second side surface.
Claim 6
Dependent Claim
37 words
The thin film magnetic head according to claim 1, further comprising: a second bonding pad formed in said first side surface; and a second groove formed in said first side surface extending through said second bonding pad.
Claim 7
Dependent Claim
37 words
The thin film magnetic head according to claim 1, further comprising: a second bonding pad formed in said second side surface; and a second groove formed in said second side surface extending through said second bonding pad.
References Cited (Backward Citations)
JPS5798120A
Cited
US4789914A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1994-11-25 | 1995-05-27 | 1995-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-11-25 | 1999-05-27 | 1999-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-11-25 | 2003-05-27 | 2003-11-26 | $7700.00 | Window Closed / Lapsed |